/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_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 03:39:23,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 03:39:23,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 03:39:23,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 03:39:23,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 03:39:23,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 03:39:23,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 03:39:23,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 03:39:23,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 03:39:23,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 03:39:23,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 03:39:23,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 03:39:23,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 03:39:23,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 03:39:23,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 03:39:23,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 03:39:23,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 03:39:23,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 03:39:23,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 03:39:23,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 03:39:23,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 03:39:23,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 03:39:23,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 03:39:23,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 03:39:23,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 03:39:23,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 03:39:23,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 03:39:23,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 03:39:23,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 03:39:23,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 03:39:23,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 03:39:23,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 03:39:23,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 03:39:23,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 03:39:23,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 03:39:23,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 03:39:23,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 03:39:23,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 03:39:23,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 03:39:23,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 03:39:23,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 03:39:23,761 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 03:39:23,780 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 03:39:23,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 03:39:23,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 03:39:23,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 03:39:23,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 03:39:23,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 03:39:23,782 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 03:39:23,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 03:39:23,782 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 03:39:23,782 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 03:39:23,783 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 03:39:23,783 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 03:39:23,783 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 03:39:23,783 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 03:39:23,783 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 03:39:23,783 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 03:39:23,783 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 03:39:23,783 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 03:39:23,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 03:39:23,784 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 03:39:23,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 03:39:23,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 03:39:23,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 03:39:23,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 03:39:23,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 03:39:23,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 03:39:23,785 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 03:39:23,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 03:39:23,785 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 03:39:23,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 03:39:23,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 03:39:23,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 03:39:23,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:39:23,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 03:39:23,785 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 03:39:23,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 03:39:23,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 03:39:23,786 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 03:39:23,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 03:39:23,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 03:39:23,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 03:39:23,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 03:39:23,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 03:39:24,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 03:39:24,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 03:39:24,015 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 03:39:24,016 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 03:39:24,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label33.c [2023-04-01 03:39:25,095 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 03:39:26,335 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 03:39:26,336 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label33.c [2023-04-01 03:39:26,492 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c661d323d/7326aab1416a4482bd66213af3aa3bc0/FLAGb749cab1a [2023-04-01 03:39:26,502 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c661d323d/7326aab1416a4482bd66213af3aa3bc0 [2023-04-01 03:39:26,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 03:39:26,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 03:39:26,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 03:39:26,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 03:39:26,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 03:39:26,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:26,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c57435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:26, skipping insertion in model container [2023-04-01 03:39:26,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:39:26" (1/1) ... [2023-04-01 03:39:26,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 03:39:27,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 03:39:33,676 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_label33.c[2771543,2771556] [2023-04-01 03:39:33,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:39:33,734 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 03:39:37,522 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_label33.c[2771543,2771556] [2023-04-01 03:39:37,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:39:38,447 INFO L208 MainTranslator]: Completed translation [2023-04-01 03:39:38,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38 WrapperNode [2023-04-01 03:39:38,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 03:39:38,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 03:39:38,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 03:39:38,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 03:39:38,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38" (1/1) ... [2023-04-01 03:39:38,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38" (1/1) ... [2023-04-01 03:39:38,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38" (1/1) ... [2023-04-01 03:39:38,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38" (1/1) ... [2023-04-01 03:39:40,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38" (1/1) ... [2023-04-01 03:39:40,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38" (1/1) ... [2023-04-01 03:39:40,842 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38" (1/1) ... [2023-04-01 03:39:40,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38" (1/1) ... [2023-04-01 03:39:41,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 03:39:41,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 03:39:41,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 03:39:41,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 03:39:41,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38" (1/1) ... [2023-04-01 03:39:41,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:39:41,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 03:39:41,365 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 03:39:41,384 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 03:39:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 03:39:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 03:39:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 03:39:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 03:39:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 03:39:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 03:39:41,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 03:39:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 03:39:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 03:39:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 03:39:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 03:39:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 03:39:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 03:39:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 03:39:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 03:39:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 03:39:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 03:39:41,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 03:39:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 03:39:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 03:39:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 03:39:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 03:39:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 03:39:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 03:39:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 03:39:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 03:39:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 03:39:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 03:39:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 03:39:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 03:39:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 03:39:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 03:39:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 03:39:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 03:39:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 03:39:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 03:39:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 03:39:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 03:39:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 03:39:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 03:39:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 03:39:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 03:39:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 03:39:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 03:39:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 03:39:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 03:39:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 03:39:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 03:39:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 03:39:41,550 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 03:39:41,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 03:40:10,529 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 03:40:11,486 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 03:40:11,486 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 03:40:11,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:40:11 BoogieIcfgContainer [2023-04-01 03:40:11,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 03:40:11,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 03:40:11,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 03:40:11,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 03:40:11,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 03:39:26" (1/3) ... [2023-04-01 03:40:11,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581ac0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:40:11, skipping insertion in model container [2023-04-01 03:40:11,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:39:38" (2/3) ... [2023-04-01 03:40:11,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581ac0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:40:11, skipping insertion in model container [2023-04-01 03:40:11,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:40:11" (3/3) ... [2023-04-01 03:40:11,500 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label33.c [2023-04-01 03:40:11,512 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 03:40:11,512 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 03:40:11,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 03:40:11,761 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;@3bd2bdb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 03:40:11,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 03:40:11,787 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 03:40:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 03:40:12,396 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:40:12,401 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 03:40:12,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 03:40:12,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 03:40:12,416 INFO L85 PathProgramCache]: Analyzing trace with hash 536057409, now seen corresponding path program 1 times [2023-04-01 03:40:12,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:40:12,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729250134] [2023-04-01 03:40:12,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:40:12,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 03:40:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat