/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:55:05,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:55:05,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:55:05,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:55:05,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:55:05,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:55:05,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:55:05,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:55:05,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:55:05,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:55:05,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:55:05,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:55:05,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:55:05,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:55:05,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:55:05,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:55:05,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:55:05,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:55:05,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:55:05,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:55:05,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:55:05,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:55:05,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:55:05,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:55:05,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:55:05,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:55:05,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:55:05,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:55:05,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:55:05,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:55:05,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:55:05,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:55:05,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:55:05,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:55:05,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:55:05,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:55:05,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:55:05,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:55:05,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:55:05,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:55:05,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:55:05,935 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 20:55:05,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:55:05,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:55:05,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:55:05,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:55:05,960 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:55:05,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:55:05,960 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:55:05,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:55:05,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:55:05,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:55:05,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:55:05,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:55:05,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:55:05,962 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:55:05,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:55:05,962 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:55:05,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:55:05,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:55:05,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:55:05,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:55:05,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:55:05,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:55:05,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:55:05,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:55:05,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:55:05,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:55:05,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:55:05,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:55:05,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:55:05,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:55:06,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:55:06,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:55:06,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:55:06,300 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:55:06,300 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:55:06,301 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label03.c [2020-10-14 20:55:06,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4fef1f13c/280063334b1049c68103f351cfa36c1c/FLAG3b6310a7d [2020-10-14 20:55:06,912 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:55:06,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label03.c [2020-10-14 20:55:06,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4fef1f13c/280063334b1049c68103f351cfa36c1c/FLAG3b6310a7d [2020-10-14 20:55:07,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4fef1f13c/280063334b1049c68103f351cfa36c1c [2020-10-14 20:55:07,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:55:07,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:55:07,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:55:07,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:55:07,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:55:07,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:55:07" (1/1) ... [2020-10-14 20:55:07,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:07, skipping insertion in model container [2020-10-14 20:55:07,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:55:07" (1/1) ... [2020-10-14 20:55:07,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:55:07,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:55:08,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:55:08,147 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:55:08,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:55:08,475 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:55:08,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:08 WrapperNode [2020-10-14 20:55:08,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:55:08,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:55:08,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:55:08,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:55:08,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:08" (1/1) ... [2020-10-14 20:55:08,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:08" (1/1) ... [2020-10-14 20:55:08,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:08" (1/1) ... [2020-10-14 20:55:08,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:08" (1/1) ... [2020-10-14 20:55:08,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:08" (1/1) ... [2020-10-14 20:55:08,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:08" (1/1) ... [2020-10-14 20:55:08,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:08" (1/1) ... [2020-10-14 20:55:08,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:55:08,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:55:08,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:55:08,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:55:08,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:08" (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 20:55:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:55:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:55:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:55:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:55:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:55:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:55:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:55:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:55:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:55:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:55:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:55:10,552 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:55:10,552 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:55:10,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:55:10 BoogieIcfgContainer [2020-10-14 20:55:10,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:55:10,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:55:10,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:55:10,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:55:10,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:55:07" (1/3) ... [2020-10-14 20:55:10,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6776da80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:55:10, skipping insertion in model container [2020-10-14 20:55:10,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:55:08" (2/3) ... [2020-10-14 20:55:10,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6776da80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:55:10, skipping insertion in model container [2020-10-14 20:55:10,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:55:10" (3/3) ... [2020-10-14 20:55:10,569 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label03.c [2020-10-14 20:55:10,581 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:55:10,590 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:55:10,607 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:55:10,636 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:55:10,636 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:55:10,637 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:55:10,637 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:55:10,637 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:55:10,637 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:55:10,637 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:55:10,638 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:55:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 20:55:10,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 20:55:10,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:10,676 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] [2020-10-14 20:55:10,677 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:10,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:10,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1474349029, now seen corresponding path program 1 times [2020-10-14 20:55:10,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:10,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855888927] [2020-10-14 20:55:10,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:11,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 20:55:11,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:11,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 396 [2020-10-14 20:55:11,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:55:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:55:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 20:55:11,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:55:11,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:11,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:11,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:11,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:11,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:11,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 20:55:11,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:11,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:11,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:55:11,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:11,555 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 20:55:11,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855888927] [2020-10-14 20:55:11,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:55:11,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 20:55:11,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968893071] [2020-10-14 20:55:11,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:11,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:11,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:11,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:11,590 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 5 states. [2020-10-14 20:55:14,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:14,905 INFO L93 Difference]: Finished difference Result 999 states and 1796 transitions. [2020-10-14 20:55:14,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:55:14,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-14 20:55:14,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:14,929 INFO L225 Difference]: With dead ends: 999 [2020-10-14 20:55:14,930 INFO L226 Difference]: Without dead ends: 639 [2020-10-14 20:55:14,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:14,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2020-10-14 20:55:15,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 621. [2020-10-14 20:55:15,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-14 20:55:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 903 transitions. [2020-10-14 20:55:15,038 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 903 transitions. Word has length 36 [2020-10-14 20:55:15,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:15,039 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 903 transitions. [2020-10-14 20:55:15,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 903 transitions. [2020-10-14 20:55:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-14 20:55:15,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:15,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:15,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:55:15,046 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:15,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:15,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1047026878, now seen corresponding path program 1 times [2020-10-14 20:55:15,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:15,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2111542530] [2020-10-14 20:55:15,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:15,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:15,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:16,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:16,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:55:16,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:16,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 969 [2020-10-14 20:55:16,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:16,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:55:16,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:55:16,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:55:16,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:55:16,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:16,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:16,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:16,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:16,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:16,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 20:55:16,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:16,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:16,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:55:16,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:16,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:16,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:16,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:16,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:55:16,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:16,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-14 20:55:16,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:16,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:16,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:16,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:16,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 20:55:16,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 20:55:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:55:16,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2111542530] [2020-10-14 20:55:16,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:55:16,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:55:16,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960056469] [2020-10-14 20:55:16,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:16,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:16,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:16,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:16,567 INFO L87 Difference]: Start difference. First operand 621 states and 903 transitions. Second operand 7 states. [2020-10-14 20:55:18,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:18,890 INFO L93 Difference]: Finished difference Result 1871 states and 2808 transitions. [2020-10-14 20:55:18,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:55:18,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2020-10-14 20:55:18,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:18,900 INFO L225 Difference]: With dead ends: 1871 [2020-10-14 20:55:18,901 INFO L226 Difference]: Without dead ends: 1256 [2020-10-14 20:55:18,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:18,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2020-10-14 20:55:18,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1224. [2020-10-14 20:55:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1224 states. [2020-10-14 20:55:18,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1642 transitions. [2020-10-14 20:55:18,976 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1642 transitions. Word has length 106 [2020-10-14 20:55:18,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:18,976 INFO L479 AbstractCegarLoop]: Abstraction has 1224 states and 1642 transitions. [2020-10-14 20:55:18,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:18,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1642 transitions. [2020-10-14 20:55:18,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 20:55:18,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:18,981 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:18,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:55:18,982 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:18,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:18,982 INFO L82 PathProgramCache]: Analyzing trace with hash -465501430, now seen corresponding path program 1 times [2020-10-14 20:55:18,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:18,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489430193] [2020-10-14 20:55:18,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:19,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:19,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:19,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:20,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:20,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:55:20,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:55:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1126 [2020-10-14 20:55:20,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:20,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:55:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:55:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 20:55:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:20,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:20,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:20,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:20,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:20,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:20,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:55:20,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:20,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:20,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:55:20,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:20,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:20,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:20,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:20,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 20:55:20,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 20:55:20,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:20,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:20,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 20:55:20,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:55:20,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489430193] [2020-10-14 20:55:20,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:55:20,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:55:20,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658384953] [2020-10-14 20:55:20,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:20,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:20,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:20,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:20,449 INFO L87 Difference]: Start difference. First operand 1224 states and 1642 transitions. Second operand 7 states. [2020-10-14 20:55:22,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:22,962 INFO L93 Difference]: Finished difference Result 2879 states and 3866 transitions. [2020-10-14 20:55:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:55:22,962 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2020-10-14 20:55:22,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:22,975 INFO L225 Difference]: With dead ends: 2879 [2020-10-14 20:55:22,975 INFO L226 Difference]: Without dead ends: 1661 [2020-10-14 20:55:22,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:55:22,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2020-10-14 20:55:23,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1619. [2020-10-14 20:55:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1619 states. [2020-10-14 20:55:23,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2089 transitions. [2020-10-14 20:55:23,054 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2089 transitions. Word has length 116 [2020-10-14 20:55:23,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:23,055 INFO L479 AbstractCegarLoop]: Abstraction has 1619 states and 2089 transitions. [2020-10-14 20:55:23,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2089 transitions. [2020-10-14 20:55:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-14 20:55:23,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:23,070 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:23,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:55:23,070 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:23,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:23,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1289962020, now seen corresponding path program 1 times [2020-10-14 20:55:23,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:23,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668127087] [2020-10-14 20:55:23,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:23,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:23,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:23,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 20:55:23,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:23,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-14 20:55:23,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:23,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:23,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:23,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:55:23,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 20:55:23,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:23,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:23,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:23,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:23,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:23,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:55:23,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:23,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:23,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:23,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:23,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:23,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:23,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:23,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:23,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:23,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:55:23,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-14 20:55:23,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:23,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:55:23,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:55:24,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668127087] [2020-10-14 20:55:24,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:24,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:55:24,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736105660] [2020-10-14 20:55:24,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:24,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:24,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:24,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:24,020 INFO L87 Difference]: Start difference. First operand 1619 states and 2089 transitions. Second operand 5 states. [2020-10-14 20:55:26,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:26,329 INFO L93 Difference]: Finished difference Result 3258 states and 4407 transitions. [2020-10-14 20:55:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:26,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-14 20:55:26,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:26,343 INFO L225 Difference]: With dead ends: 3258 [2020-10-14 20:55:26,343 INFO L226 Difference]: Without dead ends: 2023 [2020-10-14 20:55:26,347 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 20:55:26,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states. [2020-10-14 20:55:26,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 2009. [2020-10-14 20:55:26,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2020-10-14 20:55:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2602 transitions. [2020-10-14 20:55:26,405 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2602 transitions. Word has length 167 [2020-10-14 20:55:26,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:26,406 INFO L479 AbstractCegarLoop]: Abstraction has 2009 states and 2602 transitions. [2020-10-14 20:55:26,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2602 transitions. [2020-10-14 20:55:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-14 20:55:26,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:26,411 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:26,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:55:26,412 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:26,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:26,412 INFO L82 PathProgramCache]: Analyzing trace with hash -126956401, now seen corresponding path program 1 times [2020-10-14 20:55:26,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:26,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520501117] [2020-10-14 20:55:26,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:26,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:26,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:27,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:28,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:28,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-14 20:55:28,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:55:28,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1882 [2020-10-14 20:55:28,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:28,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 20:55:28,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:55:28,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:28,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:28,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:28,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:28,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:28,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:28,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:55:28,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:28,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:28,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:28,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:28,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:28,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:28,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:28,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:28,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:55:28,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 20:55:28,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:28,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:55:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:28,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:55:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:28,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:28,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:28,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:55:28,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:28,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 20:55:28,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:28,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:55:28,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:55:28,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520501117] [2020-10-14 20:55:28,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:28,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:28,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280501680] [2020-10-14 20:55:28,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:28,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:28,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:28,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:28,960 INFO L87 Difference]: Start difference. First operand 2009 states and 2602 transitions. Second operand 7 states. [2020-10-14 20:55:31,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:31,848 INFO L93 Difference]: Finished difference Result 4121 states and 5743 transitions. [2020-10-14 20:55:31,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:55:31,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-10-14 20:55:31,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:31,871 INFO L225 Difference]: With dead ends: 4121 [2020-10-14 20:55:31,871 INFO L226 Difference]: Without dead ends: 2496 [2020-10-14 20:55:31,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:31,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-14 20:55:31,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2418. [2020-10-14 20:55:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2418 states. [2020-10-14 20:55:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3111 transitions. [2020-10-14 20:55:31,964 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3111 transitions. Word has length 226 [2020-10-14 20:55:31,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:31,964 INFO L479 AbstractCegarLoop]: Abstraction has 2418 states and 3111 transitions. [2020-10-14 20:55:31,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:31,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3111 transitions. [2020-10-14 20:55:31,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-14 20:55:31,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:31,969 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:31,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:55:31,970 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:31,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:31,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1887229851, now seen corresponding path program 1 times [2020-10-14 20:55:31,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:31,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748314143] [2020-10-14 20:55:31,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:32,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:32,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:32,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:32,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-14 20:55:32,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:32,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 926 [2020-10-14 20:55:32,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:32,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:55:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 20:55:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:33,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:33,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:33,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:33,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:33,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:33,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:55:33,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:33,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:33,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:33,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:33,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:33,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:33,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:33,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:55:33,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:33,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 20:55:33,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:33,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:33,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:33,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:33,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:33,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:33,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:55:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:33,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:33,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:33,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:55:33,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:33,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 20:55:33,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:33,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:33,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:55:33,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 20:55:33,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748314143] [2020-10-14 20:55:33,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:33,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:55:33,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591759587] [2020-10-14 20:55:33,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:33,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:33,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:33,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:33,412 INFO L87 Difference]: Start difference. First operand 2418 states and 3111 transitions. Second operand 5 states. [2020-10-14 20:55:35,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:35,525 INFO L93 Difference]: Finished difference Result 4864 states and 6484 transitions. [2020-10-14 20:55:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:35,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-10-14 20:55:35,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:35,543 INFO L225 Difference]: With dead ends: 4864 [2020-10-14 20:55:35,543 INFO L226 Difference]: Without dead ends: 2830 [2020-10-14 20:55:35,549 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 20:55:35,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2020-10-14 20:55:35,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2810. [2020-10-14 20:55:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2810 states. [2020-10-14 20:55:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2810 states and 3720 transitions. [2020-10-14 20:55:35,624 INFO L78 Accepts]: Start accepts. Automaton has 2810 states and 3720 transitions. Word has length 236 [2020-10-14 20:55:35,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:35,625 INFO L479 AbstractCegarLoop]: Abstraction has 2810 states and 3720 transitions. [2020-10-14 20:55:35,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:35,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 3720 transitions. [2020-10-14 20:55:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-14 20:55:35,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:35,630 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:35,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:55:35,630 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:35,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:35,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1973304981, now seen corresponding path program 1 times [2020-10-14 20:55:35,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:35,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646582052] [2020-10-14 20:55:35,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:35,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:35,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:35,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:37,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:37,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:39,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:40,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:40,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-14 20:55:40,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 20:55:40,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4930 [2020-10-14 20:55:40,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:40,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:55:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:55:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 20:55:40,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:40,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:40,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:40,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:40,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:40,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:40,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:55:40,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:40,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:40,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:40,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:40,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:40,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:40,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:40,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:40,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:40,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:40,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:55:40,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:40,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 20:55:40,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:40,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:55:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:55:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:55:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:41,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:41,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:41,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:41,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 20:55:41,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:41,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-14 20:55:41,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:41,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:41,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:41,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 20:55:41,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 104 proven. 29 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:55:41,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646582052] [2020-10-14 20:55:41,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:41,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:41,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462794987] [2020-10-14 20:55:41,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:41,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:41,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:41,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:41,332 INFO L87 Difference]: Start difference. First operand 2810 states and 3720 transitions. Second operand 7 states. [2020-10-14 20:55:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:45,123 INFO L93 Difference]: Finished difference Result 8679 states and 12196 transitions. [2020-10-14 20:55:45,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:55:45,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-10-14 20:55:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:45,157 INFO L225 Difference]: With dead ends: 8679 [2020-10-14 20:55:45,158 INFO L226 Difference]: Without dead ends: 6253 [2020-10-14 20:55:45,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:45,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6253 states. [2020-10-14 20:55:45,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6253 to 5872. [2020-10-14 20:55:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5872 states. [2020-10-14 20:55:45,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5872 states to 5872 states and 7801 transitions. [2020-10-14 20:55:45,318 INFO L78 Accepts]: Start accepts. Automaton has 5872 states and 7801 transitions. Word has length 247 [2020-10-14 20:55:45,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:45,318 INFO L479 AbstractCegarLoop]: Abstraction has 5872 states and 7801 transitions. [2020-10-14 20:55:45,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:45,319 INFO L276 IsEmpty]: Start isEmpty. Operand 5872 states and 7801 transitions. [2020-10-14 20:55:45,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-14 20:55:45,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:45,326 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:55:45,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:55:45,326 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:45,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:45,327 INFO L82 PathProgramCache]: Analyzing trace with hash -401555632, now seen corresponding path program 1 times [2020-10-14 20:55:45,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:45,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756211053] [2020-10-14 20:55:45,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:45,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:46,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:46,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-14 20:55:46,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 811 [2020-10-14 20:55:46,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:46,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:46,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:46,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-14 20:55:46,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 20:55:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:46,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:46,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:46,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:46,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:46,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:55:46,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:46,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:46,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:46,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:46,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:46,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:46,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:55:46,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:46,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 20:55:46,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:46,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:46,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:46,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:55:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:46,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:46,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:46,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 20:55:46,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:46,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 20:55:46,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:46,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 20:55:46,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 20:55:46,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756211053] [2020-10-14 20:55:46,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:46,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:55:46,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465328735] [2020-10-14 20:55:46,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:55:46,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:46,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:55:46,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:46,674 INFO L87 Difference]: Start difference. First operand 5872 states and 7801 transitions. Second operand 6 states. [2020-10-14 20:55:50,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:50,291 INFO L93 Difference]: Finished difference Result 14622 states and 20237 transitions. [2020-10-14 20:55:50,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:55:50,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 263 [2020-10-14 20:55:50,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:50,340 INFO L225 Difference]: With dead ends: 14622 [2020-10-14 20:55:50,341 INFO L226 Difference]: Without dead ends: 9134 [2020-10-14 20:55:50,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:55:50,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9134 states. [2020-10-14 20:55:50,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9134 to 8379. [2020-10-14 20:55:50,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8379 states. [2020-10-14 20:55:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8379 states to 8379 states and 11265 transitions. [2020-10-14 20:55:50,637 INFO L78 Accepts]: Start accepts. Automaton has 8379 states and 11265 transitions. Word has length 263 [2020-10-14 20:55:50,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:50,639 INFO L479 AbstractCegarLoop]: Abstraction has 8379 states and 11265 transitions. [2020-10-14 20:55:50,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:55:50,640 INFO L276 IsEmpty]: Start isEmpty. Operand 8379 states and 11265 transitions. [2020-10-14 20:55:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-14 20:55:50,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:50,651 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:50,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:55:50,651 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:50,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:50,652 INFO L82 PathProgramCache]: Analyzing trace with hash -96859426, now seen corresponding path program 1 times [2020-10-14 20:55:50,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:50,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386676153] [2020-10-14 20:55:50,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:50,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:51,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:51,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:52,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:52,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:52,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-14 20:55:52,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:55:52,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1593 [2020-10-14 20:55:52,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:52,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:55:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 20:55:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 20:55:52,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:52,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:52,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:52,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:52,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:52,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:52,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:55:52,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:52,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:52,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:52,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:52,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:52,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:52,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:52,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:52,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:52,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 20:55:52,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:52,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-14 20:55:52,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:52,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:55:52,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:52,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 20:55:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:52,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:52,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:53,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:53,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 20:55:53,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:53,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-14 20:55:53,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:53,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:53,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 20:55:53,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 104 proven. 29 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:55:53,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386676153] [2020-10-14 20:55:53,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:53,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:53,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669606319] [2020-10-14 20:55:53,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:53,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:53,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:53,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:53,186 INFO L87 Difference]: Start difference. First operand 8379 states and 11265 transitions. Second operand 7 states. [2020-10-14 20:55:56,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:56,844 INFO L93 Difference]: Finished difference Result 20249 states and 27650 transitions. [2020-10-14 20:55:56,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:55:56,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 263 [2020-10-14 20:55:56,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:56,899 INFO L225 Difference]: With dead ends: 20249 [2020-10-14 20:55:56,899 INFO L226 Difference]: Without dead ends: 12254 [2020-10-14 20:55:56,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:56,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12254 states. [2020-10-14 20:55:57,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12254 to 12055. [2020-10-14 20:55:57,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12055 states. [2020-10-14 20:55:57,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12055 states to 12055 states and 15858 transitions. [2020-10-14 20:55:57,173 INFO L78 Accepts]: Start accepts. Automaton has 12055 states and 15858 transitions. Word has length 263 [2020-10-14 20:55:57,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:57,174 INFO L479 AbstractCegarLoop]: Abstraction has 12055 states and 15858 transitions. [2020-10-14 20:55:57,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:57,174 INFO L276 IsEmpty]: Start isEmpty. Operand 12055 states and 15858 transitions. [2020-10-14 20:55:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-14 20:55:57,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:57,190 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:55:57,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:55:57,191 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:57,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:57,191 INFO L82 PathProgramCache]: Analyzing trace with hash -583091856, now seen corresponding path program 1 times [2020-10-14 20:55:57,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:57,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776642399] [2020-10-14 20:55:57,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:57,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:57,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:58,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:58,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-14 20:55:58,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:58,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1212 [2020-10-14 20:55:58,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:58,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:58,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:58,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:55:58,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 20:55:58,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:58,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:58,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:58,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:58,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:58,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:58,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:55:58,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:58,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:58,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:58,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:58,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:58,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:58,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:58,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:58,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:58,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:55:58,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:58,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-14 20:55:58,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:58,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:58,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:55:58,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:58,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:55:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:59,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:59,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:59,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 20:55:59,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:59,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-14 20:55:59,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:59,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:59,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:55:59,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:55:59,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776642399] [2020-10-14 20:55:59,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:59,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:59,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836614000] [2020-10-14 20:55:59,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:59,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:59,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:59,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:59,330 INFO L87 Difference]: Start difference. First operand 12055 states and 15858 transitions. Second operand 7 states. [2020-10-14 20:56:03,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:03,061 INFO L93 Difference]: Finished difference Result 27578 states and 36936 transitions. [2020-10-14 20:56:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:56:03,062 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 277 [2020-10-14 20:56:03,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:03,120 INFO L225 Difference]: With dead ends: 27578 [2020-10-14 20:56:03,120 INFO L226 Difference]: Without dead ends: 15919 [2020-10-14 20:56:03,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:56:03,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15919 states. [2020-10-14 20:56:03,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15919 to 14957. [2020-10-14 20:56:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14957 states. [2020-10-14 20:56:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14957 states to 14957 states and 19490 transitions. [2020-10-14 20:56:03,636 INFO L78 Accepts]: Start accepts. Automaton has 14957 states and 19490 transitions. Word has length 277 [2020-10-14 20:56:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:03,636 INFO L479 AbstractCegarLoop]: Abstraction has 14957 states and 19490 transitions. [2020-10-14 20:56:03,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:56:03,637 INFO L276 IsEmpty]: Start isEmpty. Operand 14957 states and 19490 transitions. [2020-10-14 20:56:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-10-14 20:56:03,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:03,648 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:56:03,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:56:03,648 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:03,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:03,649 INFO L82 PathProgramCache]: Analyzing trace with hash -194392515, now seen corresponding path program 1 times [2020-10-14 20:56:03,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:03,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311643142] [2020-10-14 20:56:03,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:03,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:04,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:04,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:04,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-14 20:56:04,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:56:04,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 982 [2020-10-14 20:56:04,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:04,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-10-14 20:56:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 20:56:04,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:04,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:04,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:04,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:04,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:04,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:04,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:56:04,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:04,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:04,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:04,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:04,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:04,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:04,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:04,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:56:04,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:04,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 20:56:04,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:04,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:04,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:04,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:04,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:04,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:56:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:05,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:05,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:05,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 20:56:05,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:05,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-14 20:56:05,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:05,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 20:56:05,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-14 20:56:05,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311643142] [2020-10-14 20:56:05,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:05,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:56:05,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259823932] [2020-10-14 20:56:05,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:56:05,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:05,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:56:05,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:56:05,308 INFO L87 Difference]: Start difference. First operand 14957 states and 19490 transitions. Second operand 5 states. [2020-10-14 20:56:08,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:08,304 INFO L93 Difference]: Finished difference Result 33360 states and 44304 transitions. [2020-10-14 20:56:08,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:56:08,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 306 [2020-10-14 20:56:08,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:08,368 INFO L225 Difference]: With dead ends: 33360 [2020-10-14 20:56:08,368 INFO L226 Difference]: Without dead ends: 18799 [2020-10-14 20:56:08,402 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 20:56:08,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18799 states. [2020-10-14 20:56:08,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18799 to 18775. [2020-10-14 20:56:08,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18775 states. [2020-10-14 20:56:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18775 states to 18775 states and 24487 transitions. [2020-10-14 20:56:08,832 INFO L78 Accepts]: Start accepts. Automaton has 18775 states and 24487 transitions. Word has length 306 [2020-10-14 20:56:08,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:08,833 INFO L479 AbstractCegarLoop]: Abstraction has 18775 states and 24487 transitions. [2020-10-14 20:56:08,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:56:08,834 INFO L276 IsEmpty]: Start isEmpty. Operand 18775 states and 24487 transitions. [2020-10-14 20:56:08,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-14 20:56:08,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:08,858 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:56:08,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:56:08,859 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:08,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:08,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1157234974, now seen corresponding path program 1 times [2020-10-14 20:56:08,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:08,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898149102] [2020-10-14 20:56:08,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:08,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:09,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:09,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:10,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:12,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:13,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:13,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-14 20:56:13,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:56:13,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 20:56:13,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:13,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 20:56:13,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:56:13,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 310 [2020-10-14 20:56:13,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:14,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:14,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:14,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:14,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:14,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:56:14,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:14,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:56:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:14,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:14,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:14,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:14,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:56:14,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:14,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 20:56:14,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:14,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:14,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:14,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:14,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 20:56:14,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:14,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:56:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:14,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:14,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:14,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 20:56:14,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:14,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-14 20:56:14,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:14,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:56:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 20:56:14,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:14,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-14 20:56:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:14,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:14,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:14,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 20:56:14,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:14,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-14 20:56:14,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:14,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:14,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:14,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:14,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 20:56:14,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 96 proven. 152 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-14 20:56:15,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898149102] [2020-10-14 20:56:15,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:15,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 20:56:15,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085574126] [2020-10-14 20:56:15,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 20:56:15,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:15,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 20:56:15,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:56:15,107 INFO L87 Difference]: Start difference. First operand 18775 states and 24487 transitions. Second operand 10 states. [2020-10-14 20:56:20,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:20,847 INFO L93 Difference]: Finished difference Result 49883 states and 66944 transitions. [2020-10-14 20:56:20,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 20:56:20,848 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 336 [2020-10-14 20:56:20,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:21,144 INFO L225 Difference]: With dead ends: 49883 [2020-10-14 20:56:21,144 INFO L226 Difference]: Without dead ends: 31310 [2020-10-14 20:56:21,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-14 20:56:21,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31310 states. [2020-10-14 20:56:21,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31310 to 29946. [2020-10-14 20:56:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29946 states. [2020-10-14 20:56:21,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29946 states to 29946 states and 38835 transitions. [2020-10-14 20:56:21,839 INFO L78 Accepts]: Start accepts. Automaton has 29946 states and 38835 transitions. Word has length 336 [2020-10-14 20:56:21,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:21,840 INFO L479 AbstractCegarLoop]: Abstraction has 29946 states and 38835 transitions. [2020-10-14 20:56:21,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 20:56:21,840 INFO L276 IsEmpty]: Start isEmpty. Operand 29946 states and 38835 transitions. [2020-10-14 20:56:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-14 20:56:21,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:21,869 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:56:21,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:56:21,870 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:21,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:21,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1519095355, now seen corresponding path program 1 times [2020-10-14 20:56:21,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:21,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395978511] [2020-10-14 20:56:21,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:21,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:22,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:22,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:23,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:25,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:25,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-14 20:56:25,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:56:25,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3874 [2020-10-14 20:56:25,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:25,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:25,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:25,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:56:25,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 20:56:25,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:25,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:25,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:25,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:25,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:25,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:25,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:56:25,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:25,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:25,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:25,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:25,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:25,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:25,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:25,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:56:25,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:25,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 20:56:25,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:25,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:25,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:25,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:25,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:56:25,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:26,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:56:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:26,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:26,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:26,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 20:56:26,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:26,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 20:56:26,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:26,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:26,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:26,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:26,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 20:56:26,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:26,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-14 20:56:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:26,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:26,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:26,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 20:56:26,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-14 20:56:26,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:26,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 20:56:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:26,453 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 199 proven. 79 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-14 20:56:26,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395978511] [2020-10-14 20:56:26,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:26,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:56:26,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327240222] [2020-10-14 20:56:26,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:56:26,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:26,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:56:26,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:56:26,455 INFO L87 Difference]: Start difference. First operand 29946 states and 38835 transitions. Second operand 7 states. [2020-10-14 20:56:30,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:30,496 INFO L93 Difference]: Finished difference Result 61552 states and 80002 transitions. [2020-10-14 20:56:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:56:30,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 360 [2020-10-14 20:56:30,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:30,597 INFO L225 Difference]: With dead ends: 61552 [2020-10-14 20:56:30,597 INFO L226 Difference]: Without dead ends: 32000 [2020-10-14 20:56:30,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:56:30,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32000 states. [2020-10-14 20:56:31,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32000 to 29892. [2020-10-14 20:56:31,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29892 states. [2020-10-14 20:56:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29892 states to 29892 states and 38254 transitions. [2020-10-14 20:56:31,270 INFO L78 Accepts]: Start accepts. Automaton has 29892 states and 38254 transitions. Word has length 360 [2020-10-14 20:56:31,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:31,270 INFO L479 AbstractCegarLoop]: Abstraction has 29892 states and 38254 transitions. [2020-10-14 20:56:31,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:56:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 29892 states and 38254 transitions. [2020-10-14 20:56:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-10-14 20:56:31,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:31,289 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:56:31,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:56:31,289 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:31,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:31,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1344807750, now seen corresponding path program 1 times [2020-10-14 20:56:31,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:31,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658165480] [2020-10-14 20:56:31,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:31,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:31,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:31,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:31,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:33,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:34,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:36,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:36,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-14 20:56:36,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 20:56:36,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 20:56:36,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:36,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:36,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:56:36,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:56:36,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 252 [2020-10-14 20:56:36,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:36,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:36,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:36,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:36,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:36,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:36,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:56:36,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:36,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:56:36,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:36,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:36,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:36,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:36,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 20:56:36,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:36,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-14 20:56:36,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:36,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 20:56:36,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:36,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 20:56:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:36,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:36,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:36,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:56:36,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:36,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 20:56:36,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:36,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:56:36,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:36,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-14 20:56:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:36,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:36,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:36,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 20:56:36,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 20:56:36,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:36,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-14 20:56:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:36,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:56:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 92 proven. 145 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-14 20:56:37,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658165480] [2020-10-14 20:56:37,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:37,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:56:37,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893826576] [2020-10-14 20:56:37,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:56:37,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:37,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:56:37,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:56:37,291 INFO L87 Difference]: Start difference. First operand 29892 states and 38254 transitions. Second operand 7 states. [2020-10-14 20:56:40,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:40,048 INFO L93 Difference]: Finished difference Result 56722 states and 72962 transitions. [2020-10-14 20:56:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:56:40,049 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 360 [2020-10-14 20:56:40,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:40,139 INFO L225 Difference]: With dead ends: 56722 [2020-10-14 20:56:40,139 INFO L226 Difference]: Without dead ends: 30114 [2020-10-14 20:56:40,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:56:40,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30114 states. [2020-10-14 20:56:40,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30114 to 30072. [2020-10-14 20:56:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30072 states. [2020-10-14 20:56:40,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30072 states to 30072 states and 38441 transitions. [2020-10-14 20:56:40,762 INFO L78 Accepts]: Start accepts. Automaton has 30072 states and 38441 transitions. Word has length 360 [2020-10-14 20:56:40,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:40,762 INFO L479 AbstractCegarLoop]: Abstraction has 30072 states and 38441 transitions. [2020-10-14 20:56:40,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:56:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 30072 states and 38441 transitions. [2020-10-14 20:56:40,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-10-14 20:56:40,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:40,789 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 20:56:40,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 20:56:40,790 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:40,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:40,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1141646112, now seen corresponding path program 1 times [2020-10-14 20:56:40,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:40,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996850340] [2020-10-14 20:56:40,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:40,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:41,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:41,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:42,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:43,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:43,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 376 [2020-10-14 20:56:43,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:56:43,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2612 [2020-10-14 20:56:43,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:43,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-10-14 20:56:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:56:43,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:43,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:43,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:43,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:43,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:43,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:43,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:56:43,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:43,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:43,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:43,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:43,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:43,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:43,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:56:43,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:43,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 20:56:43,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:43,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:43,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:43,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:43,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:43,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:43,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:56:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:43,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:43,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:43,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 20:56:43,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:43,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 20:56:43,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:43,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:56:43,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:43,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-14 20:56:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:43,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:43,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:43,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 20:56:43,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:43,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 20:56:43,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:43,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:43,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:43,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:43,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 20:56:43,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:43,898 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 246 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 20:56:43,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996850340] [2020-10-14 20:56:43,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:43,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:56:43,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813526468] [2020-10-14 20:56:43,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:56:43,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:43,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:56:43,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:56:43,900 INFO L87 Difference]: Start difference. First operand 30072 states and 38441 transitions. Second operand 7 states. [2020-10-14 20:56:47,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:47,858 INFO L93 Difference]: Finished difference Result 59154 states and 75939 transitions. [2020-10-14 20:56:47,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:56:47,859 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 362 [2020-10-14 20:56:47,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:47,936 INFO L225 Difference]: With dead ends: 59154 [2020-10-14 20:56:47,936 INFO L226 Difference]: Without dead ends: 31984 [2020-10-14 20:56:47,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:56:48,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31984 states. [2020-10-14 20:56:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31984 to 28924. [2020-10-14 20:56:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28924 states. [2020-10-14 20:56:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28924 states to 28924 states and 35952 transitions. [2020-10-14 20:56:48,758 INFO L78 Accepts]: Start accepts. Automaton has 28924 states and 35952 transitions. Word has length 362 [2020-10-14 20:56:48,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:48,759 INFO L479 AbstractCegarLoop]: Abstraction has 28924 states and 35952 transitions. [2020-10-14 20:56:48,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:56:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 28924 states and 35952 transitions. [2020-10-14 20:56:48,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-10-14 20:56:48,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:48,793 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:56:48,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 20:56:48,793 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:48,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:48,794 INFO L82 PathProgramCache]: Analyzing trace with hash -632665902, now seen corresponding path program 1 times [2020-10-14 20:56:48,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:48,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321313722] [2020-10-14 20:56:48,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:49,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:49,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:49,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:51,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:51,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-10-14 20:56:51,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:56:51,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2348 [2020-10-14 20:56:51,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:51,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:51,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:51,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-14 20:56:51,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-14 20:56:51,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:51,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:51,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:51,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:51,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:51,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:51,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:56:51,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:51,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:51,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:51,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:51,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:51,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:51,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:51,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:51,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:51,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:56:51,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:51,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 20:56:51,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:51,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:51,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:51,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:56:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:51,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:51,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:51,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 20:56:51,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 20:56:51,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:51,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 20:56:51,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:51,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-14 20:56:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:51,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:51,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:51,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 20:56:51,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-14 20:56:51,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:51,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:56:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:56:51,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 20:56:51,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 306 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-14 20:56:51,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321313722] [2020-10-14 20:56:51,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:56:51,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:56:51,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112159427] [2020-10-14 20:56:51,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:56:51,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:56:51,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:56:51,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:56:51,822 INFO L87 Difference]: Start difference. First operand 28924 states and 35952 transitions. Second operand 7 states. [2020-10-14 20:56:55,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:56:55,088 INFO L93 Difference]: Finished difference Result 54077 states and 68491 transitions. [2020-10-14 20:56:55,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:56:55,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 406 [2020-10-14 20:56:55,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:56:55,145 INFO L225 Difference]: With dead ends: 54077 [2020-10-14 20:56:55,145 INFO L226 Difference]: Without dead ends: 27091 [2020-10-14 20:56:55,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:56:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27091 states. [2020-10-14 20:56:55,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27091 to 25287. [2020-10-14 20:56:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25287 states. [2020-10-14 20:56:55,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25287 states to 25287 states and 30254 transitions. [2020-10-14 20:56:55,639 INFO L78 Accepts]: Start accepts. Automaton has 25287 states and 30254 transitions. Word has length 406 [2020-10-14 20:56:55,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:56:55,640 INFO L479 AbstractCegarLoop]: Abstraction has 25287 states and 30254 transitions. [2020-10-14 20:56:55,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:56:55,640 INFO L276 IsEmpty]: Start isEmpty. Operand 25287 states and 30254 transitions. [2020-10-14 20:56:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-10-14 20:56:55,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:56:55,661 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 20:56:55,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 20:56:55,661 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:56:55,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:56:55,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1924486519, now seen corresponding path program 1 times [2020-10-14 20:56:55,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:56:55,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907387668] [2020-10-14 20:56:55,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:56:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:55,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:55,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:57,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:57,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:59,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:59,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 436 [2020-10-14 20:56:59,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:56:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3982 [2020-10-14 20:56:59,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:59,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:56:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-10-14 20:56:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 20:56:59,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:59,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:56:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:59,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:59,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:59,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:56:59,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:59,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:56:59,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:59,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:59,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:59,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:59,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:59,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:59,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:56:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:59,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:59,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:59,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:56:59,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:59,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 20:56:59,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:59,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:59,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:59,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:59,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:59,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:59,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:56:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:59,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:59,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:59,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 20:56:59,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:59,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 20:56:59,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:59,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:56:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:56:59,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:59,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 20:56:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:56:59,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:56:59,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:56:59,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 20:56:59,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:56:59,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 20:56:59,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:56:59,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:56:59,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:56:59,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:56:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 20:56:59,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:56:59,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-14 20:57:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:00,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:00,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:00,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:00,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 20:57:00,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:57:00,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 20:57:00,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:00,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:57:00,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 130 proven. 4 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2020-10-14 20:57:00,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907387668] [2020-10-14 20:57:00,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:00,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:57:00,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061201906] [2020-10-14 20:57:00,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:57:00,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:00,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:57:00,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:57:00,190 INFO L87 Difference]: Start difference. First operand 25287 states and 30254 transitions. Second operand 5 states. [2020-10-14 20:57:02,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:02,903 INFO L93 Difference]: Finished difference Result 52688 states and 63277 transitions. [2020-10-14 20:57:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:57:02,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 420 [2020-10-14 20:57:02,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:02,904 INFO L225 Difference]: With dead ends: 52688 [2020-10-14 20:57:02,904 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:57:02,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 1 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 20:57:02,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:57:02,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:57:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:57:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:57:02,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 420 [2020-10-14 20:57:02,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:02,946 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:57:02,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:57:02,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:57:02,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:57:02,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 20:57:02,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:57:05,604 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 410 [2020-10-14 20:57:06,507 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 410 [2020-10-14 20:57:10,575 WARN L193 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 640 DAG size of output: 55 [2020-10-14 20:57:12,745 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 363 DAG size of output: 47 [2020-10-14 20:57:14,936 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 363 DAG size of output: 47 [2020-10-14 20:57:14,940 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:57:14,940 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 20:57:14,941 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:57:14,941 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 20:57:14,941 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 20:57:14,941 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 20:57:14,941 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,942 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,942 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,942 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,942 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,942 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,943 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,943 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 20:57:14,943 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 20:57:14,943 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 20:57:14,943 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,943 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,944 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,944 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,944 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,944 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,944 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,944 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,944 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,944 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 20:57:14,944 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 20:57:14,945 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 20:57:14,945 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,945 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,945 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,945 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,945 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,945 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,945 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,945 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,946 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,946 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 20:57:14,946 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 20:57:14,946 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 20:57:14,946 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 20:57:14,946 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 20:57:14,946 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 20:57:14,946 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 20:57:14,947 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,947 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,947 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,947 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,947 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,947 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,947 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,947 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,947 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,948 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,948 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 20:57:14,948 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 20:57:14,948 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 20:57:14,948 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,948 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,948 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,948 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,948 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,949 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 20:57:14,949 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 20:57:14,949 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 20:57:14,949 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,949 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,949 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,949 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,949 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,949 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 20:57:14,950 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 20:57:14,950 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,950 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,950 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,950 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,950 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,950 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,950 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 20:57:14,950 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 20:57:14,950 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,951 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,951 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 20:57:14,951 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 20:57:14,951 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 20:57:14,951 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,951 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,951 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,951 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,951 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,952 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,952 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,952 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 20:57:14,952 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 20:57:14,952 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 20:57:14,952 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 20:57:14,952 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 20:57:14,952 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 20:57:14,952 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 20:57:14,953 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,953 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,953 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 20:57:14,953 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 20:57:14,953 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,953 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,953 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,953 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,954 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse4 (= ~a23~0 |old(~a23~0)|)) (.cse5 (= ~a29~0 |old(~a29~0)|)) (.cse6 (= ~a4~0 |old(~a4~0)|))) (let ((.cse1 (not (<= |old(~a4~0)| 1))) (.cse2 (not (<= 1 |old(~a4~0)|))) (.cse3 (not (<= |old(~a23~0)| 247))) (.cse0 (and (= ~a25~0 |old(~a25~0)|) .cse4 .cse5 .cse6))) (and (or .cse0 (not (<= 97 |old(~a23~0)|)) .cse1 .cse2) (or .cse0 (not (<= 141 |old(~a29~0)|)) .cse1 .cse2) (or .cse3 (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) .cse0) (or (not (<= |old(~a25~0)| 11)) .cse3 .cse0) (or (not (= 10 |old(~a25~0)|)) .cse0) (or (and .cse4 .cse5 (= ~a25~0 12) .cse6) (not (= 12 |old(~a25~0)|)))))) [2020-10-14 20:57:14,954 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,954 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 20:57:14,954 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 20:57:14,954 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 20:57:14,954 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,954 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,954 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,955 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,955 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,955 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,955 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 20:57:14,955 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 20:57:14,955 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 20:57:14,955 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,955 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,955 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,955 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,956 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,956 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,956 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,956 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,956 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 20:57:14,956 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 20:57:14,956 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 20:57:14,956 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,956 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,957 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,957 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,957 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,957 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,957 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,957 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,957 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,957 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,957 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,957 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 20:57:14,958 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 20:57:14,958 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 20:57:14,958 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 20:57:14,958 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 20:57:14,958 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,958 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,958 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,958 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,958 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,958 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,959 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,959 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 20:57:14,959 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 20:57:14,959 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 20:57:14,959 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,959 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,959 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,959 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 20:57:14,959 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 20:57:14,959 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,960 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,960 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,960 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,960 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,960 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2020-10-14 20:57:14,960 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 20:57:14,960 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 20:57:14,960 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,960 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,961 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 20:57:14,961 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 20:57:14,961 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,961 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,961 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,961 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,961 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,961 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,961 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 20:57:14,961 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 20:57:14,962 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 20:57:14,962 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 20:57:14,962 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,962 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,962 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,962 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,962 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,962 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,962 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,962 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,963 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 20:57:14,963 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 20:57:14,963 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 20:57:14,963 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 20:57:14,963 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 20:57:14,963 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 20:57:14,963 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,963 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,963 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,963 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,964 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,964 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,964 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,964 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 20:57:14,964 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 20:57:14,964 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,964 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,964 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,964 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,965 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,966 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,966 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 20:57:14,966 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,966 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,966 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,966 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 20:57:14,966 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 20:57:14,966 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 20:57:14,966 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,966 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 20:57:14,967 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,967 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 20:57:14,967 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,967 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,967 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,967 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,967 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,967 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,967 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 20:57:14,967 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 20:57:14,968 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 20:57:14,968 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,968 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,968 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,968 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,968 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,968 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,968 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,969 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,969 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,969 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,969 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 20:57:14,969 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 20:57:14,969 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 20:57:14,969 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,969 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 20:57:14,969 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 20:57:14,970 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,970 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,970 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,970 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,970 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,970 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,970 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 20:57:14,970 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 20:57:14,971 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 20:57:14,971 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,971 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,971 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,971 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,971 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 20:57:14,971 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 20:57:14,971 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,971 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,972 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 20:57:14,972 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,972 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,972 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:14,972 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:57:14,972 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 312 ~a23~0) (<= 1 ~a4~0) (= ~a25~0 10) (<= ~a23~0 312) (= ~a29~0 130) (<= ~a4~0 1)) [2020-10-14 20:57:14,972 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:57:14,972 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:57:14,972 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 130 |old(~a29~0)|)) (not (<= |old(~a23~0)| 312)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a29~0 130)) (not (<= |old(~a4~0)| 1)) (not (<= 312 |old(~a23~0)|)) (not (<= 1 |old(~a4~0)|))) [2020-10-14 20:57:14,973 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 20:57:14,973 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (<= ~a23~0 247))) (or (and (<= 1 ~a4~0) (<= 141 ~a29~0) (<= ~a4~0 1)) (= ~a25~0 10) (and .cse0 (or (<= ~a4~0 0) (< 1 ~a4~0))) (not (= 130 |old(~a29~0)|)) (and (<= 97 ~a23~0) (= ~a4~0 |old(~a4~0)|)) (not (<= |old(~a23~0)| 312)) (not (= 10 |old(~a25~0)|)) (= ~a25~0 12) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a4~0)| 1)) (not (<= 1 |old(~a4~0)|)) (and .cse0 (<= ~a25~0 11)))) [2020-10-14 20:57:14,973 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 20:57:14,973 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 20:57:14,973 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (<= ~a23~0 247))) (or (and (<= 1 ~a4~0) (<= 141 ~a29~0) (<= ~a4~0 1)) (= ~a25~0 10) (and .cse0 (or (<= ~a4~0 0) (< 1 ~a4~0))) (not (= 130 |old(~a29~0)|)) (and (<= 97 ~a23~0) (= ~a4~0 |old(~a4~0)|)) (not (<= |old(~a23~0)| 312)) (not (= 10 |old(~a25~0)|)) (= ~a25~0 12) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a4~0)| 1)) (not (<= 1 |old(~a4~0)|)) (and .cse0 (<= ~a25~0 11)))) [2020-10-14 20:57:14,973 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 20:57:14,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:57:14 BoogieIcfgContainer [2020-10-14 20:57:14,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:57:14,998 INFO L168 Benchmark]: Toolchain (without parser) took 127781.16 ms. Allocated memory was 145.8 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 98.6 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-10-14 20:57:14,999 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 20:57:14,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1257.40 ms. Allocated memory was 145.8 MB in the beginning and 209.2 MB in the end (delta: 63.4 MB). Free memory was 98.6 MB in the beginning and 162.9 MB in the end (delta: -64.3 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:57:15,000 INFO L168 Benchmark]: Boogie Preprocessor took 222.88 ms. Allocated memory is still 209.2 MB. Free memory was 162.9 MB in the beginning and 154.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2020-10-14 20:57:15,001 INFO L168 Benchmark]: RCFGBuilder took 1859.52 ms. Allocated memory was 209.2 MB in the beginning and 241.2 MB in the end (delta: 32.0 MB). Free memory was 154.3 MB in the beginning and 99.7 MB in the end (delta: 54.6 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:57:15,002 INFO L168 Benchmark]: TraceAbstraction took 124434.94 ms. Allocated memory was 241.2 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 99.7 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-10-14 20:57:15,005 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1257.40 ms. Allocated memory was 145.8 MB in the beginning and 209.2 MB in the end (delta: 63.4 MB). Free memory was 98.6 MB in the beginning and 162.9 MB in the end (delta: -64.3 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 222.88 ms. Allocated memory is still 209.2 MB. Free memory was 162.9 MB in the beginning and 154.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1859.52 ms. Allocated memory was 209.2 MB in the beginning and 241.2 MB in the end (delta: 32.0 MB). Free memory was 154.3 MB in the beginning and 99.7 MB in the end (delta: 54.6 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 124434.94 ms. Allocated memory was 241.2 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 99.7 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((((((((1 <= a4 && 141 <= a29) && a4 <= 1) || a25 == 10) || (a23 <= 247 && (a4 <= 0 || 1 < a4))) || !(130 == \old(a29))) || (97 <= a23 && a4 == \old(a4))) || !(\old(a23) <= 312)) || !(10 == \old(a25))) || a25 == 12) || !(312 <= \old(a23))) || !(\old(a4) <= 1)) || !(1 <= \old(a4))) || (a23 <= 247 && a25 <= 11) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 112.3s, OverallIterations: 17, TraceHistogramMax: 5, AutomataDifference: 57.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 854 SDtfs, 12463 SDslu, 1445 SDs, 0 SdLazy, 27873 SolverSat, 4290 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 154 SyntacticMatches, 4 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30072occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 10903 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1197 PreInvPairs, 1505 NumberOfFragments, 365 HoareAnnotationTreeSize, 1197 FomulaSimplifications, 93755 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 40799 FormulaSimplificationTreeSizeReductionInter, 8.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 47.0s InterpolantComputationTime, 4487 NumberOfCodeBlocks, 4487 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4470 ConstructedInterpolants, 0 QuantifiedInterpolants, 3131752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 3091/3544 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...