/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/Problem10_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:52:14,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:52:14,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:52:14,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:52:14,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:52:14,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:52:14,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:52:14,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:52:14,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:52:14,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:52:14,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:52:14,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:52:14,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:52:14,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:52:14,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:52:14,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:52:14,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:52:14,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:52:14,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:52:14,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:52:14,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:52:14,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:52:14,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:52:14,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:52:14,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:52:14,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:52:14,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:52:14,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:52:14,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:52:14,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:52:14,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:52:14,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:52:14,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:52:14,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:52:14,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:52:14,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:52:14,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:52:14,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:52:14,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:52:14,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:52:14,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:52:14,359 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 20:52:14,397 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:52:14,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:52:14,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:52:14,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:52:14,400 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:52:14,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:52:14,401 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:52:14,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:52:14,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:52:14,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:52:14,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:52:14,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:52:14,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:52:14,403 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:52:14,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:52:14,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:52:14,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:52:14,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:52:14,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:52:14,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:52:14,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:52:14,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:52:14,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:52:14,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:52:14,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:52:14,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:52:14,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:52:14,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:52:14,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:52:14,406 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 20:52:14,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:52:14,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:52:14,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:52:14,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:52:14,727 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:52:14,728 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label18.c [2020-10-14 20:52:14,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/846cd38fb/2faead11431b47b891c7986669c9c965/FLAG1e2295a4f [2020-10-14 20:52:15,314 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:52:15,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label18.c [2020-10-14 20:52:15,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/846cd38fb/2faead11431b47b891c7986669c9c965/FLAG1e2295a4f [2020-10-14 20:52:15,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/846cd38fb/2faead11431b47b891c7986669c9c965 [2020-10-14 20:52:15,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:52:15,621 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:52:15,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:15,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:52:15,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:52:15,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:15" (1/1) ... [2020-10-14 20:52:15,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4d5a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:15, skipping insertion in model container [2020-10-14 20:52:15,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:52:15" (1/1) ... [2020-10-14 20:52:15,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:52:15,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:52:16,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:16,099 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:52:16,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:52:16,341 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:52:16,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:16 WrapperNode [2020-10-14 20:52:16,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:52:16,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:52:16,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:52:16,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:52:16,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:16" (1/1) ... [2020-10-14 20:52:16,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:16" (1/1) ... [2020-10-14 20:52:16,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:16" (1/1) ... [2020-10-14 20:52:16,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:16" (1/1) ... [2020-10-14 20:52:16,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:16" (1/1) ... [2020-10-14 20:52:16,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:16" (1/1) ... [2020-10-14 20:52:16,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:16" (1/1) ... [2020-10-14 20:52:16,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:52:16,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:52:16,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:52:16,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:52:16,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:16" (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 20:52:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:52:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:52:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:52:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:52:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:52:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:52:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:52:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:52:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:52:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:52:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:52:17,623 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:52:17,623 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:52:17,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:52:17 BoogieIcfgContainer [2020-10-14 20:52:17,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:52:17,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:52:17,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:52:17,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:52:17,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:52:15" (1/3) ... [2020-10-14 20:52:17,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467e4c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:52:17, skipping insertion in model container [2020-10-14 20:52:17,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:52:16" (2/3) ... [2020-10-14 20:52:17,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467e4c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:52:17, skipping insertion in model container [2020-10-14 20:52:17,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:52:17" (3/3) ... [2020-10-14 20:52:17,637 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label18.c [2020-10-14 20:52:17,649 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:52:17,658 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:52:17,675 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:52:17,704 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:52:17,704 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:52:17,704 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:52:17,705 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:52:17,705 