/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-rers2012/Problem01_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:05:29,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:05:29,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:05:29,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:05:29,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:05:29,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:05:29,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:05:29,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:05:29,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:05:29,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:05:29,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:05:29,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:05:29,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:05:29,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:05:29,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:05:29,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:05:29,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:05:29,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:05:29,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:05:29,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:05:29,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:05:29,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:05:29,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:05:29,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:05:29,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:05:29,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:05:29,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:05:29,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:05:29,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:05:29,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:05:29,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:05:29,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:05:29,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:05:29,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:05:29,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:05:29,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:05:29,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:05:29,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:05:29,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:05:29,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:05:29,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:05:29,936 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 19:05:29,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:05:29,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:05:29,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:05:29,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:05:29,975 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:05:29,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:05:29,976 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:05:29,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:05:29,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:05:29,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:05:29,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:05:29,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:05:29,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:05:29,979 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:05:29,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:05:29,979 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:05:29,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:05:29,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:05:29,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:05:29,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:05:29,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:05:29,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:05:29,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:05:29,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:05:29,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:05:29,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:05:29,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:05:29,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:05:29,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:05:29,982 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 19:05:30,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:05:30,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:05:30,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:05:30,292 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:05:30,292 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:05:30,293 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label51.c [2020-10-14 19:05:30,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a4ab0edf/7aae2a1efa634b98b135e8d6cdab861e/FLAG2aef731a3 [2020-10-14 19:05:30,933 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:05:30,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label51.c [2020-10-14 19:05:30,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a4ab0edf/7aae2a1efa634b98b135e8d6cdab861e/FLAG2aef731a3 [2020-10-14 19:05:31,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a4ab0edf/7aae2a1efa634b98b135e8d6cdab861e [2020-10-14 19:05:31,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:05:31,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:05:31,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:05:31,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:05:31,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:05:31,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:05:31" (1/1) ... [2020-10-14 19:05:31,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e164ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31, skipping insertion in model container [2020-10-14 19:05:31,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:05:31" (1/1) ... [2020-10-14 19:05:31,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:05:31,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:05:31,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:05:31,693 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:05:31,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:05:31,926 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:05:31,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31 WrapperNode [2020-10-14 19:05:31,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:05:31,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:05:31,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:05:31,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:05:31,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31" (1/1) ... [2020-10-14 19:05:31,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31" (1/1) ... [2020-10-14 19:05:31,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31" (1/1) ... [2020-10-14 19:05:31,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31" (1/1) ... [2020-10-14 19:05:32,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31" (1/1) ... [2020-10-14 19:05:32,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31" (1/1) ... [2020-10-14 19:05:32,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31" (1/1) ... [2020-10-14 19:05:32,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:05:32,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:05:32,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:05:32,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:05:32,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31" (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 19:05:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:05:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:05:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:05:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:05:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:05:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:05:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:05:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:05:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:05:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:05:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:05:33,347 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:05:33,348 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:05:33,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:05:33 BoogieIcfgContainer [2020-10-14 19:05:33,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:05:33,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:05:33,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:05:33,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:05:33,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:05:31" (1/3) ... [2020-10-14 19:05:33,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4445c8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:05:33, skipping insertion in model container [2020-10-14 19:05:33,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:31" (2/3) ... [2020-10-14 19:05:33,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4445c8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:05:33, skipping insertion in model container [2020-10-14 19:05:33,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:05:33" (3/3) ... [2020-10-14 19:05:33,362 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label51.c [2020-10-14 19:05:33,373 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:05:33,381 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:05:33,396 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:05:33,425 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:05:33,425 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:05:33,425 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:05:33,425 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:05:33,426 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:05:33,426 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:05:33,426 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:05:33,426 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:05:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-14 19:05:33,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-14 19:05:33,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:05:33,467 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] [2020-10-14 19:05:33,467 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:05:33,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:05:33,474 INFO L82 PathProgramCache]: Analyzing trace with hash 588022894, now seen corresponding path program 1 times [2020-10-14 19:05:33,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:05:33,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954212464] [2020-10-14 19:05:33,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:05:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:33,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:34,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:35,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:35,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 19:05:35,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:05:35,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1869 [2020-10-14 19:05:35,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:35,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:05:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:05:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 19:05:35,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 19:05:35,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:05:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:35,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:35,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:35,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:05:35,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:35,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 19:05:35,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:35,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:35,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:05:35,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:35,856 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 19:05:35,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954212464] [2020-10-14 19:05:35,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:05:35,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 19:05:35,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665722537] [2020-10-14 19:05:35,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 19:05:35,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:05:35,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 19:05:35,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 19:05:35,887 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-10-14 19:05:37,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:05:37,399 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-10-14 19:05:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:05:37,401 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2020-10-14 19:05:37,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:05:37,419 INFO L225 Difference]: With dead ends: 557 [2020-10-14 19:05:37,419 INFO L226 Difference]: Without dead ends: 286 [2020-10-14 19:05:37,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:05:37,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-14 19:05:37,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-10-14 19:05:37,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-14 19:05:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 396 transitions. [2020-10-14 19:05:37,515 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 396 transitions. Word has length 112 [2020-10-14 19:05:37,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:05:37,517 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 396 transitions. [2020-10-14 19:05:37,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 19:05:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 396 transitions. [2020-10-14 19:05:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 19:05:37,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:05:37,523 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:37,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:05:37,524 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:05:37,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:05:37,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1134717957, now seen corresponding path program 1 times [2020-10-14 19:05:37,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:05:37,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211893905] [2020-10-14 19:05:37,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:05:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:37,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:37,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:38,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:38,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:38,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:38,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 19:05:38,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:05:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1300 [2020-10-14 19:05:38,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:38,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:05:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 19:05:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 19:05:38,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:39,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:05:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:39,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:39,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:39,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:05:39,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:39,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:05:39,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:39,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:05:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:39,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:05:39,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:05:39,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:05:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:39,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:39,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:39,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 19:05:39,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:39,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 19:05:39,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:39,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:39,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:39,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:39,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 19:05:39,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:39,353 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:05:39,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211893905] [2020-10-14 19:05:39,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:05:39,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:05:39,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532087816] [2020-10-14 19:05:39,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:05:39,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:05:39,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:05:39,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:05:39,359 INFO L87 Difference]: Start difference. First operand 280 states and 396 transitions. Second operand 5 states. [2020-10-14 19:05:39,625 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-14 19:05:40,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:05:40,735 INFO L93 Difference]: Finished difference Result 659 states and 966 transitions. [2020-10-14 19:05:40,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:05:40,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-14 19:05:40,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:05:40,740 INFO L225 Difference]: With dead ends: 659 [2020-10-14 19:05:40,741 INFO L226 Difference]: Without dead ends: 286 [2020-10-14 19:05:40,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:05:40,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-14 19:05:40,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-10-14 19:05:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-14 19:05:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 356 transitions. [2020-10-14 19:05:40,774 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 356 transitions. Word has length 122 [2020-10-14 19:05:40,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:05:40,775 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 356 transitions. [2020-10-14 19:05:40,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:05:40,775 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 356 transitions. [2020-10-14 19:05:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 19:05:40,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:05:40,783 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:40,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:05:40,784 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:05:40,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:05:40,784 INFO L82 PathProgramCache]: Analyzing trace with hash 825027265, now seen corresponding path program 1 times [2020-10-14 19:05:40,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:05:40,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233639876] [2020-10-14 19:05:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:05:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:40,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:40,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:41,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:42,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:42,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 19:05:42,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:05:42,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1459 [2020-10-14 19:05:42,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:42,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:05:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 19:05:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 19:05:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:42,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:05:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:42,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:42,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:42,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:05:42,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:42,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:05:42,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:42,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:42,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:05:42,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:42,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:05:42,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:42,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:05:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:42,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:42,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:42,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:05:42,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 19:05:42,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:42,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 19:05:42,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:05:42,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233639876] [2020-10-14 19:05:42,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:05:42,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:05:42,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978817662] [2020-10-14 19:05:42,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:05:42,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:05:42,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:05:42,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:05:42,531 INFO L87 Difference]: Start difference. First operand 280 states and 356 transitions. Second operand 5 states. [2020-10-14 19:05:43,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:05:43,541 INFO L93 Difference]: Finished difference Result 834 states and 1081 transitions. [2020-10-14 19:05:43,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:05:43,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-14 19:05:43,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:05:43,547 INFO L225 Difference]: With dead ends: 834 [2020-10-14 19:05:43,547 INFO L226 Difference]: Without dead ends: 560 [2020-10-14 19:05:43,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:05:43,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-14 19:05:43,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 556. [2020-10-14 19:05:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-14 19:05:43,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 685 transitions. [2020-10-14 19:05:43,575 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 685 transitions. Word has length 124 [2020-10-14 19:05:43,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:05:43,576 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 685 transitions. [2020-10-14 19:05:43,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:05:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 685 transitions. [2020-10-14 19:05:43,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 19:05:43,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:05:43,579 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:43,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:05:43,580 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:05:43,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:05:43,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1038518463, now seen corresponding path program 1 times [2020-10-14 19:05:43,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:05:43,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793966163] [2020-10-14 19:05:43,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:05:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:43,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:43,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:43,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:47,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:47,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 19:05:47,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:05:47,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4243 [2020-10-14 19:05:47,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:47,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:05:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 19:05:47,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 19:05:47,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:47,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:05:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:47,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:47,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:47,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:05:47,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:47,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:05:47,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:47,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:05:47,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:47,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:05:47,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:05:47,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:05:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:47,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:47,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:48,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:05:48,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:48,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 19:05:48,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:48,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 19:05:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:05:48,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793966163] [2020-10-14 19:05:48,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:05:48,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:05:48,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26299673] [2020-10-14 19:05:48,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:05:48,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:05:48,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:05:48,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:05:48,028 INFO L87 Difference]: Start difference. First operand 556 states and 685 transitions. Second operand 5 states. [2020-10-14 19:05:49,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:05:49,024 INFO L93 Difference]: Finished difference Result 1384 states and 1747 transitions. [2020-10-14 19:05:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:05:49,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-10-14 19:05:49,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:05:49,034 INFO L225 Difference]: With dead ends: 1384 [2020-10-14 19:05:49,034 INFO L226 Difference]: Without dead ends: 834 [2020-10-14 19:05:49,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:05:49,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-10-14 19:05:49,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 830. [2020-10-14 19:05:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-10-14 19:05:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1019 transitions. [2020-10-14 19:05:49,067 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1019 transitions. Word has length 127 [2020-10-14 19:05:49,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:05:49,068 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 1019 transitions. [2020-10-14 19:05:49,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:05:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1019 transitions. [2020-10-14 19:05:49,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 19:05:49,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:05:49,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:49,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:05:49,072 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:05:49,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:05:49,073 INFO L82 PathProgramCache]: Analyzing trace with hash 454696149, now seen corresponding path program 1 times [2020-10-14 19:05:49,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:05:49,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875283103] [2020-10-14 19:05:49,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:05:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:49,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:49,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:49,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:50,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:50,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 19:05:50,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:05:50,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1654 [2020-10-14 19:05:50,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:50,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:05:50,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 19:05:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 19:05:50,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:50,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:05:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:50,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:50,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:50,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:05:50,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:50,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:05:50,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:50,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:50,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:05:50,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:50,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:05:50,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:50,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:05:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:50,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:50,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:50,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:05:50,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:50,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 19:05:50,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:50,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:50,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:50,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:50,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 19:05:50,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:05:50,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875283103] [2020-10-14 19:05:50,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:05:50,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:05:50,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711416751] [2020-10-14 19:05:50,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:05:50,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:05:50,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:05:50,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:05:50,978 INFO L87 Difference]: Start difference. First operand 830 states and 1019 transitions. Second operand 5 states. [2020-10-14 19:05:52,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:05:52,287 INFO L93 Difference]: Finished difference Result 2480 states and 3092 transitions. [2020-10-14 19:05:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:05:52,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-10-14 19:05:52,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:05:52,298 INFO L225 Difference]: With dead ends: 2480 [2020-10-14 19:05:52,298 INFO L226 Difference]: Without dead ends: 1656 [2020-10-14 19:05:52,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:05:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2020-10-14 19:05:52,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 973. [2020-10-14 19:05:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-10-14 19:05:52,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1173 transitions. [2020-10-14 19:05:52,384 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1173 transitions. Word has length 146 [2020-10-14 19:05:52,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:05:52,384 INFO L479 AbstractCegarLoop]: Abstraction has 973 states and 1173 transitions. [2020-10-14 19:05:52,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:05:52,384 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1173 transitions. [2020-10-14 19:05:52,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-14 19:05:52,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:05:52,392 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:52,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:05:52,393 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:05:52,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:05:52,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1098604130, now seen corresponding path program 1 times [2020-10-14 19:05:52,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:05:52,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050874657] [2020-10-14 19:05:52,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:05:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:52,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:53,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:54,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:54,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-14 19:05:54,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:05:54,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2210 [2020-10-14 19:05:54,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:54,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:54,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:05:54,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 19:05:54,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 19:05:54,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:54,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:05:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:54,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:54,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:54,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:05:54,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:54,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:05:54,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:54,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:05:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:54,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:05:54,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 19:05:54,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:05:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:54,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:54,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:54,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:05:54,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:54,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:05:54,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:54,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:05:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:54,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:05:54,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:54,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 19:05:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:54,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:55,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:55,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 19:05:55,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:55,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 19:05:55,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:55,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 19:05:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 19:05:55,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050874657] [2020-10-14 19:05:55,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:05:55,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:05:55,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40075847] [2020-10-14 19:05:55,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:05:55,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:05:55,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:05:55,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:05:55,142 INFO L87 Difference]: Start difference. First operand 973 states and 1173 transitions. Second operand 6 states. [2020-10-14 19:05:56,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:05:56,664 INFO L93 Difference]: Finished difference Result 3044 states and 3745 transitions. [2020-10-14 19:05:56,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:05:56,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2020-10-14 19:05:56,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:05:56,666 INFO L225 Difference]: With dead ends: 3044 [2020-10-14 19:05:56,666 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 19:05:56,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:05:56,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 19:05:56,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 19:05:56,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 19:05:56,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 19:05:56,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 197 [2020-10-14 19:05:56,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:05:56,675 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 19:05:56,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:05:56,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 19:05:56,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 19:05:56,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 19:05:56,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 19:05:57,509 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 42 [2020-10-14 19:05:57,566 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:05:57,566 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 19:05:57,567 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:05:57,567 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-14 19:05:57,567 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-14 19:05:57,567 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,567 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,567 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,567 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,567 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,568 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,568 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-14 19:05:57,568 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-14 19:05:57,568 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-14 19:05:57,568 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-14 19:05:57,568 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-14 19:05:57,568 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-14 19:05:57,568 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-14 19:05:57,569 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-14 19:05:57,569 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-14 19:05:57,569 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-14 19:05:57,575 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,575 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,575 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,575 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,575 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,576 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,576 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-14 19:05:57,576 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-14 19:05:57,576 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-14 19:05:57,576 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-14 19:05:57,576 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-14 19:05:57,576 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-14 19:05:57,576 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-14 19:05:57,576 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-14 19:05:57,577 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-14 19:05:57,577 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-14 19:05:57,577 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-14 19:05:57,578 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 494) no Hoare annotation was computed. [2020-10-14 19:05:57,578 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-14 19:05:57,579 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-14 19:05:57,579 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-14 19:05:57,579 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-14 19:05:57,579 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,579 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,579 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,579 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,579 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,580 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-14 19:05:57,580 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-14 19:05:57,580 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-14 19:05:57,580 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-14 19:05:57,580 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-14 19:05:57,580 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-14 19:05:57,580 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-14 19:05:57,580 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-14 19:05:57,581 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-14 19:05:57,581 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,581 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,581 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,581 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,581 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,581 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-14 19:05:57,581 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-14 19:05:57,582 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-14 19:05:57,582 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-14 19:05:57,582 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-14 19:05:57,582 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-14 19:05:57,587 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-14 19:05:57,587 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-14 19:05:57,587 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-14 19:05:57,587 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-14 19:05:57,587 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-14 19:05:57,587 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-14 19:05:57,587 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-14 19:05:57,588 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,588 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,588 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,588 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,588 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,588 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-14 19:05:57,588 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-14 19:05:57,588 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-14 19:05:57,589 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-14 19:05:57,589 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-14 19:05:57,589 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-14 19:05:57,589 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-14 19:05:57,589 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-14 19:05:57,589 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-14 19:05:57,589 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,589 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,589 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,589 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,590 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,590 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,590 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-14 19:05:57,590 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,590 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-14 19:05:57,590 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-14 19:05:57,590 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-14 19:05:57,590 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-14 19:05:57,590 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-14 19:05:57,591 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-14 19:05:57,591 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-14 19:05:57,591 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-14 19:05:57,591 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-14 19:05:57,591 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-14 19:05:57,591 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-14 19:05:57,591 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-14 19:05:57,591 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-14 19:05:57,592 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,592 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,592 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,592 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,592 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,593 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-14 19:05:57,593 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-14 19:05:57,594 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-14 19:05:57,594 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-14 19:05:57,595 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-14 19:05:57,595 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-14 19:05:57,596 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-14 19:05:57,596 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-14 19:05:57,596 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,596 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,596 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,596 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,596 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,596 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-14 19:05:57,597 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-14 19:05:57,597 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-14 19:05:57,597 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-14 19:05:57,597 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-14 19:05:57,597 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-14 19:05:57,597 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-14 19:05:57,597 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-14 19:05:57,597 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-14 19:05:57,597 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-14 19:05:57,599 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a8~0 |old(~a8~0)|)))) (and (or .cse0 (not (<= |old(~a20~0)| 0))) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) (or .cse0 (not (<= |old(~a16~0)| 4))) (or (and (not (= |old(~a8~0)| 13)) (not (= |old(~a7~0)| 1))) .cse0)))) [2020-10-14 19:05:57,599 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-14 19:05:57,599 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,600 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,600 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,600 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,600 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-14 19:05:57,600 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,600 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,600 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-14 19:05:57,600 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-14 19:05:57,600 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-14 19:05:57,601 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-14 19:05:57,601 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-14 19:05:57,601 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-14 19:05:57,601 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-14 19:05:57,601 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-14 19:05:57,601 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-14 19:05:57,601 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-14 19:05:57,601 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-14 19:05:57,601 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-14 19:05:57,602 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,602 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,602 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,602 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,602 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,602 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-14 19:05:57,602 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,602 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-14 19:05:57,602 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-14 19:05:57,603 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-14 19:05:57,603 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-14 19:05:57,603 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-14 19:05:57,603 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-14 19:05:57,603 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-14 19:05:57,603 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-14 19:05:57,603 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-14 19:05:57,603 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-14 19:05:57,604 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-14 19:05:57,604 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-14 19:05:57,604 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-14 19:05:57,604 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-14 19:05:57,604 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,604 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,604 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,604 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,604 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,605 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:05:57,605 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-14 19:05:57,605 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-14 19:05:57,605 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-14 19:05:57,605 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-14 19:05:57,605 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-14 19:05:57,605 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-14 19:05:57,605 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-14 19:05:57,606 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-14 19:05:57,606 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-14 19:05:57,606 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-14 19:05:57,606 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:05:57,607 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a8~0 15) [2020-10-14 19:05:57,608 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 19:05:57,608 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:05:57,608 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) [2020-10-14 19:05:57,608 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-14 19:05:57,608 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (= ~a7~0 1) (<= ~a16~0 4) (= ~a8~0 13) (= ~a8~0 15) (not (= 15 |old(~a8~0)|)) (<= ~a20~0 0)) [2020-10-14 19:05:57,608 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-14 19:05:57,609 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-14 19:05:57,609 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (= ~a7~0 1) (<= ~a16~0 4) (= ~a8~0 13) (= ~a8~0 15) (not (= 15 |old(~a8~0)|)) (<= ~a20~0 0)) [2020-10-14 19:05:57,609 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-14 19:05:57,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:05:57 BoogieIcfgContainer [2020-10-14 19:05:57,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:05:57,634 INFO L168 Benchmark]: Toolchain (without parser) took 26447.89 ms. Allocated memory was 147.8 MB in the beginning and 601.9 MB in the end (delta: 454.0 MB). Free memory was 102.5 MB in the beginning and 366.8 MB in the end (delta: -264.2 MB). Peak memory consumption was 189.8 MB. Max. memory is 7.1 GB. [2020-10-14 19:05:57,635 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 19:05:57,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.87 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.5 MB in the beginning and 173.1 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-10-14 19:05:57,637 INFO L168 Benchmark]: Boogie Preprocessor took 121.18 ms. Allocated memory is still 207.1 MB. Free memory was 173.1 MB in the beginning and 168.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-14 19:05:57,638 INFO L168 Benchmark]: RCFGBuilder took 1302.69 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 168.1 MB in the beginning and 175.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:05:57,639 INFO L168 Benchmark]: TraceAbstraction took 24276.80 ms. Allocated memory was 236.5 MB in the beginning and 601.9 MB in the end (delta: 365.4 MB). Free memory was 175.2 MB in the beginning and 366.8 MB in the end (delta: -191.6 MB). Peak memory consumption was 173.8 MB. Max. memory is 7.1 GB. [2020-10-14 19:05:57,643 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.87 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.5 MB in the beginning and 173.1 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.18 ms. Allocated memory is still 207.1 MB. Free memory was 173.1 MB in the beginning and 168.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1302.69 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 168.1 MB in the beginning and 175.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24276.80 ms. Allocated memory was 236.5 MB in the beginning and 601.9 MB in the end (delta: 365.4 MB). Free memory was 175.2 MB in the beginning and 366.8 MB in the end (delta: -191.6 MB). Peak memory consumption was 173.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 494]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((a7 == 1 || a16 <= 4) || a8 == 13) || a8 == 15) || !(15 == \old(a8))) || a20 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 168 SDtfs, 1393 SDslu, 117 SDs, 0 SdLazy, 3877 SolverSat, 440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=973occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 703 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 46 PreInvPairs, 82 NumberOfFragments, 228 HoareAnnotationTreeSize, 46 FomulaSimplifications, 23904 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1476 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 828 NumberOfCodeBlocks, 828 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 822 ConstructedInterpolants, 0 QuantifiedInterpolants, 604561 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 147/153 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...