/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/eca-programs/Problem101_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 20:49:09,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 20:49:09,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 20:49:09,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 20:49:09,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 20:49:09,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 20:49:09,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 20:49:09,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 20:49:09,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 20:49:09,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 20:49:09,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 20:49:09,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 20:49:09,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 20:49:09,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 20:49:09,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 20:49:09,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 20:49:09,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 20:49:09,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 20:49:09,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 20:49:09,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 20:49:09,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 20:49:09,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 20:49:09,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 20:49:09,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 20:49:09,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 20:49:09,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 20:49:09,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 20:49:09,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 20:49:09,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 20:49:09,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 20:49:09,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 20:49:09,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 20:49:09,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 20:49:09,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 20:49:09,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 20:49:09,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 20:49:09,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 20:49:09,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 20:49:09,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 20:49:09,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 20:49:09,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 20:49:09,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-02 20:49:09,813 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 20:49:09,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 20:49:09,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 20:49:09,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 20:49:09,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 20:49:09,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 20:49:09,815 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 20:49:09,815 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 20:49:09,815 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 20:49:09,815 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 20:49:09,815 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 20:49:09,815 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 20:49:09,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 20:49:09,816 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 20:49:09,816 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 20:49:09,816 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 20:49:09,816 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 20:49:09,816 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 20:49:09,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 20:49:09,817 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 20:49:09,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 20:49:09,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 20:49:09,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 20:49:09,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 20:49:09,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 20:49:09,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 20:49:09,818 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 20:49:09,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 20:49:09,818 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 20:49:09,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 20:49:09,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 20:49:09,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 20:49:09,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 20:49:09,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 20:49:09,819 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 20:49:09,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 20:49:09,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 20:49:09,819 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 20:49:09,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 20:49:09,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 20:49:09,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 20:49:09,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 20:49:10,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 20:49:10,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 20:49:10,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 20:49:10,044 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 20:49:10,045 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 20:49:10,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem101_label09.c [2023-04-02 20:49:11,217 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 20:49:12,780 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 20:49:12,781 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label09.c [2023-04-02 20:49:12,886 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd7659736/494fcdaa14264e46902f1b4e97ab178c/FLAGad8a50227 [2023-04-02 20:49:12,896 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd7659736/494fcdaa14264e46902f1b4e97ab178c [2023-04-02 20:49:12,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 20:49:12,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 20:49:12,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 20:49:12,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 20:49:12,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 20:49:12,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:49:12" (1/1) ... [2023-04-02 20:49:12,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa6130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:12, skipping insertion in model container [2023-04-02 20:49:12,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 08:49:12" (1/1) ... [2023-04-02 20:49:12,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 20:49:13,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 20:49:21,072 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label09.c[2769014,2769027] [2023-04-02 20:49:21,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 20:49:21,135 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 20:49:25,679 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem101_label09.c[2769014,2769027] [2023-04-02 20:49:25,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 20:49:26,498 INFO L208 MainTranslator]: Completed translation [2023-04-02 20:49:26,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26 WrapperNode [2023-04-02 20:49:26,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 20:49:26,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 20:49:26,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 20:49:26,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 20:49:26,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26" (1/1) ... [2023-04-02 20:49:26,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26" (1/1) ... [2023-04-02 20:49:27,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26" (1/1) ... [2023-04-02 20:49:27,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26" (1/1) ... [2023-04-02 20:49:28,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26" (1/1) ... [2023-04-02 20:49:28,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26" (1/1) ... [2023-04-02 20:49:29,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26" (1/1) ... [2023-04-02 20:49:29,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26" (1/1) ... [2023-04-02 20:49:29,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 20:49:29,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 20:49:29,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 20:49:29,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 20:49:29,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26" (1/1) ... [2023-04-02 20:49:29,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 20:49:29,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 20:49:29,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 20:49:29,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 20:49:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 20:49:29,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 20:49:29,665 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 20:49:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-02 20:49:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-02 20:49:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-02 20:49:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-02 20:49:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-02 20:49:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-02 20:49:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-02 20:49:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-02 20:49:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-02 20:49:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-02 20:49:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-02 20:49:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-02 20:49:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-02 20:49:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-02 20:49:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-02 20:49:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-02 20:49:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-02 20:49:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-02 20:49:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-02 20:49:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-02 20:49:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-02 20:49:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-02 20:49:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-02 20:49:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-02 20:49:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-02 20:49:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-02 20:49:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-02 20:49:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-02 20:49:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-02 20:49:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-02 20:49:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-02 20:49:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-02 20:49:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-02 20:49:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-02 20:49:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-02 20:49:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 20:49:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-02 20:49:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-02 20:49:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-02 20:49:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-02 20:49:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-02 20:49:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-02 20:49:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-02 20:49:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-02 20:49:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-02 20:49:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-02 20:49:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-02 20:49:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-02 20:49:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-02 20:49:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-02 20:49:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-02 20:49:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-02 20:49:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-02 20:49:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-02 20:49:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-02 20:49:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-02 20:49:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-02 20:49:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 20:49:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 20:49:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 20:49:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 20:49:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 20:49:29,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 20:49:29,845 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 20:49:29,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 20:50:01,662 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 20:50:02,661 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 20:50:02,661 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 20:50:02,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:50:02 BoogieIcfgContainer [2023-04-02 20:50:02,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 20:50:02,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 20:50:02,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 20:50:02,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 20:50:02,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 08:49:12" (1/3) ... [2023-04-02 20:50:02,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29513d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:50:02, skipping insertion in model container [2023-04-02 20:50:02,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 08:49:26" (2/3) ... [2023-04-02 20:50:02,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29513d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 08:50:02, skipping insertion in model container [2023-04-02 20:50:02,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 08:50:02" (3/3) ... [2023-04-02 20:50:02,683 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label09.c [2023-04-02 20:50:02,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 20:50:02,700 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 20:50:02,911 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 20:50:02,921 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;@1f56fea3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 20:50:02,921 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 20:50:02,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 10325 states, 10227 states have (on average 1.9860174049085753) internal successors, (20311), 10228 states have internal predecessors, (20311), 48 states have call successors, (48), 48 states have call predecessors, (48), 48 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-02 20:50:03,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-02 20:50:03,735 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 20:50:03,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 20:50:03,742 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 20:50:03,746 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 20:50:03,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1298903229, now seen corresponding path program 1 times [2023-04-02 20:50:03,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 20:50:03,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216679515] [2023-04-02 20:50:03,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 20:50:03,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 20:50:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 20:52:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 20:52:53,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 20:52:53,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216679515] [2023-04-02 20:52:53,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216679515] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 20:52:53,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 20:52:53,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 20:52:53,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344479046] [2023-04-02 20:52:53,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 20:52:53,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 20:52:53,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 20:52:53,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 20:52:53,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 20:52:53,217 INFO L87 Difference]: Start difference. First 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) Second operand has 3 states, 3 states have (on average 3377.3333333333335) internal successors, (10132), 2 states have internal predecessors, (10132), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)