/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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 20:49:32,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 20:49:32,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 20:49:32,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 20:49:32,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 20:49:32,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 20:49:32,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 20:49:32,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 20:49:32,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 20:49:32,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 20:49:32,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 20:49:32,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 20:49:32,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 20:49:32,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 20:49:32,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 20:49:32,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 20:49:32,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 20:49:32,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 20:49:32,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 20:49:32,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 20:49:32,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 20:49:32,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 20:49:32,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 20:49:32,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 20:49:32,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 20:49:32,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 20:49:32,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 20:49:32,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 20:49:32,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 20:49:32,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 20:49:32,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 20:49:32,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 20:49:32,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 20:49:32,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 20:49:32,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 20:49:32,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 20:49:32,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 20:49:32,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 20:49:32,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 20:49:32,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 20:49:32,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 20:49:32,340 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 [2023-04-02 20:49:32,358 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 20:49:32,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 20:49:32,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 20:49:32,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 20:49:32,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 20:49:32,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 20:49:32,359 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 20:49:32,360 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 20:49:32,360 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 20:49:32,360 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 20:49:32,360 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 20:49:32,360 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 20:49:32,360 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 20:49:32,360 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 20:49:32,360 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 20:49:32,361 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 20:49:32,361 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 20:49:32,361 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 20:49:32,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 20:49:32,362 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 20:49:32,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 20:49:32,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 20:49:32,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 20:49:32,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 20:49:32,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 20:49:32,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 20:49:32,363 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 20:49:32,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 20:49:32,363 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 20:49:32,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 20:49:32,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 20:49:32,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 20:49:32,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 20:49:32,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 20:49:32,364 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 20:49:32,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 20:49:32,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 20:49:32,364 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 20:49:32,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 20:49:32,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 20:49:32,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 20:49:32,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 20:49:32,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 20:49:32,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 20:49:32,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 20:49:32,600 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 20:49:32,600 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 20:49:32,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label11.c [2023-04-02 20:49:33,801 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 20:49:35,128 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 20:49:35,129 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label11.c [2023-04-02 20:49:35,242 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f52a1a286/2b735c0db1034aab907a3ac2e7a06b86/FLAG6906e7b56 [2023-04-02 20:49:35,252 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f52a1a286/2b735c0db1034aab907a3ac2e7a06b86 [2023-04-02 20:49:35,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 20:49:35,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 20:49:35,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 20:49:35,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 20:49:35,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 20:49:35,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:49:35" (1/1) ... [2023-04-02 20:49:35,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3440913e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:35, skipping insertion in model container [2023-04-02 20:49:35,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:49:35" (1/1) ... [2023-04-02 20:49:35,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 20:49:35,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 20:49:43,206 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_label11.c[2770036,2770049] [2023-04-02 20:49:43,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 20:49:43,271 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 20:49:48,056 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_label11.c[2770036,2770049] [2023-04-02 20:49:48,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 20:49:48,682 INFO L208 MainTranslator]: Completed translation [2023-04-02 20:49:48,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48 WrapperNode [2023-04-02 20:49:48,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 20:49:48,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 20:49:48,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 20:49:48,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 20:49:48,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48" (1/1) ... [2023-04-02 20:49:48,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48" (1/1) ... [2023-04-02 20:49:49,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48" (1/1) ... [2023-04-02 20:49:49,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48" (1/1) ... [2023-04-02 20:49:50,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48" (1/1) ... [2023-04-02 20:49:51,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48" (1/1) ... [2023-04-02 20:49:51,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48" (1/1) ... [2023-04-02 20:49:51,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48" (1/1) ... [2023-04-02 20:49:52,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 20:49:52,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 20:49:52,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 20:49:52,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 20:49:52,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48" (1/1) ... [2023-04-02 20:49:52,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 20:49:52,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 20:49:52,550 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) [2023-04-02 20:49:52,560 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 [2023-04-02 20:49:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 20:49:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 20:49:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 20:49:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-02 20:49:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-02 20:49:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-02 20:49:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-02 20:49:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-02 20:49:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-02 20:49:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-02 20:49:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-02 20:49:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-02 20:49:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-02 20:49:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-02 20:49:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-02 20:49:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-02 20:49:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-02 20:49:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-02 20:49:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-02 20:49:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-02 20:49:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-02 20:49:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-02 20:49:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-02 20:49:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-02 20:49:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-02 20:49:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-02 20:49:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-02 20:49:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-02 20:49:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-02 20:49:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-02 20:49:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-02 20:49:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-02 20:49:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-02 20:49:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-02 20:49:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-02 20:49:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-02 20:49:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-02 20:49:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-02 20:49:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 20:49:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-02 20:49:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-02 20:49:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-02 20:49:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-02 20:49:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 20:49:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 20:49:52,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 20:49:52,716 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 20:49:52,718 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 20:50:24,306 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 20:50:25,265 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 20:50:25,266 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 20:50:25,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:50:25 BoogieIcfgContainer [2023-04-02 20:50:25,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 20:50:25,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 20:50:25,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 20:50:25,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 20:50:25,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:49:35" (1/3) ... [2023-04-02 20:50:25,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ce21a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:50:25, skipping insertion in model container [2023-04-02 20:50:25,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:48" (2/3) ... [2023-04-02 20:50:25,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ce21a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:50:25, skipping insertion in model container [2023-04-02 20:50:25,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:50:25" (3/3) ... [2023-04-02 20:50:25,284 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label11.c [2023-04-02 20:50:25,299 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 20:50:25,300 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 20:50:25,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 20:50:25,494 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;@5c440d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 20:50:25,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 20:50:25,527 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) [2023-04-02 20:50:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-02 20:50:26,216 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 20:50:26,221 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 [2023-04-02 20:50:26,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1298872863, now seen corresponding path program 1 times [2023-04-02 20:50:26,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 20:50:26,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820426843] [2023-04-02 20:50:26,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 20:50:26,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 20:50:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat