/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 EqDomain -i ../sv-benchmarks/c/eca-rers2012/Problem07_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 09:42:13,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 09:42:13,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 09:42:13,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 09:42:13,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 09:42:13,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 09:42:13,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 09:42:13,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 09:42:13,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 09:42:13,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 09:42:13,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 09:42:13,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 09:42:13,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 09:42:13,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 09:42:13,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 09:42:13,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 09:42:13,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 09:42:13,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 09:42:13,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 09:42:13,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 09:42:13,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 09:42:13,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 09:42:13,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 09:42:13,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 09:42:13,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 09:42:13,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 09:42:13,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 09:42:13,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 09:42:13,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 09:42:13,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 09:42:13,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 09:42:13,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 09:42:13,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 09:42:13,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 09:42:13,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 09:42:13,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 09:42:13,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 09:42:13,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 09:42:13,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 09:42:13,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 09:42:13,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 09:42:13,295 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 09:42:13,322 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 09:42:13,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 09:42:13,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 09:42:13,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 09:42:13,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 09:42:13,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 09:42:13,323 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 09:42:13,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 09:42:13,323 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 09:42:13,323 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 09:42:13,323 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 09:42:13,324 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 09:42:13,324 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 09:42:13,324 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 09:42:13,324 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 09:42:13,324 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 09:42:13,324 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 09:42:13,324 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 09:42:13,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 09:42:13,325 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 09:42:13,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 09:42:13,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 09:42:13,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 09:42:13,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 09:42:13,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 09:42:13,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 09:42:13,326 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 09:42:13,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 09:42:13,326 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 09:42:13,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 09:42:13,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 09:42:13,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 09:42:13,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:42:13,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 09:42:13,327 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 09:42:13,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 09:42:13,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 09:42:13,327 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 09:42:13,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 09:42:13,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 09:42:13,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 09:42:13,327 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 09:42:13,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 09:42:13,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 09:42:13,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 09:42:13,587 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 09:42:13,588 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 09:42:13,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem07_label33.c [2023-04-01 09:42:14,722 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 09:42:16,115 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 09:42:16,116 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label33.c [2023-04-01 09:42:16,227 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c4c9610/88cf3bd83c5244c3b4fe7b324df3b6cf/FLAG45d947aed [2023-04-01 09:42:16,238 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82c4c9610/88cf3bd83c5244c3b4fe7b324df3b6cf [2023-04-01 09:42:16,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 09:42:16,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 09:42:16,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 09:42:16,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 09:42:16,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 09:42:16,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:42:16" (1/1) ... [2023-04-01 09:42:16,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f6ddd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:16, skipping insertion in model container [2023-04-01 09:42:16,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 09:42:16" (1/1) ... [2023-04-01 09:42:16,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 09:42:16,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 09:42:24,309 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label33.c[2771543,2771556] [2023-04-01 09:42:24,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:42:24,364 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 09:42:28,720 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem07_label33.c[2771543,2771556] [2023-04-01 09:42:28,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 09:42:29,732 INFO L208 MainTranslator]: Completed translation [2023-04-01 09:42:29,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29 WrapperNode [2023-04-01 09:42:29,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 09:42:29,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 09:42:29,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 09:42:29,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 09:42:29,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29" (1/1) ... [2023-04-01 09:42:29,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29" (1/1) ... [2023-04-01 09:42:30,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29" (1/1) ... [2023-04-01 09:42:30,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29" (1/1) ... [2023-04-01 09:42:32,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29" (1/1) ... [2023-04-01 09:42:32,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29" (1/1) ... [2023-04-01 09:42:33,029 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29" (1/1) ... [2023-04-01 09:42:33,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29" (1/1) ... [2023-04-01 09:42:33,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 09:42:33,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 09:42:33,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 09:42:33,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 09:42:33,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29" (1/1) ... [2023-04-01 09:42:33,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 09:42:33,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 09:42:33,590 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 09:42:33,599 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 09:42:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 09:42:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 09:42:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 09:42:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 09:42:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-04-01 09:42:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-04-01 09:42:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-04-01 09:42:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-04-01 09:42:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-04-01 09:42:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-04-01 09:42:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-04-01 09:42:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2023-04-01 09:42:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2023-04-01 09:42:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2023-04-01 09:42:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2023-04-01 09:42:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2023-04-01 09:42:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2023-04-01 09:42:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2023-04-01 09:42:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2023-04-01 09:42:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2023-04-01 09:42:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2023-04-01 09:42:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2023-04-01 09:42:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2023-04-01 09:42:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2023-04-01 09:42:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2023-04-01 09:42:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2023-04-01 09:42:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2023-04-01 09:42:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2023-04-01 09:42:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2023-04-01 09:42:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2023-04-01 09:42:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2023-04-01 09:42:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2023-04-01 09:42:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2023-04-01 09:42:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2023-04-01 09:42:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2023-04-01 09:42:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2023-04-01 09:42:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2023-04-01 09:42:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2023-04-01 09:42:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 09:42:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 09:42:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-04-01 09:42:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-04-01 09:42:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-04-01 09:42:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-04-01 09:42:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-04-01 09:42:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-04-01 09:42:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-04-01 09:42:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2023-04-01 09:42:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2023-04-01 09:42:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2023-04-01 09:42:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2023-04-01 09:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2023-04-01 09:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2023-04-01 09:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2023-04-01 09:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2023-04-01 09:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2023-04-01 09:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2023-04-01 09:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2023-04-01 09:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2023-04-01 09:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2023-04-01 09:42:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2023-04-01 09:42:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2023-04-01 09:42:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2023-04-01 09:42:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2023-04-01 09:42:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2023-04-01 09:42:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2023-04-01 09:42:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2023-04-01 09:42:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2023-04-01 09:42:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2023-04-01 09:42:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2023-04-01 09:42:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2023-04-01 09:42:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 09:42:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 09:42:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 09:42:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 09:42:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 09:42:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 09:42:33,841 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 09:42:33,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 09:43:07,051 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 09:43:07,990 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 09:43:07,991 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 09:43:08,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:43:08 BoogieIcfgContainer [2023-04-01 09:43:08,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 09:43:08,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 09:43:08,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 09:43:08,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 09:43:08,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 09:42:16" (1/3) ... [2023-04-01 09:43:08,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ac74e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:43:08, skipping insertion in model container [2023-04-01 09:43:08,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 09:42:29" (2/3) ... [2023-04-01 09:43:08,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ac74e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 09:43:08, skipping insertion in model container [2023-04-01 09:43:08,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 09:43:08" (3/3) ... [2023-04-01 09:43:08,007 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label33.c [2023-04-01 09:43:08,024 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 09:43:08,024 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 09:43:08,198 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 09:43:08,205 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;@21099da1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 09:43:08,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 09:43:08,239 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 09:43:09,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10182 [2023-04-01 09:43:09,067 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 09:43:09,073 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 09:43:09,084 INFO L85 PathProgramCache]: Analyzing trace with hash 536057409, now seen corresponding path program 1 times [2023-04-01 09:43:09,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 09:43:09,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910687818] [2023-04-01 09:43:09,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 09:43:09,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms