/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:41:08,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:41:08,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:41:08,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:41:08,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:41:08,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:41:08,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:41:08,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:41:08,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:41:08,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:41:08,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:41:08,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:41:08,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:41:08,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:41:08,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:41:08,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:41:08,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:41:08,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:41:08,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:41:08,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:41:08,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:41:08,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:41:08,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:41:08,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:41:08,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:41:08,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:41:08,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:41:08,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:41:08,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:41:08,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:41:08,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:41:08,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:41:08,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:41:08,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:41:08,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:41:08,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:41:08,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:41:08,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:41:08,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:41:08,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:41:08,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:41:08,880 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 00:41:08,927 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:41:08,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:41:08,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:41:08,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:41:08,930 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:41:08,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:41:08,931 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:41:08,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:41:08,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:41:08,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:41:08,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:41:08,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:41:08,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:41:08,933 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:41:08,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:41:08,934 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:41:08,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:41:08,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:41:08,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:41:08,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:41:08,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:41:08,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:41:08,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:41:08,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:41:08,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:41:08,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:41:08,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:41:08,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:41:08,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:41:08,937 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:41:09,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:41:09,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:41:09,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:41:09,296 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:41:09,296 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:41:09,297 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label02.c [2020-10-14 00:41:09,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c1385f03/319ef3a9d3b04311918edf8817e15323/FLAGe4b3972b8 [2020-10-14 00:41:09,902 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:41:09,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label02.c [2020-10-14 00:41:09,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c1385f03/319ef3a9d3b04311918edf8817e15323/FLAGe4b3972b8 [2020-10-14 00:41:10,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c1385f03/319ef3a9d3b04311918edf8817e15323 [2020-10-14 00:41:10,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:41:10,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:41:10,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:41:10,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:41:10,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:41:10,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:41:10" (1/1) ... [2020-10-14 00:41:10,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8d836f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:10, skipping insertion in model container [2020-10-14 00:41:10,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:41:10" (1/1) ... [2020-10-14 00:41:10,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:41:10,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:41:10,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:41:10,915 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:41:11,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:41:11,053 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:41:11,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:11 WrapperNode [2020-10-14 00:41:11,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:41:11,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:41:11,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:41:11,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:41:11,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:11" (1/1) ... [2020-10-14 00:41:11,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:11" (1/1) ... [2020-10-14 00:41:11,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:11" (1/1) ... [2020-10-14 00:41:11,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:11" (1/1) ... [2020-10-14 00:41:11,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:11" (1/1) ... [2020-10-14 00:41:11,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:11" (1/1) ... [2020-10-14 00:41:11,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:11" (1/1) ... [2020-10-14 00:41:11,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:41:11,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:41:11,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:41:11,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:41:11,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:11" (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 00:41:11,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:41:11,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:41:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:41:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:41:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:41:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:41:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:41:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:41:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:41:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:41:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:41:12,347 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:41:12,347 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:41:12,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:41:12 BoogieIcfgContainer [2020-10-14 00:41:12,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:41:12,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:41:12,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:41:12,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:41:12,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:41:10" (1/3) ... [2020-10-14 00:41:12,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa62d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:41:12, skipping insertion in model container [2020-10-14 00:41:12,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:41:11" (2/3) ... [2020-10-14 00:41:12,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa62d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:41:12, skipping insertion in model container [2020-10-14 00:41:12,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:41:12" (3/3) ... [2020-10-14 00:41:12,363 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label02.c [2020-10-14 00:41:12,374 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:41:12,383 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:41:12,399 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:41:12,429 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:41:12,429 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:41:12,429 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:41:12,429 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:41:12,430 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:41:12,430 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:41:12,430 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:41:12,430 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:41:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-14 00:41:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-14 00:41:12,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:41:12,466 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] [2020-10-14 00:41:12,467 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:41:12,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:41:12,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1011489582, now seen corresponding path program 1 times [2020-10-14 00:41:12,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:41:12,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67264351] [2020-10-14 00:41:12,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:41:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:12,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:13,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:14,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:14,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-14 00:41:14,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:41:14,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1597 [2020-10-14 00:41:14,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:14,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:14,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:41:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:41:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 00:41:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:41:14,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:41:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:14,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:14,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:14,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:41:14,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:14,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:41:14,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:14,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:41:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:41:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:14,618 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 00:41:14,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67264351] [2020-10-14 00:41:14,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:41:14,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:41:14,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747587926] [2020-10-14 00:41:14,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:41:14,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:41:14,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:41:14,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:41:14,646 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-10-14 00:41:15,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:41:15,992 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-10-14 00:41:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:41:15,994 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2020-10-14 00:41:15,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:41:16,011 INFO L225 Difference]: With dead ends: 557 [2020-10-14 00:41:16,011 INFO L226 Difference]: Without dead ends: 286 [2020-10-14 00:41:16,019 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 00:41:16,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-14 00:41:16,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-10-14 00:41:16,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-14 00:41:16,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-10-14 00:41:16,102 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 96 [2020-10-14 00:41:16,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:41:16,103 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-10-14 00:41:16,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:41:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-10-14 00:41:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-14 00:41:16,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:41:16,110 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] [2020-10-14 00:41:16,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:41:16,111 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:41:16,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:41:16,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1321725755, now seen corresponding path program 1 times [2020-10-14 00:41:16,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:41:16,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316145277] [2020-10-14 00:41:16,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:41:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:16,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:16,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:16,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:16,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:16,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 00:41:16,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:41:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 842 [2020-10-14 00:41:16,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:16,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:41:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 00:41:16,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 00:41:16,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:41:17,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:41:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:17,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:17,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:41:17,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:17,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:41:17,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:17,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:17,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:41:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:41:17,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:17,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:41:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:17,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:17,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:17,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 00:41:17,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:17,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:41:17,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:17,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:41:17,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:17,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 00:41:17,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:17,263 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 00:41:17,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316145277] [2020-10-14 00:41:17,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:41:17,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:41:17,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385997937] [2020-10-14 00:41:17,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:41:17,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:41:17,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:41:17,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:41:17,268 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 5 states. [2020-10-14 00:41:18,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:41:18,340 INFO L93 Difference]: Finished difference Result 834 states and 1224 transitions. [2020-10-14 00:41:18,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:41:18,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-10-14 00:41:18,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:41:18,353 INFO L225 Difference]: With dead ends: 834 [2020-10-14 00:41:18,353 INFO L226 Difference]: Without dead ends: 560 [2020-10-14 00:41:18,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 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 00:41:18,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-14 00:41:18,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 554. [2020-10-14 00:41:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-14 00:41:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 783 transitions. [2020-10-14 00:41:18,427 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 783 transitions. Word has length 106 [2020-10-14 00:41:18,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:41:18,428 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 783 transitions. [2020-10-14 00:41:18,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:41:18,428 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 783 transitions. [2020-10-14 00:41:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-14 00:41:18,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:41:18,441 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-10-14 00:41:18,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:41:18,442 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:41:18,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:41:18,442 INFO L82 PathProgramCache]: Analyzing trace with hash -742908101, now seen corresponding path program 1 times [2020-10-14 00:41:18,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:41:18,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036384990] [2020-10-14 00:41:18,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:41:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:18,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:18,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:19,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:19,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:19,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 00:41:19,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:41:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1181 [2020-10-14 00:41:19,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:19,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:41:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 00:41:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 00:41:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:19,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:41:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:19,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:19,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:19,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:41:19,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:19,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:41:19,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:19,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:19,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:41:19,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:19,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:41:19,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:19,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:41:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:19,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:19,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:19,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:41:19,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:19,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 00:41:19,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:19,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:41:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 00:41:19,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:41:19,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036384990] [2020-10-14 00:41:19,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:41:19,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:41:19,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064146380] [2020-10-14 00:41:19,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:41:19,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:41:19,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:41:19,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:41:19,946 INFO L87 Difference]: Start difference. First operand 554 states and 783 transitions. Second operand 5 states. [2020-10-14 00:41:21,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:41:21,141 INFO L93 Difference]: Finished difference Result 1519 states and 2180 transitions. [2020-10-14 00:41:21,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:41:21,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-10-14 00:41:21,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:41:21,146 INFO L225 Difference]: With dead ends: 1519 [2020-10-14 00:41:21,147 INFO L226 Difference]: Without dead ends: 560 [2020-10-14 00:41:21,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 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 00:41:21,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-14 00:41:21,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 554. [2020-10-14 00:41:21,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-14 00:41:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 755 transitions. [2020-10-14 00:41:21,175 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 755 transitions. Word has length 113 [2020-10-14 00:41:21,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:41:21,175 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 755 transitions. [2020-10-14 00:41:21,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:41:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 755 transitions. [2020-10-14 00:41:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 00:41:21,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:41:21,178 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:41:21,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:41:21,179 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:41:21,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:41:21,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1486116395, now seen corresponding path program 1 times [2020-10-14 00:41:21,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:41:21,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [127756648] [2020-10-14 00:41:21,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:41:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:21,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:21,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:21,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:22,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:22,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:22,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 00:41:22,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:41:22,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1296 [2020-10-14 00:41:22,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:22,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:22,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:41:22,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-14 00:41:22,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 00:41:22,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:22,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:41:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:22,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:22,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:22,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:41:22,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:22,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:41:22,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:22,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:41:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:41:22,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:22,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:41:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:22,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:22,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:22,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 00:41:22,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:22,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 00:41:22,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:22,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:41:22,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:22,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 00:41:22,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:41:22,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [127756648] [2020-10-14 00:41:22,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:41:22,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 00:41:22,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193360979] [2020-10-14 00:41:22,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 00:41:22,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:41:22,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 00:41:22,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:41:22,808 INFO L87 Difference]: Start difference. First operand 554 states and 755 transitions. Second operand 6 states. [2020-10-14 00:41:24,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:41:24,465 INFO L93 Difference]: Finished difference Result 2208 states and 3143 transitions. [2020-10-14 00:41:24,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:41:24,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2020-10-14 00:41:24,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:41:24,498 INFO L225 Difference]: With dead ends: 2208 [2020-10-14 00:41:24,498 INFO L226 Difference]: Without dead ends: 1660 [2020-10-14 00:41:24,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 00:41:24,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2020-10-14 00:41:24,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1515. [2020-10-14 00:41:24,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-10-14 00:41:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1998 transitions. [2020-10-14 00:41:24,611 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1998 transitions. Word has length 121 [2020-10-14 00:41:24,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:41:24,612 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 1998 transitions. [2020-10-14 00:41:24,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 00:41:24,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1998 transitions. [2020-10-14 00:41:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 00:41:24,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:41:24,620 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:41:24,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:41:24,623 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:41:24,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:41:24,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1887777187, now seen corresponding path program 1 times [2020-10-14 00:41:24,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:41:24,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046710314] [2020-10-14 00:41:24,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:41:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:24,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:24,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:26,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:26,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:27,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:27,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 00:41:27,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:41:27,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3083 [2020-10-14 00:41:27,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:27,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:27,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:41:27,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-14 00:41:27,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 00:41:27,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:41:27,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:41:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:27,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:27,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:27,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:41:27,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:41:27,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:27,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:41:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:41:27,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:27,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:41:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:27,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:27,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:27,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 00:41:27,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:27,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 00:41:27,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:27,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:41:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:27,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 00:41:27,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:41:27,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046710314] [2020-10-14 00:41:27,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:41:27,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:41:27,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312569840] [2020-10-14 00:41:27,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:41:27,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:41:27,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:41:27,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:41:27,914 INFO L87 Difference]: Start difference. First operand 1515 states and 1998 transitions. Second operand 5 states. [2020-10-14 00:41:29,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:41:29,077 INFO L93 Difference]: Finished difference Result 3580 states and 4848 transitions. [2020-10-14 00:41:29,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:41:29,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-14 00:41:29,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:41:29,096 INFO L225 Difference]: With dead ends: 3580 [2020-10-14 00:41:29,096 INFO L226 Difference]: Without dead ends: 2071 [2020-10-14 00:41:29,104 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 00:41:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2020-10-14 00:41:29,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 1791. [2020-10-14 00:41:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1791 states. [2020-10-14 00:41:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2334 transitions. [2020-10-14 00:41:29,230 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2334 transitions. Word has length 125 [2020-10-14 00:41:29,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:41:29,231 INFO L479 AbstractCegarLoop]: Abstraction has 1791 states and 2334 transitions. [2020-10-14 00:41:29,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:41:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2334 transitions. [2020-10-14 00:41:29,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-14 00:41:29,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:41:29,238 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, 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] [2020-10-14 00:41:29,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:41:29,238 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:41:29,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:41:29,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1200674419, now seen corresponding path program 1 times [2020-10-14 00:41:29,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:41:29,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412765450] [2020-10-14 00:41:29,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:41:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:29,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:29,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:30,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:30,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:30,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-14 00:41:30,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:41:30,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1424 [2020-10-14 00:41:30,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:30,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:30,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:41:30,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 00:41:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 00:41:30,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:30,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:41:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:30,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:30,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:30,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:41:30,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:41:30,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:30,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:41:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:41:30,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:30,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:41:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:30,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:30,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:30,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 00:41:30,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:30,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 00:41:30,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:30,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:30,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:41:30,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 00:41:30,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:41:30,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412765450] [2020-10-14 00:41:30,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:41:30,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:41:30,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984927953] [2020-10-14 00:41:30,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:41:30,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:41:30,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:41:30,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:41:30,967 INFO L87 Difference]: Start difference. First operand 1791 states and 2334 transitions. Second operand 5 states. [2020-10-14 00:41:32,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:41:32,365 INFO L93 Difference]: Finished difference Result 5091 states and 6776 transitions. [2020-10-14 00:41:32,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:41:32,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-10-14 00:41:32,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:41:32,390 INFO L225 Difference]: With dead ends: 5091 [2020-10-14 00:41:32,390 INFO L226 Difference]: Without dead ends: 3306 [2020-10-14 00:41:32,397 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 00:41:32,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3306 states. [2020-10-14 00:41:32,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3306 to 3298. [2020-10-14 00:41:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3298 states. [2020-10-14 00:41:32,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 3298 states and 4282 transitions. [2020-10-14 00:41:32,533 INFO L78 Accepts]: Start accepts. Automaton has 3298 states and 4282 transitions. Word has length 149 [2020-10-14 00:41:32,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:41:32,533 INFO L479 AbstractCegarLoop]: Abstraction has 3298 states and 4282 transitions. [2020-10-14 00:41:32,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:41:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 4282 transitions. [2020-10-14 00:41:32,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-14 00:41:32,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:41:32,545 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:41:32,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:41:32,545 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:41:32,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:41:32,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1522392744, now seen corresponding path program 1 times [2020-10-14 00:41:32,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:41:32,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405006872] [2020-10-14 00:41:32,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:41:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:32,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:32,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:32,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:37,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:37,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:37,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 00:41:37,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:41:37,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 00:41:37,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:37,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:41:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 00:41:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 00:41:37,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:37,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:41:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:37,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:37,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:37,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:41:37,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:37,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:41:37,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:37,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:37,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:41:37,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:37,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:41:37,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:41:37,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:41:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:37,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:37,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:37,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 00:41:37,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:37,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:41:37,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:37,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:37,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:41:37,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:37,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:41:37,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:37,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 00:41:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:41:37,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:41:37,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:41:37,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 00:41:37,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:41:37,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 00:41:37,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:41:37,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:41:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:41:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:41:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 00:41:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:41:37,819 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 00:41:37,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405006872] [2020-10-14 00:41:37,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:41:37,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:41:37,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380230468] [2020-10-14 00:41:37,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:41:37,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:41:37,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:41:37,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:41:37,822 INFO L87 Difference]: Start difference. First operand 3298 states and 4282 transitions. Second operand 5 states. [2020-10-14 00:41:38,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:41:38,878 INFO L93 Difference]: Finished difference Result 7138 states and 9328 transitions. [2020-10-14 00:41:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:41:38,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2020-10-14 00:41:38,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:41:38,879 INFO L225 Difference]: With dead ends: 7138 [2020-10-14 00:41:38,880 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:41:38,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 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 00:41:38,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:41:38,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:41:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:41:38,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:41:38,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-10-14 00:41:38,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:41:38,895 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:41:38,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:41:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:41:38,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:41:38,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:41:38,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:41:39,336 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2020-10-14 00:41:39,495 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2020-10-14 00:41:40,018 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 48 [2020-10-14 00:41:40,171 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2020-10-14 00:41:40,284 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2020-10-14 00:41:40,289 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:41:40,289 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 00:41:40,290 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:41:40,290 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-14 00:41:40,290 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-14 00:41:40,290 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,290 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,290 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,291 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,291 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,291 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,291 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-14 00:41:40,291 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-14 00:41:40,291 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-14 00:41:40,291 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-14 00:41:40,292 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-14 00:41:40,292 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-14 00:41:40,292 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-14 00:41:40,292 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-14 00:41:40,292 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-14 00:41:40,292 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-14 00:41:40,292 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,293 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,293 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,293 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,293 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,293 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,293 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-14 00:41:40,293 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-14 00:41:40,293 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-14 00:41:40,294 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-14 00:41:40,294 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-14 00:41:40,294 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-14 00:41:40,294 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-14 00:41:40,294 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-14 00:41:40,294 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-14 00:41:40,294 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-14 00:41:40,294 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-14 00:41:40,295 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2020-10-14 00:41:40,295 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-14 00:41:40,295 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-14 00:41:40,295 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-14 00:41:40,295 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-14 00:41:40,296 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,296 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,296 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,296 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,296 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,296 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-14 00:41:40,296 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-14 00:41:40,297 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-14 00:41:40,297 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-14 00:41:40,297 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-14 00:41:40,297 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-14 00:41:40,297 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-14 00:41:40,297 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-14 00:41:40,297 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-14 00:41:40,297 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,298 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,298 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,298 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,298 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,298 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-14 00:41:40,298 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-14 00:41:40,298 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-14 00:41:40,298 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-14 00:41:40,299 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-14 00:41:40,299 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-14 00:41:40,299 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-14 00:41:40,299 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-14 00:41:40,299 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-14 00:41:40,299 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-14 00:41:40,299 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-14 00:41:40,299 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-14 00:41:40,299 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-14 00:41:40,300 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,300 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,300 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,300 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,300 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,300 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-14 00:41:40,300 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-14 00:41:40,301 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-14 00:41:40,301 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-14 00:41:40,301 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-14 00:41:40,301 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-14 00:41:40,301 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-14 00:41:40,301 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-14 00:41:40,301 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-14 00:41:40,301 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,302 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,302 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,302 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,302 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,302 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,302 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-14 00:41:40,302 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,302 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-14 00:41:40,302 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-14 00:41:40,303 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-14 00:41:40,303 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-14 00:41:40,303 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-14 00:41:40,303 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-14 00:41:40,303 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-14 00:41:40,303 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-14 00:41:40,303 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-14 00:41:40,303 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-14 00:41:40,304 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-14 00:41:40,304 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-14 00:41:40,304 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-14 00:41:40,304 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,304 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,304 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,304 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,305 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,305 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-14 00:41:40,305 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-14 00:41:40,305 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-14 00:41:40,305 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-14 00:41:40,305 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-14 00:41:40,305 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-14 00:41:40,305 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-14 00:41:40,306 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-14 00:41:40,306 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,306 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,306 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,306 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,306 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,306 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-14 00:41:40,307 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-14 00:41:40,307 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-14 00:41:40,307 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-14 00:41:40,307 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-14 00:41:40,307 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-14 00:41:40,307 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-14 00:41:40,307 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-14 00:41:40,307 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-14 00:41:40,308 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-14 00:41:40,308 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5))) (and (or (= |old(~a20~0)| 1) .cse0) (or (not (<= 1 |old(~a17~0)|)) (not (<= |old(~a17~0)| 1)) (and .cse1 (<= 1 ~a17~0) .cse2 .cse3 .cse4 .cse5 (<= ~a17~0 1))) (or .cse0 (= |old(~a21~0)| 1)) (or (not (<= |old(~a7~0)| 0)) .cse0) (or (and .cse6 .cse1 .cse2 .cse3 (= 14 ~a8~0) .cse4) (not (= 14 |old(~a8~0)|))) (or (not (<= 15 |old(~a8~0)|)) .cse0)))) [2020-10-14 00:41:40,308 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-14 00:41:40,308 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,308 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,309 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,309 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,309 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-14 00:41:40,309 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,309 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,309 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-14 00:41:40,309 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-14 00:41:40,310 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-14 00:41:40,310 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-14 00:41:40,310 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-14 00:41:40,310 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-14 00:41:40,310 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-14 00:41:40,310 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-14 00:41:40,310 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-14 00:41:40,310 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-14 00:41:40,311 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-14 00:41:40,311 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-14 00:41:40,311 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,311 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,311 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,311 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,311 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,311 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-14 00:41:40,312 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,312 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-14 00:41:40,312 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-14 00:41:40,312 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-14 00:41:40,312 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-14 00:41:40,312 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-14 00:41:40,312 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-14 00:41:40,313 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-14 00:41:40,313 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-14 00:41:40,313 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-14 00:41:40,313 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-14 00:41:40,313 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-14 00:41:40,313 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-14 00:41:40,314 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-14 00:41:40,314 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-14 00:41:40,314 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,314 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,314 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,314 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,314 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,315 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 00:41:40,315 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-14 00:41:40,315 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-14 00:41:40,315 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-14 00:41:40,315 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-14 00:41:40,315 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-14 00:41:40,315 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-14 00:41:40,316 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-14 00:41:40,316 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-14 00:41:40,316 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-14 00:41:40,316 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-14 00:41:40,316 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:41:40,316 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~a17~0) (<= ~a7~0 0) (<= ~a17~0 1) (<= 5 ~a16~0) (<= 15 ~a8~0)) [2020-10-14 00:41:40,317 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:41:40,317 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:41:40,317 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|)) (not (<= 1 |old(~a17~0)|)) (not (<= |old(~a17~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (<= 1 ~a17~0) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (<= ~a17~0 1))) [2020-10-14 00:41:40,317 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-14 00:41:40,317 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (and (<= 1 ~a17~0) (<= ~a17~0 1)) (not (<= |old(~a7~0)| 0)) (= 14 ~a8~0) (not (<= 1 |old(~a17~0)|)) (not (<= 15 |old(~a8~0)|)) (not (= ~a21~0 1)) (<= ~a7~0 0) (not (<= |old(~a17~0)| 1)) (not (= ~a20~0 1)) (<= 15 ~a8~0)) [2020-10-14 00:41:40,318 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-14 00:41:40,318 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-14 00:41:40,318 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (and (<= 1 ~a17~0) (<= ~a17~0 1)) (not (<= |old(~a7~0)| 0)) (= 14 ~a8~0) (not (<= 1 |old(~a17~0)|)) (not (<= 15 |old(~a8~0)|)) (not (= ~a21~0 1)) (<= ~a7~0 0) (not (<= |old(~a17~0)| 1)) (not (= ~a20~0 1)) (<= 15 ~a8~0)) [2020-10-14 00:41:40,318 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-14 00:41:40,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:41:40 BoogieIcfgContainer [2020-10-14 00:41:40,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:41:40,346 INFO L168 Benchmark]: Toolchain (without parser) took 30094.95 ms. Allocated memory was 146.3 MB in the beginning and 758.6 MB in the end (delta: 612.4 MB). Free memory was 100.3 MB in the beginning and 350.3 MB in the end (delta: -250.0 MB). Peak memory consumption was 362.4 MB. Max. memory is 7.1 GB. [2020-10-14 00:41:40,347 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 00:41:40,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.33 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 100.3 MB in the beginning and 170.3 MB in the end (delta: -70.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2020-10-14 00:41:40,349 INFO L168 Benchmark]: Boogie Preprocessor took 106.12 ms. Allocated memory is still 205.0 MB. Free memory was 170.3 MB in the beginning and 165.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-14 00:41:40,350 INFO L168 Benchmark]: RCFGBuilder took 1193.71 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 179.0 MB in the end (delta: -13.8 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-10-14 00:41:40,351 INFO L168 Benchmark]: TraceAbstraction took 27987.76 ms. Allocated memory was 238.0 MB in the beginning and 758.6 MB in the end (delta: 520.6 MB). Free memory was 179.0 MB in the beginning and 350.3 MB in the end (delta: -171.4 MB). Peak memory consumption was 349.2 MB. Max. memory is 7.1 GB. [2020-10-14 00:41:40,357 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 802.33 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 100.3 MB in the beginning and 170.3 MB in the end (delta: -70.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.12 ms. Allocated memory is still 205.0 MB. Free memory was 170.3 MB in the beginning and 165.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1193.71 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 179.0 MB in the end (delta: -13.8 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27987.76 ms. Allocated memory was 238.0 MB in the beginning and 758.6 MB in the end (delta: 520.6 MB). Free memory was 179.0 MB in the beginning and 350.3 MB in the end (delta: -171.4 MB). Peak memory consumption was 349.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 446]: 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: (((((((((!(5 <= \old(a16)) || (1 <= a17 && a17 <= 1)) || !(\old(a7) <= 0)) || 14 == a8) || !(1 <= \old(a17))) || !(15 <= \old(a8))) || !(a21 == 1)) || a7 <= 0) || !(\old(a17) <= 1)) || !(a20 == 1)) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.4s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 176 SDtfs, 2199 SDslu, 124 SDs, 0 SdLazy, 4268 SolverSat, 563 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3298occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 451 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 97 PreInvPairs, 161 NumberOfFragments, 358 HoareAnnotationTreeSize, 97 FomulaSimplifications, 47074 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2916 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 872 ConstructedInterpolants, 0 QuantifiedInterpolants, 400698 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 189/196 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...