/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 OctagonDomain -i ../sv-benchmarks/c/eca-programs/Problem101_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 04:35:57,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 04:35:57,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 04:35:57,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 04:35:57,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 04:35:57,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 04:35:57,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 04:35:57,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 04:35:57,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 04:35:57,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 04:35:57,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 04:35:57,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 04:35:57,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 04:35:57,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 04:35:57,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 04:35:57,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 04:35:57,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 04:35:57,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 04:35:57,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 04:35:57,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 04:35:57,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 04:35:57,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 04:35:57,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 04:35:57,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 04:35:57,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 04:35:57,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 04:35:57,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 04:35:57,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 04:35:57,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 04:35:57,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 04:35:57,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 04:35:57,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 04:35:57,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 04:35:57,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 04:35:57,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 04:35:57,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 04:35:57,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 04:35:57,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 04:35:57,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 04:35:57,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 04:35:57,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 04:35:57,192 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 04:35:57,206 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 04:35:57,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 04:35:57,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 04:35:57,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 04:35:57,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 04:35:57,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 04:35:57,208 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 04:35:57,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 04:35:57,208 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 04:35:57,208 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 04:35:57,209 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 04:35:57,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 04:35:57,209 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 04:35:57,209 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 04:35:57,209 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 04:35:57,210 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 04:35:57,210 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 04:35:57,210 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 04:35:57,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 04:35:57,211 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 04:35:57,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 04:35:57,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 04:35:57,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 04:35:57,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 04:35:57,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 04:35:57,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 04:35:57,212 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 04:35:57,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 04:35:57,212 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 04:35:57,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 04:35:57,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 04:35:57,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 04:35:57,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 04:35:57,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 04:35:57,213 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 04:35:57,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 04:35:57,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 04:35:57,214 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 04:35:57,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 04:35:57,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 04:35:57,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 04:35:57,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 04:35:57,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 04:35:57,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 04:35:57,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 04:35:57,439 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 04:35:57,439 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 04:35:57,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label13.c [2023-04-01 04:35:58,367 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 04:35:59,577 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 04:35:59,578 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label13.c [2023-04-01 04:35:59,679 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5893ccb72/2ca6ad907bb04e82bf6d3e5ef58c06e7/FLAG13645e2e7 [2023-04-01 04:35:59,954 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5893ccb72/2ca6ad907bb04e82bf6d3e5ef58c06e7 [2023-04-01 04:35:59,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 04:35:59,957 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 04:35:59,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 04:35:59,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 04:35:59,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 04:35:59,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 04:35:59" (1/1) ... [2023-04-01 04:35:59,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626b89c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:35:59, skipping insertion in model container [2023-04-01 04:35:59,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 04:35:59" (1/1) ... [2023-04-01 04:35:59,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 04:36:00,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 04:36:07,844 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_label13.c[2767821,2767834] [2023-04-01 04:36:07,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 04:36:07,904 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 04:36:11,874 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_label13.c[2767821,2767834] [2023-04-01 04:36:11,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 04:36:12,410 INFO L208 MainTranslator]: Completed translation [2023-04-01 04:36:12,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12 WrapperNode [2023-04-01 04:36:12,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 04:36:12,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 04:36:12,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 04:36:12,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 04:36:12,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12" (1/1) ... [2023-04-01 04:36:12,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12" (1/1) ... [2023-04-01 04:36:13,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12" (1/1) ... [2023-04-01 04:36:13,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12" (1/1) ... [2023-04-01 04:36:14,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12" (1/1) ... [2023-04-01 04:36:14,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12" (1/1) ... [2023-04-01 04:36:15,046 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12" (1/1) ... [2023-04-01 04:36:15,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12" (1/1) ... [2023-04-01 04:36:15,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 04:36:15,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 04:36:15,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 04:36:15,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 04:36:15,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12" (1/1) ... [2023-04-01 04:36:15,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 04:36:15,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 04:36:15,624 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 04:36:15,625 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 04:36:15,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 04:36:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 04:36:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 04:36:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 04:36:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 04:36:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 04:36:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 04:36:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 04:36:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 04:36:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 04:36:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 04:36:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 04:36:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 04:36:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 04:36:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 04:36:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 04:36:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 04:36:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 04:36:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 04:36:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 04:36:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 04:36:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 04:36:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 04:36:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 04:36:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 04:36:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 04:36:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 04:36:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 04:36:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 04:36:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 04:36:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 04:36:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 04:36:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 04:36:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 04:36:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 04:36:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 04:36:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 04:36:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 04:36:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 04:36:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 04:36:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 04:36:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 04:36:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 04:36:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 04:36:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 04:36:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 04:36:15,785 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 04:36:15,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 04:36:46,109 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 04:36:47,181 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 04:36:47,182 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 04:36:47,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 04:36:47 BoogieIcfgContainer [2023-04-01 04:36:47,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 04:36:47,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 04:36:47,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 04:36:47,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 04:36:47,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 04:35:59" (1/3) ... [2023-04-01 04:36:47,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421b52c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 04:36:47, skipping insertion in model container [2023-04-01 04:36:47,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 04:36:12" (2/3) ... [2023-04-01 04:36:47,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421b52c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 04:36:47, skipping insertion in model container [2023-04-01 04:36:47,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 04:36:47" (3/3) ... [2023-04-01 04:36:47,207 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label13.c [2023-04-01 04:36:47,220 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 04:36:47,220 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 04:36:47,365 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 04:36:47,370 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;@5c74be07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 04:36:47,370 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 04:36:47,398 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 04:36:48,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 04:36:48,009 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 04:36:48,014 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 04:36:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1298907904, now seen corresponding path program 1 times [2023-04-01 04:36:48,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 04:36:48,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749469990] [2023-04-01 04:36:48,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 04:36:48,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 04:36:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat