/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=BIGGEST --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-rers2012/Problem07_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 12:32:53,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 12:32:53,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 12:32:53,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 12:32:53,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 12:32:53,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 12:32:53,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 12:32:53,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 12:32:53,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 12:32:53,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 12:32:53,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 12:32:53,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 12:32:53,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 12:32:53,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 12:32:53,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 12:32:53,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 12:32:53,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 12:32:53,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 12:32:53,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 12:32:53,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 12:32:53,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 12:32:53,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 12:32:53,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 12:32:53,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 12:32:53,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 12:32:53,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 12:32:53,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 12:32:53,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 12:32:53,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 12:32:53,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 12:32:53,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 12:32:53,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 12:32:53,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 12:32:53,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 12:32:53,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 12:32:53,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 12:32:53,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 12:32:53,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 12:32:53,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 12:32:53,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 12:32:53,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 12:32:53,733 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 [2020-10-12 12:32:53,769 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 12:32:53,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 12:32:53,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 12:32:53,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 12:32:53,772 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 12:32:53,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 12:32:53,773 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 12:32:53,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 12:32:53,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 12:32:53,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 12:32:53,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 12:32:53,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 12:32:53,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 12:32:53,775 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 12:32:53,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 12:32:53,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 12:32:53,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 12:32:53,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 12:32:53,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 12:32:53,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 12:32:53,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 12:32:53,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 12:32:53,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 12:32:53,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 12:32:53,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 12:32:53,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 12:32:53,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 12:32:53,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 12:32:53,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 12:32:53,778 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 12:32:54,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 12:32:54,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 12:32:54,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 12:32:54,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 12:32:54,104 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 12:32:54,105 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label55.c [2020-10-12 12:32:54,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/418bfca48/998241cad0fc4422bb9e3359e6939210/FLAG5d6cddd2d [2020-10-12 12:32:56,814 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 12:32:56,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem07_label55.c [2020-10-12 12:32:57,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/418bfca48/998241cad0fc4422bb9e3359e6939210/FLAG5d6cddd2d [2020-10-12 12:32:57,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/418bfca48/998241cad0fc4422bb9e3359e6939210 [2020-10-12 12:32:57,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 12:32:57,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 12:32:57,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 12:32:57,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 12:32:57,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 12:32:57,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:32:57" (1/1) ... [2020-10-12 12:32:57,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff870af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:32:57, skipping insertion in model container [2020-10-12 12:32:57,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:32:57" (1/1) ... [2020-10-12 12:32:57,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 12:32:58,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 12:33:13,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 12:33:13,099 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 12:33:23,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 12:33:24,701 INFO L208 MainTranslator]: Completed translation [2020-10-12 12:33:24,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:33:24 WrapperNode [2020-10-12 12:33:24,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 12:33:24,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 12:33:24,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 12:33:24,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 12:33:24,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:33:24" (1/1) ... [2020-10-12 12:33:24,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:33:24" (1/1) ... [2020-10-12 12:33:25,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:33:24" (1/1) ... [2020-10-12 12:33:25,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:33:24" (1/1) ... [2020-10-12 12:33:26,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:33:24" (1/1) ... [2020-10-12 12:33:26,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:33:24" (1/1) ... [2020-10-12 12:33:26,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:33:24" (1/1) ... [2020-10-12 12:33:27,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 12:33:27,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 12:33:27,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 12:33:27,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 12:33:27,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:33:24" (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 [2020-10-12 12:33:29,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 12:33:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 12:33:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 12:33:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-12 12:33:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2020-10-12 12:33:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2020-10-12 12:33:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2020-10-12 12:33:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2020-10-12 12:33:29,235 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2020-10-12 12:33:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2020-10-12 12:33:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2020-10-12 12:33:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2020-10-12 12:33:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2020-10-12 12:33:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2020-10-12 12:33:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2020-10-12 12:33:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2020-10-12 12:33:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2020-10-12 12:33:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2020-10-12 12:33:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2020-10-12 12:33:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2020-10-12 12:33:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2020-10-12 12:33:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2020-10-12 12:33:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2020-10-12 12:33:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2020-10-12 12:33:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2020-10-12 12:33:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2020-10-12 12:33:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2020-10-12 12:33:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2020-10-12 12:33:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2020-10-12 12:33:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2020-10-12 12:33:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2020-10-12 12:33:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2020-10-12 12:33:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2020-10-12 12:33:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2020-10-12 12:33:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2020-10-12 12:33:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2020-10-12 12:33:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2020-10-12 12:33:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2020-10-12 12:33:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2020-10-12 12:33:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2020-10-12 12:33:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2020-10-12 12:33:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2020-10-12 12:33:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2020-10-12 12:33:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2020-10-12 12:33:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2020-10-12 12:33:29,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2020-10-12 12:33:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2020-10-12 12:33:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2020-10-12 12:33:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 12:33:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 12:33:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-12 12:33:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2020-10-12 12:33:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2020-10-12 12:33:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2020-10-12 12:33:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2020-10-12 12:33:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2020-10-12 12:33:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2020-10-12 12:33:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2020-10-12 12:33:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2020-10-12 12:33:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2020-10-12 12:33:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2020-10-12 12:33:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2020-10-12 12:33:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2020-10-12 12:33:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2020-10-12 12:33:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2020-10-12 12:33:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2020-10-12 12:33:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2020-10-12 12:33:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2020-10-12 12:33:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2020-10-12 12:33:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2020-10-12 12:33:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2020-10-12 12:33:29,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2020-10-12 12:33:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2020-10-12 12:33:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2020-10-12 12:33:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2020-10-12 12:33:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2020-10-12 12:33:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2020-10-12 12:33:29,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2020-10-12 12:33:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2020-10-12 12:33:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2020-10-12 12:33:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2020-10-12 12:33:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2020-10-12 12:33:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2020-10-12 12:33:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2020-10-12 12:33:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2020-10-12 12:33:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2020-10-12 12:33:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2020-10-12 12:33:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2020-10-12 12:33:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2020-10-12 12:33:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2020-10-12 12:33:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2020-10-12 12:33:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2020-10-12 12:33:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2020-10-12 12:33:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2020-10-12 12:33:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2020-10-12 12:33:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 12:33:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 12:33:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 12:33:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 12:33:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 12:33:29,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 12:34:11,535 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 12:34:11,535 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 12:34:11,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:34:11 BoogieIcfgContainer [2020-10-12 12:34:11,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 12:34:11,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 12:34:11,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 12:34:11,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 12:34:11,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 12:32:57" (1/3) ... [2020-10-12 12:34:11,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53df9753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 12:34:11, skipping insertion in model container [2020-10-12 12:34:11,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:33:24" (2/3) ... [2020-10-12 12:34:11,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53df9753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 12:34:11, skipping insertion in model container [2020-10-12 12:34:11,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:34:11" (3/3) ... [2020-10-12 12:34:11,580 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem07_label55.c [2020-10-12 12:34:11,589 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 12:34:11,601 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 12:34:11,614 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 12:34:11,666 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 12:34:11,666 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 12:34:11,666 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 12:34:11,666 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 12:34:11,666 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 12:34:11,667 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 12:34:11,667 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 12:34:11,667 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 12:34:11,816 INFO L276 IsEmpty]: Start isEmpty. Operand 10446 states. [2020-10-12 12:34:12,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10222 [2020-10-12 12:34:12,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 12:34:12,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 12:34:12,997 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 12:34:13,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 12:34:13,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1985938229, now seen corresponding path program 1 times [2020-10-12 12:34:13,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 12:34:13,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127775448] [2020-10-12 12:34:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 12:34:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 12:34:20,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 12:34:25,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 12:34:25,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10319 [2020-10-12 12:34:25,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 12:34:25,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6988 [2020-10-12 12:34:25,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 12:34:25,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 96 [2020-10-12 12:34:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 12:34:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10313 [2020-10-12 12:34:25,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-12 12:34:59,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 12:34:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 12:34:59,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 12:34:59,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 12:34:59,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 12:34:59,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 12:34:59,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 12:34:59,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 12:34:59,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 12:34:59,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 12:34:59,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 12:34:59,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 12:36:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 12:36:20,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127775448] [2020-10-12 12:36:20,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 12:36:20,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 12:36:20,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60767997] [2020-10-12 12:36:20,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 12:36:20,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 12:36:20,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 12:36:20,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 12:36:20,964 INFO L87 Difference]: Start difference. First operand 10446 states. Second operand 5 states.