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:52:17,705 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:52:17,705 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:52:17,706 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:52:17,732 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:52:17,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 20:52:17,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:17,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:17,743 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:17,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1635976175, now seen corresponding path program 1 times [2020-10-14 20:52:17,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:17,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142087093] [2020-10-14 20:52:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:17,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:18,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:18,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 20:52:18,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:18,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-14 20:52:18,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:18,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:18,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:18,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:18,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 20:52:18,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:52:18,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:18,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:18,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:18,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:18,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:18,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 20:52:18,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:18,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:18,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:18,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:18,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:18,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:18,488 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 20:52:18,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142087093] [2020-10-14 20:52:18,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:52:18,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 20:52:18,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533729713] [2020-10-14 20:52:18,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:52:18,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:18,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:52:18,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:18,515 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-14 20:52:20,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:20,399 INFO L93 Difference]: Finished difference Result 730 states and 1302 transitions. [2020-10-14 20:52:20,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:52:20,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-10-14 20:52:20,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:20,419 INFO L225 Difference]: With dead ends: 730 [2020-10-14 20:52:20,420 INFO L226 Difference]: Without dead ends: 447 [2020-10-14 20:52:20,427 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 20:52:20,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-14 20:52:20,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-14 20:52:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-14 20:52:20,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 648 transitions. [2020-10-14 20:52:20,511 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 648 transitions. Word has length 64 [2020-10-14 20:52:20,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:20,512 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 648 transitions. [2020-10-14 20:52:20,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:52:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 648 transitions. [2020-10-14 20:52:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-14 20:52:20,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:20,520 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:52:20,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:52:20,521 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:20,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:20,521 INFO L82 PathProgramCache]: Analyzing trace with hash 391433805, now seen corresponding path program 1 times [2020-10-14 20:52:20,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:20,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543707470] [2020-10-14 20:52:20,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:20,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:20,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:21,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:21,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 20:52:21,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:21,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-14 20:52:21,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:21,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:21,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:21,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:21,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 20:52:21,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:52:21,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:21,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:21,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:21,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:21,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:21,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:52:21,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:21,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:21,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:21,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:21,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:21,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:21,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:21,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:21,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 20:52:21,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:21,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:21,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:21,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:52:21,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543707470] [2020-10-14 20:52:21,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:21,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:52:21,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903428567] [2020-10-14 20:52:21,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:52:21,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:21,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:52:21,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:21,297 INFO L87 Difference]: Start difference. First operand 441 states and 648 transitions. Second operand 5 states. [2020-10-14 20:52:22,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:22,548 INFO L93 Difference]: Finished difference Result 1321 states and 1988 transitions. [2020-10-14 20:52:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:22,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-14 20:52:22,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:22,560 INFO L225 Difference]: With dead ends: 1321 [2020-10-14 20:52:22,560 INFO L226 Difference]: Without dead ends: 886 [2020-10-14 20:52:22,563 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 20:52:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-14 20:52:22,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 878. [2020-10-14 20:52:22,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-14 20:52:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1199 transitions. [2020-10-14 20:52:22,627 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1199 transitions. Word has length 143 [2020-10-14 20:52:22,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:22,628 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1199 transitions. [2020-10-14 20:52:22,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:52:22,628 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1199 transitions. [2020-10-14 20:52:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-14 20:52:22,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:22,638 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:52:22,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:52:22,639 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:22,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:22,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1844831594, now seen corresponding path program 1 times [2020-10-14 20:52:22,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:22,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001678730] [2020-10-14 20:52:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:22,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:22,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:23,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:23,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:24,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:24,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-14 20:52:24,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:24,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1326 [2020-10-14 20:52:24,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:24,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:52:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-14 20:52:24,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:24,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:24,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:24,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:24,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:24,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:24,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:52:24,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:24,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:24,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:24,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:24,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:24,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:24,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:24,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:52:24,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-14 20:52:24,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:24,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:52:24,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 20:52:24,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001678730] [2020-10-14 20:52:24,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:24,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:52:24,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903062833] [2020-10-14 20:52:24,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:24,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:24,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:24,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:24,520 INFO L87 Difference]: Start difference. First operand 878 states and 1199 transitions. Second operand 7 states. [2020-10-14 20:52:25,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:25,718 INFO L93 Difference]: Finished difference Result 1915 states and 2655 transitions. [2020-10-14 20:52:25,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:52:25,719 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-10-14 20:52:25,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:25,725 INFO L225 Difference]: With dead ends: 1915 [2020-10-14 20:52:25,726 INFO L226 Difference]: Without dead ends: 1043 [2020-10-14 20:52:25,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:52:25,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2020-10-14 20:52:25,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1039. [2020-10-14 20:52:25,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2020-10-14 20:52:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1417 transitions. [2020-10-14 20:52:25,765 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1417 transitions. Word has length 154 [2020-10-14 20:52:25,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:25,766 INFO L479 AbstractCegarLoop]: Abstraction has 1039 states and 1417 transitions. [2020-10-14 20:52:25,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1417 transitions. [2020-10-14 20:52:25,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 20:52:25,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:25,775 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:52:25,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:52:25,775 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:25,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:25,776 INFO L82 PathProgramCache]: Analyzing trace with hash 2035397850, now seen corresponding path program 1 times [2020-10-14 20:52:25,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:25,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586549525] [2020-10-14 20:52:25,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:25,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:25,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:26,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:26,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 20:52:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1061 [2020-10-14 20:52:26,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:26,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:26,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:26,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:26,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 20:52:26,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 20:52:26,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:26,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:26,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:26,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:26,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:26,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:52:26,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:26,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:26,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:26,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:27,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:27,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:27,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 20:52:27,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:27,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 20:52:27,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:27,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:27,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:27,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:27,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 20:52:27,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:52:27,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586549525] [2020-10-14 20:52:27,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:52:27,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:52:27,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795392009] [2020-10-14 20:52:27,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:27,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:27,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:27,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:27,216 INFO L87 Difference]: Start difference. First operand 1039 states and 1417 transitions. Second operand 7 states. [2020-10-14 20:52:28,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:28,596 INFO L93 Difference]: Finished difference Result 2253 states and 3237 transitions. [2020-10-14 20:52:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:28,597 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-10-14 20:52:28,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:28,606 INFO L225 Difference]: With dead ends: 2253 [2020-10-14 20:52:28,607 INFO L226 Difference]: Without dead ends: 1363 [2020-10-14 20:52:28,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:52:28,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-10-14 20:52:28,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1192. [2020-10-14 20:52:28,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2020-10-14 20:52:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1499 transitions. [2020-10-14 20:52:28,666 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1499 transitions. Word has length 162 [2020-10-14 20:52:28,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:28,666 INFO L479 AbstractCegarLoop]: Abstraction has 1192 states and 1499 transitions. [2020-10-14 20:52:28,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:28,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1499 transitions. [2020-10-14 20:52:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-14 20:52:28,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:28,673 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:28,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:52:28,673 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:28,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:28,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1985608741, now seen corresponding path program 1 times [2020-10-14 20:52:28,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:28,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573669225] [2020-10-14 20:52:28,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:28,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:28,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:29,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:29,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:30,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 20:52:30,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:30,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1417 [2020-10-14 20:52:30,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:30,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:52:30,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:30,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:30,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:30,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:30,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:30,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:30,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:30,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:30,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:30,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:30,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:30,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:30,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:30,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 20:52:30,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:30,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:30,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:30,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:52:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:30,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:30,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:30,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:52:30,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:30,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 