/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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 20:48:26,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 20:48:26,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 20:48:26,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 20:48:26,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 20:48:26,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 20:48:26,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 20:48:26,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 20:48:26,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 20:48:26,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 20:48:26,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 20:48:26,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 20:48:26,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 20:48:26,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 20:48:26,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 20:48:26,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 20:48:26,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 20:48:26,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 20:48:26,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 20:48:26,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 20:48:26,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 20:48:26,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 20:48:26,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 20:48:26,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 20:48:26,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 20:48:26,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 20:48:26,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 20:48:26,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 20:48:26,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 20:48:26,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 20:48:26,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 20:48:26,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 20:48:26,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 20:48:26,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 20:48:26,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 20:48:26,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 20:48:26,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 20:48:26,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 20:48:26,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 20:48:26,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 20:48:26,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 20:48:26,440 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 20:48:26,469 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 20:48:26,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 20:48:26,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 20:48:26,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 20:48:26,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 20:48:26,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 20:48:26,470 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 20:48:26,471 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 20:48:26,471 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 20:48:26,471 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 20:48:26,471 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 20:48:26,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 20:48:26,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 20:48:26,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 20:48:26,471 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 20:48:26,471 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 20:48:26,471 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 20:48:26,471 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 20:48:26,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 20:48:26,472 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 20:48:26,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 20:48:26,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 20:48:26,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 20:48:26,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 20:48:26,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 20:48:26,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 20:48:26,472 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 20:48:26,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 20:48:26,472 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 20:48:26,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 20:48:26,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 20:48:26,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 20:48:26,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 20:48:26,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 20:48:26,473 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 20:48:26,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 20:48:26,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 20:48:26,473 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 20:48:26,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 20:48:26,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 20:48:26,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 20:48:26,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 20:48:26,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 20:48:26,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 20:48:26,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 20:48:26,636 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 20:48:26,636 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 20:48:26,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label03.c [2023-04-02 20:48:27,751 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 20:48:28,822 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 20:48:28,822 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label03.c [2023-04-02 20:48:28,928 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a07cd246/405583146cf44815aac6b4154143cce5/FLAGb15f42cbc [2023-04-02 20:48:28,938 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a07cd246/405583146cf44815aac6b4154143cce5 [2023-04-02 20:48:28,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 20:48:28,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 20:48:28,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 20:48:28,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 20:48:28,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 20:48:28,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:48:28" (1/1) ... [2023-04-02 20:48:28,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410acb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:28, skipping insertion in model container [2023-04-02 20:48:28,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:48:28" (1/1) ... [2023-04-02 20:48:28,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 20:48:29,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 20:48:36,080 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_label03.c[2768501,2768514] [2023-04-02 20:48:36,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 20:48:36,135 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 20:48:40,095 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_label03.c[2768501,2768514] [2023-04-02 20:48:40,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 20:48:41,019 INFO L208 MainTranslator]: Completed translation [2023-04-02 20:48:41,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41 WrapperNode [2023-04-02 20:48:41,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 20:48:41,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 20:48:41,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 20:48:41,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 20:48:41,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41" (1/1) ... [2023-04-02 20:48:41,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41" (1/1) ... [2023-04-02 20:48:41,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41" (1/1) ... [2023-04-02 20:48:41,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41" (1/1) ... [2023-04-02 20:48:43,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41" (1/1) ... [2023-04-02 20:48:43,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41" (1/1) ... [2023-04-02 20:48:43,665 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41" (1/1) ... [2023-04-02 20:48:43,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41" (1/1) ... [2023-04-02 20:48:44,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 20:48:44,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 20:48:44,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 20:48:44,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 20:48:44,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41" (1/1) ... [2023-04-02 20:48:44,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 20:48:44,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 20:48:44,401 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 20:48:44,433 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 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-02 20:48:44,454 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-02 20:48:44,455 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-02 20:48:44,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-02 20:48:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-02 20:48:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-02 20:48:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-02 20:48:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-02 20:48:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-02 20:48:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-02 20:48:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-02 20:48:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-02 20:48:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-02 20:48:44,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 20:48:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-02 20:48:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-02 20:48:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-02 20:48:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-02 20:48:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-02 20:48:44,458 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-02 20:48:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-02 20:48:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-02 20:48:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-02 20:48:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-02 20:48:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-02 20:48:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-02 20:48:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-02 20:48:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-02 20:48:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-02 20:48:44,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-02 20:48:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-02 20:48:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-02 20:48:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-02 20:48:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-02 20:48:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-02 20:48:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-02 20:48:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 20:48:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 20:48:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 20:48:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 20:48:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 20:48:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 20:48:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 20:48:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 20:48:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 20:48:44,621 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 20:48:44,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 20:49:12,653 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 20:49:13,564 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 20:49:13,564 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 20:49:13,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:49:13 BoogieIcfgContainer [2023-04-02 20:49:13,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 20:49:13,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 20:49:13,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 20:49:13,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 20:49:13,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:48:28" (1/3) ... [2023-04-02 20:49:13,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7279a5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:49:13, skipping insertion in model container [2023-04-02 20:49:13,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:48:41" (2/3) ... [2023-04-02 20:49:13,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7279a5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:49:13, skipping insertion in model container [2023-04-02 20:49:13,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:49:13" (3/3) ... [2023-04-02 20:49:13,579 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label03.c [2023-04-02 20:49:13,591 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 20:49:13,591 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 20:49:13,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 20:49:13,733 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;@6ff8bec3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 20:49:13,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 20:49:13,762 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 20:49:14,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-02 20:49:14,610 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 20:49:14,615 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 20:49:14,616 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 20:49:14,619 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 20:49:14,623 INFO L85 PathProgramCache]: Analyzing trace with hash -20163423, now seen corresponding path program 1 times [2023-04-02 20:49:14,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 20:49:14,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436989371] [2023-04-02 20:49:14,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 20:49:14,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 20:49:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat