/usr/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/eca-programs/Problem101_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 10:39:01,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 10:39:01,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 10:39:01,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 10:39:01,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 10:39:01,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 10:39:01,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 10:39:01,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 10:39:01,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 10:39:01,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 10:39:01,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 10:39:01,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 10:39:01,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 10:39:01,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 10:39:01,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 10:39:01,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 10:39:01,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 10:39:01,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 10:39:01,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 10:39:01,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 10:39:01,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 10:39:01,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 10:39:01,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 10:39:01,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 10:39:02,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 10:39:02,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 10:39:02,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 10:39:02,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 10:39:02,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 10:39:02,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 10:39:02,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 10:39:02,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 10:39:02,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 10:39:02,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 10:39:02,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 10:39:02,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 10:39:02,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 10:39:02,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 10:39:02,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 10:39:02,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 10:39:02,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 10:39:02,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 10:39:02,034 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 10:39:02,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 10:39:02,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 10:39:02,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 10:39:02,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 10:39:02,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 10:39:02,035 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 10:39:02,036 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 10:39:02,036 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 10:39:02,036 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 10:39:02,036 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 10:39:02,036 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 10:39:02,036 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 10:39:02,037 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 10:39:02,037 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 10:39:02,037 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 10:39:02,037 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 10:39:02,037 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 10:39:02,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 10:39:02,037 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 10:39:02,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 10:39:02,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 10:39:02,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 10:39:02,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 10:39:02,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 10:39:02,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 10:39:02,038 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 10:39:02,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 10:39:02,038 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 10:39:02,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 10:39:02,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 10:39:02,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 10:39:02,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:39:02,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 10:39:02,039 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 10:39:02,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 10:39:02,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 10:39:02,039 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 10:39:02,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 10:39:02,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 10:39:02,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 10:39:02,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 10:39:02,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 10:39:02,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 10:39:02,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 10:39:02,229 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 10:39:02,230 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 10:39:02,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label05.c [2023-04-01 10:39:03,253 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 10:39:04,479 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 10:39:04,480 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label05.c [2023-04-01 10:39:04,575 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477da514d/2f8b6d8f8f1343598761cb08ef8aaed6/FLAG965f1758f [2023-04-01 10:39:04,584 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477da514d/2f8b6d8f8f1343598761cb08ef8aaed6 [2023-04-01 10:39:04,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 10:39:04,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 10:39:04,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 10:39:04,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 10:39:04,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 10:39:04,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:39:04" (1/1) ... [2023-04-01 10:39:04,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8cba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:04, skipping insertion in model container [2023-04-01 10:39:04,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:39:04" (1/1) ... [2023-04-01 10:39:04,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 10:39:05,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 10:39:11,771 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label05.c[2768844,2768857] [2023-04-01 10:39:11,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:39:11,824 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 10:39:15,697 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label05.c[2768844,2768857] [2023-04-01 10:39:15,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:39:16,261 INFO L208 MainTranslator]: Completed translation [2023-04-01 10:39:16,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16 WrapperNode [2023-04-01 10:39:16,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 10:39:16,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 10:39:16,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 10:39:16,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 10:39:16,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16" (1/1) ... [2023-04-01 10:39:16,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16" (1/1) ... [2023-04-01 10:39:16,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16" (1/1) ... [2023-04-01 10:39:16,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16" (1/1) ... [2023-04-01 10:39:17,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16" (1/1) ... [2023-04-01 10:39:18,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16" (1/1) ... [2023-04-01 10:39:18,282 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16" (1/1) ... [2023-04-01 10:39:18,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16" (1/1) ... [2023-04-01 10:39:18,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 10:39:18,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 10:39:18,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 10:39:18,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 10:39:18,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16" (1/1) ... [2023-04-01 10:39:18,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:39:18,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:39:18,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 10:39:18,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 10:39:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 10:39:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 10:39:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 10:39:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 10:39:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 10:39:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 10:39:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 10:39:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 10:39:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 10:39:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 10:39:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 10:39:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 10:39:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 10:39:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 10:39:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 10:39:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 10:39:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 10:39:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 10:39:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 10:39:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 10:39:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 10:39:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 10:39:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 10:39:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 10:39:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 10:39:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 10:39:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 10:39:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 10:39:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 10:39:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 10:39:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 10:39:18,997 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 10:39:18,999 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 10:39:47,057 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 10:39:48,281 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 10:39:48,281 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 10:39:48,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:39:48 BoogieIcfgContainer [2023-04-01 10:39:48,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 10:39:48,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 10:39:48,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 10:39:48,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 10:39:48,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:39:04" (1/3) ... [2023-04-01 10:39:48,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104f0b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:39:48, skipping insertion in model container [2023-04-01 10:39:48,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:39:16" (2/3) ... [2023-04-01 10:39:48,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104f0b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:39:48, skipping insertion in model container [2023-04-01 10:39:48,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:39:48" (3/3) ... [2023-04-01 10:39:48,298 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label05.c [2023-04-01 10:39:48,310 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 10:39:48,310 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 10:39:48,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 10:39:48,449 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5623f4e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 10:39:48,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 10:39:48,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 10325 states, 10227 states have (on average 1.9860174049085753) internal successors, (20311), 10228 states have internal predecessors, (20311), 48 states have call successors, (48), 48 states have call predecessors, (48), 48 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-01 10:39:49,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 10:39:49,108 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:39:49,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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Initialized classic predicate unifier [2023-04-01 10:39:49,120 INFO L85 PathProgramCache]: Analyzing trace with hash -20161950, now seen corresponding path program 1 times [2023-04-01 10:39:49,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:39:49,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106755951] [2023-04-01 10:39:49,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:39:49,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:39:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat