/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_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 17:52:51,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 17:52:51,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 17:52:51,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 17:52:51,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 17:52:51,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 17:52:51,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 17:52:51,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 17:52:51,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 17:52:51,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 17:52:51,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 17:52:51,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 17:52:51,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 17:52:51,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 17:52:51,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 17:52:51,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 17:52:51,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 17:52:51,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 17:52:51,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 17:52:51,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 17:52:51,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 17:52:51,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 17:52:51,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 17:52:51,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 17:52:51,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 17:52:51,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 17:52:51,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 17:52:51,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 17:52:51,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 17:52:51,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 17:52:51,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 17:52:51,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 17:52:51,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 17:52:51,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 17:52:51,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 17:52:51,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 17:52:51,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 17:52:51,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 17:52:51,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 17:52:51,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 17:52:51,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 17:52:51,872 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 17:52:51,899 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 17:52:51,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 17:52:51,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 17:52:51,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 17:52:51,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 17:52:51,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 17:52:51,901 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 17:52:51,901 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 17:52:51,902 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 17:52:51,902 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 17:52:51,902 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 17:52:51,903 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 17:52:51,903 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 17:52:51,903 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 17:52:51,903 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 17:52:51,903 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 17:52:51,903 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 17:52:51,903 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 17:52:51,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 17:52:51,904 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 17:52:51,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 17:52:51,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 17:52:51,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 17:52:51,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 17:52:51,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 17:52:51,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 17:52:51,905 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 17:52:51,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 17:52:51,905 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 17:52:51,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 17:52:51,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 17:52:51,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 17:52:51,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 17:52:51,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 17:52:51,906 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 17:52:51,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 17:52:51,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 17:52:51,906 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 17:52:51,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 17:52:51,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 17:52:51,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 17:52:51,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 17:52:52,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 17:52:52,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 17:52:52,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 17:52:52,164 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 17:52:52,165 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 17:52:52,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label29.c [2023-04-02 17:52:53,366 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 17:52:54,924 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 17:52:54,925 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label29.c [2023-04-02 17:52:55,030 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b400274/a79674fbd61f4ffb8e70381fdd153478/FLAG7a2cd489c [2023-04-02 17:52:55,041 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b400274/a79674fbd61f4ffb8e70381fdd153478 [2023-04-02 17:52:55,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 17:52:55,044 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 17:52:55,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 17:52:55,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 17:52:55,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 17:52:55,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:52:55" (1/1) ... [2023-04-02 17:52:55,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687da4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:52:55, skipping insertion in model container [2023-04-02 17:52:55,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:52:55" (1/1) ... [2023-04-02 17:52:55,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 17:52:55,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 17:53:03,194 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_label29.c[2774953,2774966] [2023-04-02 17:53:03,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 17:53:03,265 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 17:53:07,663 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_label29.c[2774953,2774966] [2023-04-02 17:53:07,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 17:53:08,648 INFO L208 MainTranslator]: Completed translation [2023-04-02 17:53:08,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08 WrapperNode [2023-04-02 17:53:08,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 17:53:08,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 17:53:08,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 17:53:08,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 17:53:08,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08" (1/1) ... [2023-04-02 17:53:08,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08" (1/1) ... [2023-04-02 17:53:09,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08" (1/1) ... [2023-04-02 17:53:09,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08" (1/1) ... [2023-04-02 17:53:10,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08" (1/1) ... [2023-04-02 17:53:10,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08" (1/1) ... [2023-04-02 17:53:10,850 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08" (1/1) ... [2023-04-02 17:53:10,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08" (1/1) ... [2023-04-02 17:53:11,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 17:53:11,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 17:53:11,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 17:53:11,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 17:53:11,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08" (1/1) ... [2023-04-02 17:53:11,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 17:53:11,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 17:53:11,549 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 17:53:11,551 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 17:53:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 17:53:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 17:53:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 17:53:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-02 17:53:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-02 17:53:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-02 17:53:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-02 17:53:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-02 17:53:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-02 17:53:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-02 17:53:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-02 17:53:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-02 17:53:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-02 17:53:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-02 17:53:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-02 17:53:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-02 17:53:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-02 17:53:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-02 17:53:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-02 17:53:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-02 17:53:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-02 17:53:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-02 17:53:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-02 17:53:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-02 17:53:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-02 17:53:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-02 17:53:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-02 17:53:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-02 17:53:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-02 17:53:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-02 17:53:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-02 17:53:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-02 17:53:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-02 17:53:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-02 17:53:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-02 17:53:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-02 17:53:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-02 17:53:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-02 17:53:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-02 17:53:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 17:53:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-02 17:53:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-02 17:53:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-02 17:53:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-02 17:53:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-02 17:53:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-02 17:53:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-02 17:53:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-02 17:53:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-02 17:53:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-02 17:53:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-02 17:53:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-02 17:53:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-02 17:53:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-02 17:53:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-02 17:53:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-02 17:53:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-02 17:53:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-02 17:53:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-02 17:53:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-02 17:53:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 17:53:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 17:53:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 17:53:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 17:53:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 17:53:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 17:53:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 17:53:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 17:53:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 17:53:11,717 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 17:53:11,735 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 17:53:43,901 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 17:53:44,952 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 17:53:44,952 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 17:53:44,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:53:44 BoogieIcfgContainer [2023-04-02 17:53:44,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 17:53:44,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 17:53:44,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 17:53:44,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 17:53:44,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 05:52:55" (1/3) ... [2023-04-02 17:53:44,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c396e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:53:44, skipping insertion in model container [2023-04-02 17:53:44,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:53:08" (2/3) ... [2023-04-02 17:53:44,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c396e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:53:44, skipping insertion in model container [2023-04-02 17:53:44,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:53:44" (3/3) ... [2023-04-02 17:53:44,970 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label29.c [2023-04-02 17:53:44,983 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 17:53:44,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 17:53:45,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 17:53:45,173 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;@4f371dca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 17:53:45,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 17:53:45,207 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 17:53:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-02 17:53:46,017 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 17:53:46,022 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 17:53:46,024 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 17:53:46,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 17:53:46,033 INFO L85 PathProgramCache]: Analyzing trace with hash 536081749, now seen corresponding path program 1 times [2023-04-02 17:53:46,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 17:53:46,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768676665] [2023-04-02 17:53:46,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 17:53:46,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 17:53:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 17:56:45,400 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 17:56:45,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 17:56:45,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768676665] [2023-04-02 17:56:45,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768676665] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 17:56:45,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 17:56:45,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 17:56:45,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095870363] [2023-04-02 17:56:45,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 17:56:45,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 17:56:45,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 17:56:45,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 17:56:45,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 17:56:45,559 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)