/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-programs/Problem101_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 18:39:28,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 18:39:28,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 18:39:28,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 18:39:28,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 18:39:28,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 18:39:28,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 18:39:28,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 18:39:28,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 18:39:28,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 18:39:28,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 18:39:28,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 18:39:28,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 18:39:28,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 18:39:28,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 18:39:28,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 18:39:28,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 18:39:28,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 18:39:28,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 18:39:28,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 18:39:28,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 18:39:28,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 18:39:28,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 18:39:28,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 18:39:28,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 18:39:28,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 18:39:28,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 18:39:28,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 18:39:28,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 18:39:28,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 18:39:28,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 18:39:28,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 18:39:28,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 18:39:28,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 18:39:28,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 18:39:28,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 18:39:28,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 18:39:28,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 18:39:28,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 18:39:28,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 18:39:28,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 18:39:28,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 18:39:28,176 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 18:39:28,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 18:39:28,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 18:39:28,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 18:39:28,178 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 18:39:28,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 18:39:28,178 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 18:39:28,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 18:39:28,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 18:39:28,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 18:39:28,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 18:39:28,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 18:39:28,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 18:39:28,180 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 18:39:28,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 18:39:28,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 18:39:28,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 18:39:28,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 18:39:28,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 18:39:28,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 18:39:28,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 18:39:28,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 18:39:28,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 18:39:28,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 18:39:28,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 18:39:28,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 18:39:28,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 18:39:28,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 18:39:28,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 18:39:28,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 18:39:28,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 18:39:28,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 18:39:28,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 18:39:28,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 18:39:28,483 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 18:39:28,483 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem101_label16.c [2020-10-14 18:39:28,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/67dc2fef3/1f7ab0cf66694debb46ffcd1d1b135db/FLAGa0443adc2 [2020-10-14 18:39:30,940 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 18:39:30,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-programs/Problem101_label16.c [2020-10-14 18:39:31,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/67dc2fef3/1f7ab0cf66694debb46ffcd1d1b135db/FLAGa0443adc2 [2020-10-14 18:39:31,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/67dc2fef3/1f7ab0cf66694debb46ffcd1d1b135db [2020-10-14 18:39:31,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 18:39:31,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 18:39:31,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 18:39:31,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 18:39:31,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 18:39:31,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:39:31" (1/1) ... [2020-10-14 18:39:31,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722dc2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:31, skipping insertion in model container [2020-10-14 18:39:31,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:39:31" (1/1) ... [2020-10-14 18:39:31,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 18:39:32,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 18:39:44,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:39:44,471 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 18:39:52,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:39:53,178 INFO L208 MainTranslator]: Completed translation [2020-10-14 18:39:53,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:53 WrapperNode [2020-10-14 18:39:53,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 18:39:53,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 18:39:53,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 18:39:53,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 18:39:53,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:53" (1/1) ... [2020-10-14 18:39:53,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:53" (1/1) ... [2020-10-14 18:39:55,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:53" (1/1) ... [2020-10-14 18:39:55,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:53" (1/1) ... [2020-10-14 18:39:56,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:53" (1/1) ... [2020-10-14 18:39:56,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:53" (1/1) ... [2020-10-14 18:39:56,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:53" (1/1) ... [2020-10-14 18:39:57,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 18:39:57,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 18:39:57,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 18:39:57,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 18:39:57,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 18:39:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 18:39:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 18:39:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 18:39:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-14 18:39:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2020-10-14 18:39:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2020-10-14 18:39:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2020-10-14 18:39:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2020-10-14 18:39:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2020-10-14 18:39:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2020-10-14 18:39:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2020-10-14 18:39:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2020-10-14 18:39:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2020-10-14 18:39:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2020-10-14 18:39:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2020-10-14 18:39:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2020-10-14 18:39:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2020-10-14 18:39:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2020-10-14 18:39:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2020-10-14 18:39:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2020-10-14 18:39:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2020-10-14 18:39:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2020-10-14 18:39:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2020-10-14 18:39:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2020-10-14 18:39:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2020-10-14 18:39:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2020-10-14 18:39:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2020-10-14 18:39:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2020-10-14 18:39:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2020-10-14 18:39:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2020-10-14 18:39:57,302 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2020-10-14 18:39:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2020-10-14 18:39:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2020-10-14 18:39:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2020-10-14 18:39:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2020-10-14 18:39:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2020-10-14 18:39:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2020-10-14 18:39:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2020-10-14 18:39:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2020-10-14 18:39:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2020-10-14 18:39:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2020-10-14 18:39:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2020-10-14 18:39:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2020-10-14 18:39:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2020-10-14 18:39:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2020-10-14 18:39:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2020-10-14 18:39:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2020-10-14 18:39:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2020-10-14 18:39:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 18:39:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 18:39:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-14 18:39:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2020-10-14 18:39:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2020-10-14 18:39:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2020-10-14 18:39:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2020-10-14 18:39:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2020-10-14 18:39:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2020-10-14 18:39:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2020-10-14 18:39:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2020-10-14 18:39:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2020-10-14 18:39:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2020-10-14 18:39:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2020-10-14 18:39:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2020-10-14 18:39:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2020-10-14 18:39:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2020-10-14 18:39:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2020-10-14 18:39:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2020-10-14 18:39:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2020-10-14 18:39:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2020-10-14 18:39:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2020-10-14 18:39:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2020-10-14 18:39:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2020-10-14 18:39:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2020-10-14 18:39:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2020-10-14 18:39:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2020-10-14 18:39:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2020-10-14 18:39:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2020-10-14 18:39:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2020-10-14 18:39:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2020-10-14 18:39:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2020-10-14 18:39:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2020-10-14 18:39:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2020-10-14 18:39:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2020-10-14 18:39:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2020-10-14 18:39:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2020-10-14 18:39:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2020-10-14 18:39:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2020-10-14 18:39:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2020-10-14 18:39:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2020-10-14 18:39:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2020-10-14 18:39:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2020-10-14 18:39:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2020-10-14 18:39:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2020-10-14 18:39:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2020-10-14 18:39:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2020-10-14 18:39:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 18:39:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 18:39:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 18:39:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 18:39:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 18:39:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 18:40:40,844 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 18:40:40,845 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 18:40:40,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:40:40 BoogieIcfgContainer [2020-10-14 18:40:40,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 18:40:40,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 18:40:40,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 18:40:40,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 18:40:40,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:39:31" (1/3) ... [2020-10-14 18:40:40,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea14d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:40:40, skipping insertion in model container [2020-10-14 18:40:40,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:39:53" (2/3) ... [2020-10-14 18:40:40,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea14d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:40:40, skipping insertion in model container [2020-10-14 18:40:40,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:40:40" (3/3) ... [2020-10-14 18:40:40,884 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem101_label16.c [2020-10-14 18:40:40,894 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 18:40:40,906 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 18:40:40,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 18:40:40,973 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 18:40:40,974 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 18:40:40,974 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 18:40:40,974 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 18:40:40,974 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 18:40:40,974 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 18:40:40,975 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 18:40:40,975 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 18:40:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 10446 states. [2020-10-14 18:40:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10188 [2020-10-14 18:40:42,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:40:42,223 INFO L422 BasicCegarLoop]: 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, 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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, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:40:42,224 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:40:42,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:40:42,244 INFO L82 PathProgramCache]: Analyzing trace with hash 895069965, now seen corresponding path program 1 times [2020-10-14 18:40:42,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:40:42,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896198254] [2020-10-14 18:40:42,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:40:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:40:50,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:40:54,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:40:54,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10285 [2020-10-14 18:40:54,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:40:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6630 [2020-10-14 18:40:54,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:40:54,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:40:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 96 [2020-10-14 18:40:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 18:40:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10279 [2020-10-14 18:40:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-14 18:41:29,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:41:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:41:29,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:41:29,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:41:29,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:41:29,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:41:29,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 18:41:29,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:41:29,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:41:29,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:41:29,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:41:29,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 18:41:29,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:42:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:42:45,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896198254] [2020-10-14 18:42:45,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:42:45,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 18:42:45,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877516404] [2020-10-14 18:42:45,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:42:45,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:42:45,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:42:45,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:42:45,827 INFO L87 Difference]: Start difference. First operand 10446 states. Second operand 5 states.