/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=NARROWEST --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_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 07:23:32,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 07:23:32,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 07:23:32,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 07:23:32,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 07:23:32,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 07:23:32,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 07:23:32,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 07:23:32,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 07:23:32,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 07:23:32,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 07:23:32,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 07:23:32,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 07:23:32,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 07:23:32,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 07:23:32,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 07:23:32,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 07:23:32,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 07:23:32,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 07:23:32,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 07:23:32,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 07:23:32,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 07:23:32,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 07:23:32,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 07:23:32,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 07:23:32,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 07:23:32,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 07:23:32,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 07:23:32,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 07:23:32,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 07:23:32,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 07:23:32,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 07:23:32,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 07:23:32,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 07:23:32,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 07:23:32,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 07:23:32,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 07:23:32,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 07:23:32,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 07:23:32,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 07:23:32,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 07:23:32,788 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 [2020-10-13 07:23:32,811 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 07:23:32,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 07:23:32,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 07:23:32,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 07:23:32,813 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 07:23:32,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 07:23:32,813 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 07:23:32,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 07:23:32,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 07:23:32,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 07:23:32,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 07:23:32,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 07:23:32,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 07:23:32,814 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 07:23:32,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 07:23:32,815 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 07:23:32,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 07:23:32,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 07:23:32,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 07:23:32,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 07:23:32,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 07:23:32,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 07:23:32,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 07:23:32,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 07:23:32,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 07:23:32,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 07:23:32,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 07:23:32,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 07:23:32,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 07:23:32,818 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 07:23:33,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 07:23:33,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 07:23:33,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 07:23:33,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 07:23:33,159 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 07:23:33,159 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label26.c [2020-10-13 07:23:33,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d42c73481/b3de1909dc9b4c09b0264bb5b891f136/FLAG19c796078 [2020-10-13 07:23:35,382 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 07:23:35,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem07_label26.c [2020-10-13 07:23:35,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d42c73481/b3de1909dc9b4c09b0264bb5b891f136/FLAG19c796078 [2020-10-13 07:23:36,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d42c73481/b3de1909dc9b4c09b0264bb5b891f136 [2020-10-13 07:23:36,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 07:23:36,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 07:23:36,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 07:23:36,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 07:23:36,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 07:23:36,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:36" (1/1) ... [2020-10-13 07:23:36,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c56d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:23:36, skipping insertion in model container [2020-10-13 07:23:36,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:23:36" (1/1) ... [2020-10-13 07:23:36,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 07:23:37,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 07:23:49,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 07:23:49,387 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 07:23:57,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 07:24:02,451 INFO L208 MainTranslator]: Completed translation [2020-10-13 07:24:02,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02 WrapperNode [2020-10-13 07:24:02,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 07:24:02,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 07:24:02,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 07:24:02,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 07:24:02,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2020-10-13 07:24:02,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2020-10-13 07:24:02,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2020-10-13 07:24:02,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2020-10-13 07:24:04,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2020-10-13 07:24:04,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2020-10-13 07:24:04,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (1/1) ... [2020-10-13 07:24:05,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 07:24:05,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 07:24:05,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 07:24:05,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 07:24:05,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (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 [2020-10-13 07:24:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 07:24:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 07:24:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 07:24:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-13 07:24:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2020-10-13 07:24:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2020-10-13 07:24:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2020-10-13 07:24:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2020-10-13 07:24:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2020-10-13 07:24:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2020-10-13 07:24:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2020-10-13 07:24:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2020-10-13 07:24:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2020-10-13 07:24:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2020-10-13 07:24:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2020-10-13 07:24:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2020-10-13 07:24:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2020-10-13 07:24:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2020-10-13 07:24:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2020-10-13 07:24:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2020-10-13 07:24:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2020-10-13 07:24:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2020-10-13 07:24:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2020-10-13 07:24:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2020-10-13 07:24:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2020-10-13 07:24:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2020-10-13 07:24:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2020-10-13 07:24:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2020-10-13 07:24:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2020-10-13 07:24:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2020-10-13 07:24:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2020-10-13 07:24:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2020-10-13 07:24:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2020-10-13 07:24:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2020-10-13 07:24:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2020-10-13 07:24:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2020-10-13 07:24:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2020-10-13 07:24:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2020-10-13 07:24:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2020-10-13 07:24:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2020-10-13 07:24:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2020-10-13 07:24:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2020-10-13 07:24:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2020-10-13 07:24:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2020-10-13 07:24:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2020-10-13 07:24:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2020-10-13 07:24:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2020-10-13 07:24:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2020-10-13 07:24:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 07:24:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 07:24:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-13 07:24:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2020-10-13 07:24:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2020-10-13 07:24:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2020-10-13 07:24:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2020-10-13 07:24:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2020-10-13 07:24:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2020-10-13 07:24:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2020-10-13 07:24:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2020-10-13 07:24:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2020-10-13 07:24:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2020-10-13 07:24:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2020-10-13 07:24:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2020-10-13 07:24:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2020-10-13 07:24:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2020-10-13 07:24:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2020-10-13 07:24:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2020-10-13 07:24:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2020-10-13 07:24:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2020-10-13 07:24:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2020-10-13 07:24:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2020-10-13 07:24:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2020-10-13 07:24:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2020-10-13 07:24:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2020-10-13 07:24:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2020-10-13 07:24:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2020-10-13 07:24:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2020-10-13 07:24:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2020-10-13 07:24:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2020-10-13 07:24:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2020-10-13 07:24:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2020-10-13 07:24:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2020-10-13 07:24:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2020-10-13 07:24:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2020-10-13 07:24:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2020-10-13 07:24:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2020-10-13 07:24:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2020-10-13 07:24:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2020-10-13 07:24:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2020-10-13 07:24:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2020-10-13 07:24:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2020-10-13 07:24:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2020-10-13 07:24:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2020-10-13 07:24:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2020-10-13 07:24:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2020-10-13 07:24:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 07:24:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 07:24:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 07:24:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 07:24:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 07:24:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 07:24:58,218 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 07:24:58,219 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 07:24:58,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:24:58 BoogieIcfgContainer [2020-10-13 07:24:58,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 07:24:58,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 07:24:58,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 07:24:58,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 07:24:58,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:23:36" (1/3) ... [2020-10-13 07:24:58,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e31d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:24:58, skipping insertion in model container [2020-10-13 07:24:58,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:02" (2/3) ... [2020-10-13 07:24:58,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e31d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:24:58, skipping insertion in model container [2020-10-13 07:24:58,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:24:58" (3/3) ... [2020-10-13 07:24:58,261 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem07_label26.c [2020-10-13 07:24:58,270 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 07:24:58,284 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 07:24:58,297 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 07:24:58,350 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 07:24:58,350 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 07:24:58,350 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 07:24:58,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 07:24:58,351 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 07:24:58,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 07:24:58,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 07:24:58,351 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 07:24:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 10446 states. [2020-10-13 07:24:59,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10236 [2020-10-13 07:24:59,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 07:24:59,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 07:24:59,970 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 07:24:59,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 07:24:59,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1085966643, now seen corresponding path program 1 times [2020-10-13 07:25:00,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 07:25:00,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721443642] [2020-10-13 07:25:00,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 07:25:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:25:07,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:25:11,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:25:11,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10333 [2020-10-13 07:25:11,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:25:11,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6792 [2020-10-13 07:25:11,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:25:11,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 96 [2020-10-13 07:25:11,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 07:25:11,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10327 [2020-10-13 07:25:11,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-13 07:25:59,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 07:25:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:25:59,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:25:59,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:25:59,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 07:25:59,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:25:59,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 07:25:59,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:25:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 07:25:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 07:25:59,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 07:25:59,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0