20:52:30,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:30,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:30,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:30,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:30,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573669225] [2020-10-14 20:52:30,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:30,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:30,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533830437] [2020-10-14 20:52:30,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:30,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:30,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:30,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:30,581 INFO L87 Difference]: Start difference. First operand 1192 states and 1499 transitions. Second operand 8 states. [2020-10-14 20:52:32,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:32,417 INFO L93 Difference]: Finished difference Result 2408 states and 3079 transitions. [2020-10-14 20:52:32,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:52:32,418 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2020-10-14 20:52:32,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:32,423 INFO L225 Difference]: With dead ends: 2408 [2020-10-14 20:52:32,423 INFO L226 Difference]: Without dead ends: 1065 [2020-10-14 20:52:32,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-14 20:52:32,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-10-14 20:52:32,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1039. [2020-10-14 20:52:32,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2020-10-14 20:52:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1186 transitions. [2020-10-14 20:52:32,456 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1186 transitions. Word has length 216 [2020-10-14 20:52:32,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:32,456 INFO L479 AbstractCegarLoop]: Abstraction has 1039 states and 1186 transitions. [2020-10-14 20:52:32,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1186 transitions. [2020-10-14 20:52:32,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-14 20:52:32,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:32,461 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, 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, 1, 1, 1, 1, 1, 1, 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 20:52:32,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:52:32,461 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:32,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:32,461 INFO L82 PathProgramCache]: Analyzing trace with hash 969839245, now seen corresponding path program 1 times [2020-10-14 20:52:32,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:32,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298935453] [2020-10-14 20:52:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:32,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:32,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:33,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 20:52:33,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:33,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1154 [2020-10-14 20:52:33,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:33,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:33,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:52:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 20:52:33,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:33,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:33,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:33,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:33,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:33,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:33,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:33,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:33,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:33,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:33,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:33,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:33,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 20:52:33,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:33,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:33,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:33,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:33,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:33,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:33,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:52:33,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:33,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 20:52:33,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:33,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:33,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:33,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:33,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:52:33,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 122 proven. 57 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:52:34,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298935453] [2020-10-14 20:52:34,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:34,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:34,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438982139] [2020-10-14 20:52:34,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:34,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:34,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:34,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:34,096 INFO L87 Difference]: Start difference. First operand 1039 states and 1186 transitions. Second operand 8 states. [2020-10-14 20:52:35,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:35,913 INFO L93 Difference]: Finished difference Result 2545 states and 2981 transitions. [2020-10-14 20:52:35,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 20:52:35,917 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 224 [2020-10-14 20:52:35,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:35,924 INFO L225 Difference]: With dead ends: 2545 [2020-10-14 20:52:35,924 INFO L226 Difference]: Without dead ends: 1357 [2020-10-14 20:52:35,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 20:52:35,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2020-10-14 20:52:35,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1341. [2020-10-14 20:52:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1341 states. [2020-10-14 20:52:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1570 transitions. [2020-10-14 20:52:35,962 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1570 transitions. Word has length 224 [2020-10-14 20:52:35,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:35,963 INFO L479 AbstractCegarLoop]: Abstraction has 1341 states and 1570 transitions. [2020-10-14 20:52:35,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1570 transitions. [2020-10-14 20:52:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-14 20:52:35,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:35,970 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:35,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:52:35,970 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:35,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:35,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1453186862, now seen corresponding path program 1 times [2020-10-14 20:52:35,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:35,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371574950] [2020-10-14 20:52:35,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:36,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:36,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:36,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:38,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:40,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:40,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-14 20:52:40,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:40,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4166 [2020-10-14 20:52:40,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:40,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:52:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 20:52:40,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:40,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:40,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:40,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:40,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:40,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:52:40,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:40,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:40,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:40,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:40,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:40,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:40,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:40,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:40,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:40,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:40,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 20:52:40,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:40,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:52:40,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:40,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:40,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:40,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 20:52:40,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-14 20:52:40,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:40,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:40,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:40,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:52:40,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:40,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371574950] [2020-10-14 20:52:40,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:40,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:40,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663330369] [2020-10-14 20:52:40,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:40,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:40,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:40,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:40,944 INFO L87 Difference]: Start difference. First operand 1341 states and 1570 transitions. Second operand 7 states. [2020-10-14 20:52:42,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:42,200 INFO L93 Difference]: Finished difference Result 2555 states and 3014 transitions. [2020-10-14 20:52:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:52:42,200 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 275 [2020-10-14 20:52:42,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:42,208 INFO L225 Difference]: With dead ends: 2555 [2020-10-14 20:52:42,208 INFO L226 Difference]: Without dead ends: 1363 [2020-10-14 20:52:42,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:52:42,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-10-14 20:52:42,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1343. [2020-10-14 20:52:42,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1343 states. [2020-10-14 20:52:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1546 transitions. [2020-10-14 20:52:42,251 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1546 transitions. Word has length 275 [2020-10-14 20:52:42,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:42,251 INFO L479 AbstractCegarLoop]: Abstraction has 1343 states and 1546 transitions. [2020-10-14 20:52:42,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1546 transitions. [2020-10-14 20:52:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-14 20:52:42,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:42,258 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:42,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:52:42,258 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:42,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:42,259 INFO L82 PathProgramCache]: Analyzing trace with hash 591290267, now seen corresponding path program 1 times [2020-10-14 20:52:42,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:42,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386268034] [2020-10-14 20:52:42,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:42,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:42,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:45,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-14 20:52:45,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3135 [2020-10-14 20:52:45,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:45,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 20:52:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:52:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-14 20:52:45,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:45,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:45,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:45,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:45,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:45,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:45,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:45,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:45,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:45,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:45,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:45,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:45,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:45,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:45,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 20:52:45,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:45,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:45,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:45,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:45,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:52:45,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:45,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:52:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:45,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:46,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:46,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 20:52:46,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:46,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-10-14 20:52:46,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:46,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:52:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:52:46,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 211 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:46,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386268034] [2020-10-14 20:52:46,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:46,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:46,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855832614] [2020-10-14 20:52:46,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:46,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:46,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:46,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:46,401 INFO L87 Difference]: Start difference. First operand 1343 states and 1546 transitions. Second operand 8 states. [2020-10-14 20:52:47,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:47,993 INFO L93 Difference]: Finished difference Result 2543 states and 2953 transitions. [2020-10-14 20:52:47,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:52:47,994 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 320 [2020-10-14 20:52:47,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:48,010 INFO L225 Difference]: With dead ends: 2543 [2020-10-14 20:52:48,010 INFO L226 Difference]: Without dead ends: 2378 [2020-10-14 20:52:48,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:52:48,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2020-10-14 20:52:48,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 1941. [2020-10-14 20:52:48,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2020-10-14 20:52:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2318 transitions. [2020-10-14 20:52:48,094 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2318 transitions. Word has length 320 [2020-10-14 20:52:48,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:48,095 INFO L479 AbstractCegarLoop]: Abstraction has 1941 states and 2318 transitions. [2020-10-14 20:52:48,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2318 transitions. [2020-10-14 20:52:48,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-10-14 20:52:48,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:48,111 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, 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, 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] [2020-10-14 20:52:48,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:52:48,111 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:48,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:48,112 INFO L82 PathProgramCache]: Analyzing trace with hash -81039838, now seen corresponding path program 1 times [2020-10-14 20:52:48,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:48,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611673201] [2020-10-14 20:52:48,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:48,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:48,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:48,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:51,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:53,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-14 20:52:53,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:52:53,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 20:52:53,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:53,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-10-14 20:52:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 20:52:53,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:53,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:53,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:53,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:53,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:53,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:53,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:53,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:53,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:53,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:53,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:53,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:53,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 20:52:53,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:53,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:53,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:53,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:52:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:53,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:53,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:52:53,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:53,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 20:52:53,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:53,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:52:53,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:53,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 20:52:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:53,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:53,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:53,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:52:53,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:53,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 20:52:53,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:53,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:53,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:53,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:52:53,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:53,884 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 287 proven. 58 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-14 20:52:53,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611673201] [2020-10-14 20:52:53,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:53,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:53,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353981375] [2020-10-14 20:52:53,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:53,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:53,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:53,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:53,897 INFO L87 Difference]: Start difference. First operand 1941 states and 2318 transitions. Second operand 7 states. [2020-10-14 20:52:55,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:55,359 INFO L93 Difference]: Finished difference Result 4764 states and 5776 transitions. [2020-10-14 20:52:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:52:55,360 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 356 [2020-10-14 20:52:55,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:55,372 INFO L225 Difference]: With dead ends: 4764 [2020-10-14 20:52:55,373 INFO L226 Difference]: Without dead ends: 2827 [2020-10-14 20:52:55,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:52:55,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2020-10-14 20:52:55,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2672. [2020-10-14 20:52:55,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2672 states. [2020-10-14 20:52:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3161 transitions. [2020-10-14 20:52:55,445 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3161 transitions. Word has length 356 [2020-10-14 20:52:55,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:55,445 INFO L479 AbstractCegarLoop]: Abstraction has 2672 states and 3161 transitions. [2020-10-14 20:52:55,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3161 transitions. [2020-10-14 20:52:55,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-10-14 20:52:55,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:55,455 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, 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, 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] [2020-10-14 20:52:55,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:52:55,456 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:55,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:55,456 INFO L82 PathProgramCache]: Analyzing trace with hash 417945487, now seen corresponding path program 1 times [2020-10-14 20:52:55,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:55,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871703361] [2020-10-14 20:52:55,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:55,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:55,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:58,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 379 [2020-10-14 20:53:00,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:53:00,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-14 20:53:00,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:53:00,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-14 20:53:00,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 20:53:00,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:00,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:00,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:53:00,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:00,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:00,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:00,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 20:53:00,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:00,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:00,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:00,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:00,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:53:00,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 20:53:00,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:53:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:00,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 20:53:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:00,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:00,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:00,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:53:00,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:00,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 20:53:00,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:00,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:00,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:53:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:53:00,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:01,191 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 290 proven. 58 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-14 20:53:01,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871703361] [2020-10-14 20:53:01,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:01,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:53:01,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335588712] [2020-10-14 20:53:01,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:53:01,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:01,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:53:01,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:53:01,194 INFO L87 Difference]: Start difference. First operand 2672 states and 3161 transitions. Second operand 6 states. [2020-10-14 20:53:02,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:02,295 INFO L93 Difference]: Finished difference Result 6065 states and 7279 transitions. [2020-10-14 20:53:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 20:53:02,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 365 [2020-10-14 20:53:02,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:02,316 INFO L225 Difference]: With dead ends: 6065 [2020-10-14 20:53:02,316 INFO L226 Difference]: Without dead ends: 3542 [2020-10-14 20:53:02,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:53:02,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2020-10-14 20:53:02,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 3250. [2020-10-14 20:53:02,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3250 states. [2020-10-14 20:53:02,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 3892 transitions. [2020-10-14 20:53:02,403 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 3892 transitions. Word has length 365 [2020-10-14 20:53:02,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:02,404 INFO L479 AbstractCegarLoop]: Abstraction has 3250 states and 3892 transitions. [2020-10-14 20:53:02,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:53:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3892 transitions. [2020-10-14 20:53:02,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-14 20:53:02,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:53:02,415 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:53:02,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:53:02,415 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:53:02,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:53:02,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1383932984, now seen corresponding path program 1 times [2020-10-14 20:53:02,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:53:02,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [58600715] [2020-10-14 20:53:02,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:53:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:02,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:02,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-14 20:53:03,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:53:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 585 [2020-10-14 20:53:03,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:53:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 328 [2020-10-14 20:53:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 20:53:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:03,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:53:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:53:03,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:53:03,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:03,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:03,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:53:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:53:03,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 20:53:03,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:03,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:53:03,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:53:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:53:03,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 20:53:03,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:53:03,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:53:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:03,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 20:53:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:53:03,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:53:03,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:53:03,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 20:53:03,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:53:03,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 20:53:03,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:53:03,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:53:03,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:53:03,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:53:03,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:53:03,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:53:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 174 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-14 20:53:03,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [58600715] [2020-10-14 20:53:03,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:53:03,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:53:03,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843912609] [2020-10-14 20:53:03,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:53:03,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:53:03,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:53:03,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:53:03,437 INFO L87 Difference]: Start difference. First operand 3250 states and 3892 transitions. Second operand 5 states. [2020-10-14 20:53:04,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:53:04,379 INFO L93 Difference]: Finished difference Result 3254 states and 3896 transitions. [2020-10-14 20:53:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:53:04,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 378 [2020-10-14 20:53:04,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:53:04,386 INFO L225 Difference]: With dead ends: 3254 [2020-10-14 20:53:04,386 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:53:04,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 20:53:04,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:53:04,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:53:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:53:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:53:04,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 378 [2020-10-14 20:53:04,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:53:04,394 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:53:04,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:53:04,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:53:04,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:53:04,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:53:04,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:53:04,761 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2020-10-14 20:53:04,878 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2020-10-14 20:53:05,325 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 41 [2020-10-14 20:53:05,464 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 34 [2020-10-14 20:53:05,583 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 34 [2020-10-14 20:53:05,587 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:53:05,587 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)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 20:53:05,587 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:53:05,588 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:53:05,588 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,588 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,588 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,588 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,588 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,588 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,589 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:53:05,589 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:53:05,589 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:53:05,589 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:53:05,589 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:53:05,589 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:53:05,589 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:53:05,590 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:53:05,591 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:53:05,591 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:53:05,591 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:53:05,591 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,591 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,592 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,592 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,592 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,592 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:53:05,592 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:53:05,592 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:53:05,592 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:53:05,592 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:53:05,592 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:53:05,593 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:53:05,593 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:53:05,593 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:53:05,593 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:53:05,593 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:53:05,593 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:53:05,593 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:53:05,593 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2020-10-14 20:53:05,594 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:53:05,594 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,594 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,594 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,594 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,594 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,594 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:53:05,595 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:53:05,595 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:53:05,595 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:53:05,595 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:53:05,595 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:53:05,595 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:53:05,595 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:53:05,595 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:53:05,596 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:53:05,596 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,596 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,596 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,597 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,597 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,597 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:53:05,598 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:53:05,598 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:53:05,598 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:53:05,598 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:53:05,598 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:53:05,598 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:53:05,598 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:53:05,598 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:53:05,598 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:53:05,598 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:53:05,599 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:53:05,599 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:53:05,599 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,599 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,599 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,599 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,599 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,599 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:53:05,599 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:53:05,599 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:53:05,600 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:53:05,600 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:53:05,600 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:53:05,600 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:53:05,600 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:53:05,600 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:53:05,600 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,600 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,600 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,600 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,601 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,601 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,601 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,601 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:53:05,601 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:53:05,601 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:53:05,601 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:53:05,601 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:53:05,601 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:53:05,602 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:53:05,602 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:53:05,602 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:53:05,602 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:53:05,602 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:53:05,602 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:53:05,603 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:53:05,603 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,603 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,603 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:53:05,604 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:53:05,605 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:53:05,605 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:53:05,605 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:53:05,605 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:53:05,605 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:53:05,606 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:53:05,607 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:53:05,607 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:53:05,607 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:53:05,607 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:53:05,607 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:53:05,607 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:53:05,607 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:53:05,607 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 8))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 505272))) (or .cse1 .cse0 (= 4 |old(~a10~0)|)) (or (not (= |old(~a10~0)| 1)) .cse0) (or (not (= 9 |old(~a19~0)|)) .cse0) (or .cse1 .cse0 (not (<= (+ |old(~a1~0)| 75821) 0))) (or .cse0 (not (= 8 |old(~a19~0)|))))) [2020-10-14 20:53:05,608 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:53:05,608 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:53:05,608 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:53:05,608 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,608 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,608 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,608 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,608 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,608 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,609 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:53:05,609 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:53:05,609 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:53:05,609 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:53:05,609 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:53:05,609 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:53:05,609 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:53:05,609 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:53:05,609 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:53:05,610 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:53:05,610 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:53:05,610 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:53:05,610 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:53:05,610 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,610 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,610 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,610 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,610 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,610 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,611 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:53:05,611 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:53:05,611 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:53:05,611 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:53:05,611 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:53:05,611 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:53:05,611 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:53:05,611 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:53:05,611 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:53:05,611 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:53:05,612 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:53:05,612 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:53:05,612 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,612 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,612 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,612 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,612 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,612 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:53:05,612 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:53:05,612 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:53:05,613 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:53:05,613 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:53:05,613 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:53:05,613 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:53:05,613 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:53:05,613 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:53:05,613 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:53:05,613 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:53:05,613 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:53:05,613 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:53:05,614 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:53:05,614 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-14 20:53:05,614 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:53:05,614 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:53:05,615 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-14 20:53:05,615 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:53:05,615 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (= ~a19~0 8) (= ~a10~0 1) (not (= 9 |old(~a19~0)|)) (and .cse0 (<= (+ ~a1~0 75821) 0)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 0) (<= ~a1~0 505272)) (and (not (= ~a10~0 4)) .cse0) (not (= 23 |old(~a1~0)|)))) [2020-10-14 20:53:05,615 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:53:05,615 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:53:05,615 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (= ~a19~0 8) (= ~a10~0 1) (not (= 9 |old(~a19~0)|)) (and .cse0 (<= (+ ~a1~0 75821) 0)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 0) (<= ~a1~0 505272)) (and (not (= ~a10~0 4)) .cse0) (not (= 23 |old(~a1~0)|)))) [2020-10-14 20:53:05,615 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:53:05,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:53:05 BoogieIcfgContainer [2020-10-14 20:53:05,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:53:05,640 INFO L168 Benchmark]: Toolchain (without parser) took 50018.72 ms. Allocated memory was 148.9 MB in the beginning and 881.9 MB in the end (delta: 733.0 MB). Free memory was 103.8 MB in the beginning and 98.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 738.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:05,644 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 20:53:05,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.84 ms. Allocated memory was 148.9 MB in the beginning and 206.6 MB in the end (delta: 57.7 MB). Free memory was 103.4 MB in the beginning and 173.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:05,647 INFO L168 Benchmark]: Boogie Preprocessor took 102.22 ms. Allocated memory is still 206.6 MB. Free memory was 173.2 MB in the beginning and 168.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:05,648 INFO L168 Benchmark]: RCFGBuilder took 1184.35 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 168.3 MB in the beginning and 172.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:05,653 INFO L168 Benchmark]: TraceAbstraction took 48007.50 ms. Allocated memory was 233.8 MB in the beginning and 881.9 MB in the end (delta: 648.0 MB). Free memory was 172.2 MB in the beginning and 98.0 MB in the end (delta: 74.2 MB). Peak memory consumption was 722.2 MB. Max. memory is 7.1 GB. [2020-10-14 20:53:05,659 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.84 ms. Allocated memory was 148.9 MB in the beginning and 206.6 MB in the end (delta: 57.7 MB). Free memory was 103.4 MB in the beginning and 173.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.22 ms. Allocated memory is still 206.6 MB. Free memory was 173.2 MB in the beginning and 168.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.35 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 168.3 MB in the beginning and 172.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48007.50 ms. Allocated memory was 233.8 MB in the beginning and 881.9 MB in the end (delta: 648.0 MB). Free memory was 172.2 MB in the beginning and 98.0 MB in the end (delta: 74.2 MB). Peak memory consumption was 722.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: 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: 582]: Loop Invariant Derived loop invariant: (((((((a19 == 8 || a10 == 1) || !(9 == \old(a19))) || (a19 <= 8 && a1 + 75821 <= 0)) || a19 == 9) || !(0 == \old(a10))) || (a10 == 0 && a1 <= 505272)) || (!(a10 == 4) && a19 <= 8)) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 46.6s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 285 SDtfs, 4927 SDslu, 371 SDs, 0 SdLazy, 10016 SolverSat, 1550 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3250occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 1135 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 101 PreInvPairs, 157 NumberOfFragments, 261 HoareAnnotationTreeSize, 101 FomulaSimplifications, 19043 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2374 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 28.2s InterpolantComputationTime, 2657 NumberOfCodeBlocks, 2657 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2646 ConstructedInterpolants, 0 QuantifiedInterpolants, 1875928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 2068/2267 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...