/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_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 03:38:10,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 03:38:10,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 03:38:10,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 03:38:10,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 03:38:10,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 03:38:10,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 03:38:10,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 03:38:10,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 03:38:10,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 03:38:10,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 03:38:10,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 03:38:10,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 03:38:10,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 03:38:10,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 03:38:10,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 03:38:10,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 03:38:10,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 03:38:10,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 03:38:10,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 03:38:10,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 03:38:10,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 03:38:10,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 03:38:10,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 03:38:10,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 03:38:10,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 03:38:10,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 03:38:10,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 03:38:10,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 03:38:10,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 03:38:10,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 03:38:10,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 03:38:10,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 03:38:10,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 03:38:10,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 03:38:10,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 03:38:10,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 03:38:10,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 03:38:10,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 03:38:10,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 03:38:10,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 03:38:10,638 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 03:38:10,668 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 03:38:10,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 03:38:10,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 03:38:10,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 03:38:10,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 03:38:10,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 03:38:10,670 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 03:38:10,670 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 03:38:10,670 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 03:38:10,670 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 03:38:10,671 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 03:38:10,671 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 03:38:10,671 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 03:38:10,671 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 03:38:10,672 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 03:38:10,672 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 03:38:10,672 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 03:38:10,672 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 03:38:10,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 03:38:10,673 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 03:38:10,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 03:38:10,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 03:38:10,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 03:38:10,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 03:38:10,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 03:38:10,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 03:38:10,674 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 03:38:10,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 03:38:10,674 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 03:38:10,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 03:38:10,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 03:38:10,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 03:38:10,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:38:10,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 03:38:10,675 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 03:38:10,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 03:38:10,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 03:38:10,676 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 03:38:10,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 03:38:10,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 03:38:10,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 03:38:10,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 03:38:10,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 03:38:10,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 03:38:10,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 03:38:10,898 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 03:38:10,899 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 03:38:10,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label15.c [2023-04-01 03:38:12,037 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 03:38:13,598 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 03:38:13,599 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label15.c [2023-04-01 03:38:13,765 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b956d4b/133f7c37ca62422184e52a0010c365cc/FLAGcf5dda8d2 [2023-04-01 03:38:13,779 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b956d4b/133f7c37ca62422184e52a0010c365cc [2023-04-01 03:38:13,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 03:38:13,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 03:38:13,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 03:38:13,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 03:38:13,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 03:38:13,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:38:13" (1/1) ... [2023-04-01 03:38:13,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e71ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:13, skipping insertion in model container [2023-04-01 03:38:13,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:38:13" (1/1) ... [2023-04-01 03:38:13,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 03:38:14,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 03:38:21,790 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_label15.c[2770861,2770874] [2023-04-01 03:38:21,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:38:21,846 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 03:38:26,004 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_label15.c[2770861,2770874] [2023-04-01 03:38:26,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:38:27,053 INFO L208 MainTranslator]: Completed translation [2023-04-01 03:38:27,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27 WrapperNode [2023-04-01 03:38:27,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 03:38:27,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 03:38:27,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 03:38:27,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 03:38:27,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27" (1/1) ... [2023-04-01 03:38:27,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27" (1/1) ... [2023-04-01 03:38:27,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27" (1/1) ... [2023-04-01 03:38:27,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27" (1/1) ... [2023-04-01 03:38:28,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27" (1/1) ... [2023-04-01 03:38:28,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27" (1/1) ... [2023-04-01 03:38:29,093 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27" (1/1) ... [2023-04-01 03:38:29,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27" (1/1) ... [2023-04-01 03:38:29,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 03:38:29,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 03:38:29,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 03:38:29,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 03:38:29,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27" (1/1) ... [2023-04-01 03:38:29,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:38:29,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 03:38:29,730 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 03:38:29,732 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 03:38:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 03:38:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 03:38:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 03:38:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 03:38:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 03:38:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 03:38:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 03:38:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 03:38:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 03:38:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 03:38:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 03:38:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 03:38:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 03:38:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 03:38:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 03:38:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 03:38:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 03:38:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 03:38:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 03:38:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 03:38:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 03:38:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 03:38:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 03:38:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 03:38:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 03:38:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 03:38:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 03:38:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 03:38:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 03:38:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 03:38:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 03:38:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 03:38:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 03:38:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 03:38:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 03:38:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 03:38:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 03:38:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 03:38:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 03:38:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 03:38:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 03:38:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 03:38:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 03:38:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 03:38:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 03:38:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 03:38:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 03:38:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 03:38:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 03:38:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 03:38:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 03:38:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 03:38:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 03:38:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 03:38:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 03:38:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 03:38:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 03:38:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 03:38:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 03:38:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 03:38:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 03:38:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 03:38:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 03:38:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 03:38:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 03:38:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 03:38:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 03:38:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 03:38:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 03:38:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 03:38:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 03:38:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 03:38:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 03:38:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 03:38:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 03:38:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 03:38:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 03:38:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 03:38:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 03:38:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 03:38:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 03:38:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 03:38:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 03:38:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 03:38:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 03:38:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 03:38:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 03:38:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 03:38:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 03:38:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 03:38:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 03:38:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 03:38:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 03:38:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 03:38:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 03:38:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 03:38:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 03:38:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 03:38:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 03:38:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 03:38:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 03:38:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 03:38:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 03:38:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 03:38:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 03:38:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 03:38:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 03:38:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 03:38:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 03:38:29,891 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 03:38:29,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 03:39:02,849 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 03:39:03,837 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 03:39:03,838 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 03:39:03,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:39:03 BoogieIcfgContainer [2023-04-01 03:39:03,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 03:39:03,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 03:39:03,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 03:39:03,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 03:39:03,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 03:38:13" (1/3) ... [2023-04-01 03:39:03,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ffe41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:39:03, skipping insertion in model container [2023-04-01 03:39:03,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:38:27" (2/3) ... [2023-04-01 03:39:03,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ffe41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:39:03, skipping insertion in model container [2023-04-01 03:39:03,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:39:03" (3/3) ... [2023-04-01 03:39:03,857 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label15.c [2023-04-01 03:39:03,872 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 03:39:03,872 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 03:39:04,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 03:39:04,068 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;@338677ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 03:39:04,069 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 03:39:04,106 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 03:39:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 03:39:04,831 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:39:04,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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Initialized classic predicate unifier [2023-04-01 03:39:04,850 INFO L85 PathProgramCache]: Analyzing trace with hash -742688033, now seen corresponding path program 1 times [2023-04-01 03:39:04,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:39:04,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050211027] [2023-04-01 03:39:04,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:39:04,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms