/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-rers2012/Problem07_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 03:38:21,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 03:38:21,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 03:38:21,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 03:38:21,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 03:38:21,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 03:38:21,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 03:38:21,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 03:38:21,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 03:38:21,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 03:38:21,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 03:38:21,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 03:38:21,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 03:38:21,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 03:38:21,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 03:38:21,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 03:38:21,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 03:38:21,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 03:38:21,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 03:38:21,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 03:38:21,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 03:38:21,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 03:38:21,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 03:38:21,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 03:38:21,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 03:38:21,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 03:38:21,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 03:38:21,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 03:38:21,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 03:38:21,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 03:38:21,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 03:38:21,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 03:38:21,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 03:38:21,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 03:38:21,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 03:38:21,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 03:38:21,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 03:38:21,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 03:38:21,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 03:38:21,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 03:38:21,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 03:38:21,677 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 03:38:21,700 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 03:38:21,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 03:38:21,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 03:38:21,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 03:38:21,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 03:38:21,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 03:38:21,701 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 03:38:21,701 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 03:38:21,701 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 03:38:21,701 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 03:38:21,702 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 03:38:21,702 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 03:38:21,702 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 03:38:21,702 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 03:38:21,702 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 03:38:21,702 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 03:38:21,702 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 03:38:21,702 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 03:38:21,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 03:38:21,703 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 03:38:21,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 03:38:21,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 03:38:21,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 03:38:21,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 03:38:21,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 03:38:21,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 03:38:21,703 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 03:38:21,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 03:38:21,704 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 03:38:21,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 03:38:21,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 03:38:21,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 03:38:21,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:38:21,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 03:38:21,704 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 03:38:21,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 03:38:21,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 03:38:21,705 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 03:38:21,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 03:38:21,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 03:38:21,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 03:38:21,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 03:38:21,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 03:38:21,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 03:38:21,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 03:38:21,906 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 03:38:21,906 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 03:38:21,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label20.c [2023-04-01 03:38:22,952 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 03:38:24,165 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 03:38:24,166 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label20.c [2023-04-01 03:38:24,260 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be28e703/5f8b746bd2324563897a1577cafa229f/FLAG7ad997ae5 [2023-04-01 03:38:24,270 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6be28e703/5f8b746bd2324563897a1577cafa229f [2023-04-01 03:38:24,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 03:38:24,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 03:38:24,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 03:38:24,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 03:38:24,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 03:38:24,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:38:24" (1/1) ... [2023-04-01 03:38:24,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f5d84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:24, skipping insertion in model container [2023-04-01 03:38:24,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:38:24" (1/1) ... [2023-04-01 03:38:24,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 03:38:24,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 03:38:31,650 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-rers2012/Problem07_label20.c[2769329,2769342] [2023-04-01 03:38:31,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:38:31,719 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 03:38:35,683 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-rers2012/Problem07_label20.c[2769329,2769342] [2023-04-01 03:38:35,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:38:36,568 INFO L208 MainTranslator]: Completed translation [2023-04-01 03:38:36,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36 WrapperNode [2023-04-01 03:38:36,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 03:38:36,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 03:38:36,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 03:38:36,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 03:38:36,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36" (1/1) ... [2023-04-01 03:38:36,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36" (1/1) ... [2023-04-01 03:38:37,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36" (1/1) ... [2023-04-01 03:38:37,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36" (1/1) ... [2023-04-01 03:38:38,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36" (1/1) ... [2023-04-01 03:38:38,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36" (1/1) ... [2023-04-01 03:38:38,694 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36" (1/1) ... [2023-04-01 03:38:38,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36" (1/1) ... [2023-04-01 03:38:39,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 03:38:39,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 03:38:39,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 03:38:39,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 03:38:39,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36" (1/1) ... [2023-04-01 03:38:39,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:38:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 03:38:39,224 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 03:38:39,235 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 03:38:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 03:38:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 03:38:39,250 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 03:38:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 03:38:39,252 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 03:38:39,252 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 03:38:39,252 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 03:38:39,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 03:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 03:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 03:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 03:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 03:38:39,416 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 03:38:39,418 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 03:39:09,066 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 03:39:09,867 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 03:39:09,869 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 03:39:09,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:39:09 BoogieIcfgContainer [2023-04-01 03:39:09,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 03:39:09,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 03:39:09,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 03:39:09,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 03:39:09,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 03:38:24" (1/3) ... [2023-04-01 03:39:09,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a85157c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:39:09, skipping insertion in model container [2023-04-01 03:39:09,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:36" (2/3) ... [2023-04-01 03:39:09,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a85157c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:39:09, skipping insertion in model container [2023-04-01 03:39:09,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:39:09" (3/3) ... [2023-04-01 03:39:09,884 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label20.c [2023-04-01 03:39:09,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 03:39:09,896 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 03:39:10,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 03:39:10,053 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;@6dcd4c70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 03:39:10,053 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 03:39:10,084 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 03:39:10,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 03:39:10,788 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:39:10,793 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] [2023-04-01 03:39:10,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 03:39:10,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 03:39:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash -742690337, now seen corresponding path program 1 times [2023-04-01 03:39:10,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:39:10,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284736866] [2023-04-01 03:39:10,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:39:10,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 03:39:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat