/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 15:35:54,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 15:35:54,597 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 15:35:54,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 15:35:54,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 15:35:54,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 15:35:54,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 15:35:54,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 15:35:54,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 15:35:54,613 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 15:35:54,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 15:35:54,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 15:35:54,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 15:35:54,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 15:35:54,615 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 15:35:54,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 15:35:54,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 15:35:54,616 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 15:35:54,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 15:35:54,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 15:35:54,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 15:35:54,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 15:35:54,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 15:35:54,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 15:35:54,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 15:35:54,618 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 15:35:54,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 15:35:54,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 15:35:54,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 15:35:54,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 15:35:54,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 15:35:54,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 15:35:54,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 15:35:54,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 15:35:54,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 15:35:54,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 15:35:54,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 15:35:54,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 15:35:54,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 15:35:54,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 15:35:54,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 15:35:54,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 15:35:54,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 15:35:54,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 15:35:54,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 15:35:54,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 15:35:54,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 15:35:54,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 15:35:54,798 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 15:35:54,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i [2023-12-19 15:35:55,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 15:35:56,030 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 15:35:56,031 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i [2023-12-19 15:35:56,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868a54ce7/7b40457752684989ade665368983b403/FLAG76136d408 [2023-12-19 15:35:56,407 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/868a54ce7/7b40457752684989ade665368983b403 [2023-12-19 15:35:56,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 15:35:56,410 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 15:35:56,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 15:35:56,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 15:35:56,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 15:35:56,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1184df26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56, skipping insertion in model container [2023-12-19 15:35:56,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 15:35:56,552 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-39.i[916,929] [2023-12-19 15:35:56,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 15:35:56,604 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 15:35:56,620 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-39.i[916,929] [2023-12-19 15:35:56,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 15:35:56,652 INFO L206 MainTranslator]: Completed translation [2023-12-19 15:35:56,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56 WrapperNode [2023-12-19 15:35:56,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 15:35:56,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 15:35:56,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 15:35:56,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 15:35:56,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,703 INFO L138 Inliner]: procedures = 29, calls = 199, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 628 [2023-12-19 15:35:56,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 15:35:56,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 15:35:56,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 15:35:56,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 15:35:56,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,756 INFO L175 MemorySlicer]: Split 160 memory accesses to 13 slices as follows [2, 7, 30, 10, 22, 28, 9, 12, 12, 8, 7, 7, 6]. 19 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1]. [2023-12-19 15:35:56,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 15:35:56,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 15:35:56,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 15:35:56,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 15:35:56,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (1/1) ... [2023-12-19 15:35:56,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 15:35:56,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:35:56,828 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) [2023-12-19 15:35:56,841 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 [2023-12-19 15:35:56,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2023-12-19 15:35:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-19 15:35:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-12-19 15:35:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-12-19 15:35:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-12-19 15:35:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2023-12-19 15:35:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2023-12-19 15:35:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2023-12-19 15:35:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2023-12-19 15:35:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2023-12-19 15:35:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-19 15:35:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-19 15:35:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-19 15:35:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-19 15:35:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-19 15:35:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-19 15:35:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-19 15:35:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-19 15:35:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-19 15:35:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-19 15:35:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-19 15:35:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-19 15:35:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-19 15:35:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-19 15:35:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-19 15:35:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 15:35:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 15:35:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 15:35:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 15:35:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-19 15:35:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-19 15:35:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-19 15:35:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-19 15:35:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-19 15:35:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-19 15:35:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-19 15:35:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-19 15:35:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-19 15:35:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-19 15:35:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-19 15:35:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 15:35:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 15:35:57,032 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 15:35:57,034 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 15:35:57,521 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 15:35:57,559 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 15:35:57,559 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 15:35:57,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:35:57 BoogieIcfgContainer [2023-12-19 15:35:57,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 15:35:57,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 15:35:57,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 15:35:57,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 15:35:57,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:35:56" (1/3) ... [2023-12-19 15:35:57,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4156fc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:35:57, skipping insertion in model container [2023-12-19 15:35:57,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:35:56" (2/3) ... [2023-12-19 15:35:57,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4156fc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:35:57, skipping insertion in model container [2023-12-19 15:35:57,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:35:57" (3/3) ... [2023-12-19 15:35:57,567 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-39.i [2023-12-19 15:35:57,580 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 15:35:57,581 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 15:35:57,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 15:35:57,625 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;@345d2d1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 15:35:57,625 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 15:35:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 92 states have (on average 1.4782608695652173) internal successors, (136), 93 states have internal predecessors, (136), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-19 15:35:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-19 15:35:57,639 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:35:57,639 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:35:57,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:35:57,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:35:57,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2125234752, now seen corresponding path program 1 times [2023-12-19 15:35:57,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:35:57,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461132434] [2023-12-19 15:35:57,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:35:57,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:35:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 15:35:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 15:35:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 15:35:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 15:35:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 15:35:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 15:35:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:57,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 15:35:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 15:35:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 15:35:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 15:35:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:58,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-19 15:35:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:58,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-19 15:35:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:58,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-19 15:35:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-19 15:35:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-19 15:35:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-19 15:35:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:35:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-19 15:35:58,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:35:58,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461132434] [2023-12-19 15:35:58,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461132434] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:35:58,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:35:58,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 15:35:58,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753196189] [2023-12-19 15:35:58,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:35:58,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 15:35:58,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:35:58,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 15:35:58,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 15:35:58,127 INFO L87 Difference]: Start difference. First operand has 111 states, 92 states have (on average 1.4782608695652173) internal successors, (136), 93 states have internal predecessors, (136), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 15:35:58,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:35:58,194 INFO L93 Difference]: Finished difference Result 219 states and 350 transitions. [2023-12-19 15:35:58,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 15:35:58,197 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 123 [2023-12-19 15:35:58,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:35:58,205 INFO L225 Difference]: With dead ends: 219 [2023-12-19 15:35:58,205 INFO L226 Difference]: Without dead ends: 109 [2023-12-19 15:35:58,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 15:35:58,212 INFO L413 NwaCegarLoop]: 159 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, 159 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 [2023-12-19 15:35:58,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:35:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-12-19 15:35:58,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-12-19 15:35:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 91 states have internal predecessors, (131), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-19 15:35:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 163 transitions. [2023-12-19 15:35:58,263 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 163 transitions. Word has length 123 [2023-12-19 15:35:58,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:35:58,263 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 163 transitions. [2023-12-19 15:35:58,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-19 15:35:58,264 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 163 transitions. [2023-12-19 15:35:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-19 15:35:58,269 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:35:58,269 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:35:58,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 15:35:58,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:35:58,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:35:58,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1427760892, now seen corresponding path program 1 times [2023-12-19 15:35:58,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:35:58,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050715637] [2023-12-19 15:35:58,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:35:58,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:35:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat