/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:17:09,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:17:09,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:17:09,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:17:09,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:17:09,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:17:09,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:17:09,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:17:09,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:17:09,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:17:09,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:17:09,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:17:09,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:17:09,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:17:09,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:17:09,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:17:09,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:17:09,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:17:09,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:17:09,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:17:09,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:17:09,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:17:09,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:17:09,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:17:09,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:17:09,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:17:09,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:17:09,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:17:09,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:17:09,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:17:09,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:17:09,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:17:09,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:17:09,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:17:09,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:17:09,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:17:09,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:17:09,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:17:09,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:17:09,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:17:09,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:17:09,154 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 03:17:09,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:17:09,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:17:09,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:17:09,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:17:09,180 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:17:09,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:17:09,180 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:17:09,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:17:09,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:17:09,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:17:09,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:17:09,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:17:09,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:17:09,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:17:09,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:17:09,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:17:09,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:17:09,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:17:09,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:17:09,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:17:09,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:17:09,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:17:09,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:17:09,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:17:09,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:17:09,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:17:09,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:17:09,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:17:09,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:17:09,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 03:17:09,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:17:09,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:17:09,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:17:09,570 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:17:09,571 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:17:09,571 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-10-14 03:17:09,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1552e8dd4/5b61305e94264a0f9b0e432e87e1b37c/FLAGade7a7de1 [2020-10-14 03:17:10,216 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:17:10,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-10-14 03:17:10,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1552e8dd4/5b61305e94264a0f9b0e432e87e1b37c/FLAGade7a7de1 [2020-10-14 03:17:10,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1552e8dd4/5b61305e94264a0f9b0e432e87e1b37c [2020-10-14 03:17:10,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:17:10,437 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:17:10,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:17:10,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:17:10,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:17:10,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:17:10" (1/1) ... [2020-10-14 03:17:10,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf49487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:10, skipping insertion in model container [2020-10-14 03:17:10,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:17:10" (1/1) ... [2020-10-14 03:17:10,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:17:10,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:17:11,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:17:11,020 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:17:11,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:17:11,293 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:17:11,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:11 WrapperNode [2020-10-14 03:17:11,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:17:11,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:17:11,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:17:11,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:17:11,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:11" (1/1) ... [2020-10-14 03:17:11,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:11" (1/1) ... [2020-10-14 03:17:11,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:11" (1/1) ... [2020-10-14 03:17:11,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:11" (1/1) ... [2020-10-14 03:17:11,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:11" (1/1) ... [2020-10-14 03:17:11,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:11" (1/1) ... [2020-10-14 03:17:11,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:11" (1/1) ... [2020-10-14 03:17:11,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:17:11,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:17:11,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:17:11,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:17:11,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:17:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:17:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:17:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:17:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:17:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:17:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:17:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:17:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:17:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:17:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:17:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:17:13,037 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:17:13,037 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:17:13,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:17:13 BoogieIcfgContainer [2020-10-14 03:17:13,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:17:13,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:17:13,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:17:13,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:17:13,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:17:10" (1/3) ... [2020-10-14 03:17:13,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4851c4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:17:13, skipping insertion in model container [2020-10-14 03:17:13,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:17:11" (2/3) ... [2020-10-14 03:17:13,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4851c4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:17:13, skipping insertion in model container [2020-10-14 03:17:13,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:17:13" (3/3) ... [2020-10-14 03:17:13,054 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2020-10-14 03:17:13,068 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:17:13,078 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:17:13,096 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:17:13,127 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:17:13,127 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:17:13,128 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:17:13,128 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:17:13,128 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:17:13,128 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:17:13,128 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:17:13,129 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:17:13,154 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:17:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-14 03:17:13,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:13,164 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] [2020-10-14 03:17:13,164 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:13,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:13,171 INFO L82 PathProgramCache]: Analyzing trace with hash -736368013, now seen corresponding path program 1 times [2020-10-14 03:17:13,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:13,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703665928] [2020-10-14 03:17:13,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:13,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:13,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:13,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 03:17:13,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:13,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-10-14 03:17:13,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:13,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:17:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:17:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 03:17:13,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:17:13,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:13,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:13,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:13,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:13,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:17:13,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:13,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:17:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:13,915 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 03:17:13,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703665928] [2020-10-14 03:17:13,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:17:13,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 03:17:13,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158333139] [2020-10-14 03:17:13,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 03:17:13,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:13,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 03:17:13,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 03:17:13,950 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 03:17:15,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:15,556 INFO L93 Difference]: Finished difference Result 698 states and 1241 transitions. [2020-10-14 03:17:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:15,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-10-14 03:17:15,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:15,576 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:17:15,576 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:17:15,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:15,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:17:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-14 03:17:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-14 03:17:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 604 transitions. [2020-10-14 03:17:15,670 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 604 transitions. Word has length 40 [2020-10-14 03:17:15,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:15,670 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 604 transitions. [2020-10-14 03:17:15,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 03:17:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 604 transitions. [2020-10-14 03:17:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 03:17:15,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:15,676 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:15,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:17:15,677 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:15,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:15,677 INFO L82 PathProgramCache]: Analyzing trace with hash 587538301, now seen corresponding path program 1 times [2020-10-14 03:17:15,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:15,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579085939] [2020-10-14 03:17:15,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:15,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:15,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:16,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:16,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:16,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:17:16,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:17:16,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 841 [2020-10-14 03:17:16,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:16,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:16,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:16,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:17:16,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 03:17:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:17:16,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:16,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:16,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:16,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:16,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:16,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 03:17:16,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:16,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:16,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:16,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:16,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:17:16,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:16,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:16,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:16,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:17:16,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:16,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 03:17:16,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:16,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:17:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 42 [2020-10-14 03:17:16,842 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:16,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579085939] [2020-10-14 03:17:16,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:16,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:16,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786201204] [2020-10-14 03:17:16,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:16,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:16,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:16,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:16,848 INFO L87 Difference]: Start difference. First operand 374 states and 604 transitions. Second operand 5 states. [2020-10-14 03:17:18,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:18,455 INFO L93 Difference]: Finished difference Result 932 states and 1518 transitions. [2020-10-14 03:17:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:18,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-10-14 03:17:18,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:18,461 INFO L225 Difference]: With dead ends: 932 [2020-10-14 03:17:18,461 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 03:17:18,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 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 03:17:18,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 03:17:18,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 03:17:18,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:17:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 801 transitions. [2020-10-14 03:17:18,511 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 801 transitions. Word has length 109 [2020-10-14 03:17:18,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:18,518 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 801 transitions. [2020-10-14 03:17:18,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:18,518 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 801 transitions. [2020-10-14 03:17:18,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 03:17:18,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:18,521 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:18,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:17:18,522 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:18,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:18,522 INFO L82 PathProgramCache]: Analyzing trace with hash 769181710, now seen corresponding path program 1 times [2020-10-14 03:17:18,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:18,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874359785] [2020-10-14 03:17:18,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:18,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:18,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:19,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:19,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:19,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 03:17:19,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:17:19,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1124 [2020-10-14 03:17:19,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:19,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:17:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 03:17:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:19,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:19,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:19,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:19,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:19,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:19,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:17:19,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:19,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:19,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:19,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:19,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:19,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:17:19,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:19,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 03:17:19,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:19,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:19,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:19,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:19,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 03:17:19,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:19,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874359785] [2020-10-14 03:17:19,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:19,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:19,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948445328] [2020-10-14 03:17:19,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:19,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:19,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:19,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:19,891 INFO L87 Difference]: Start difference. First operand 560 states and 801 transitions. Second operand 5 states. [2020-10-14 03:17:21,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:21,529 INFO L93 Difference]: Finished difference Result 1670 states and 2424 transitions. [2020-10-14 03:17:21,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:21,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2020-10-14 03:17:21,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:21,538 INFO L225 Difference]: With dead ends: 1670 [2020-10-14 03:17:21,538 INFO L226 Difference]: Without dead ends: 1116 [2020-10-14 03:17:21,540 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 03:17:21,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-14 03:17:21,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 746. [2020-10-14 03:17:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-14 03:17:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1043 transitions. [2020-10-14 03:17:21,578 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1043 transitions. Word has length 114 [2020-10-14 03:17:21,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:21,579 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 1043 transitions. [2020-10-14 03:17:21,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1043 transitions. [2020-10-14 03:17:21,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-14 03:17:21,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:21,583 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:21,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:17:21,585 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:21,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:21,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1740849314, now seen corresponding path program 1 times [2020-10-14 03:17:21,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:21,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109139977] [2020-10-14 03:17:21,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:21,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:21,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:22,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:22,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:22,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 03:17:22,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:17:22,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 752 [2020-10-14 03:17:22,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:22,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:22,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 03:17:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 03:17:22,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:22,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:22,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:22,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:22,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:22,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:22,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:17:22,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:22,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:22,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:22,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:22,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:22,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:22,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:22,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:22,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 03:17:22,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:22,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 03:17:22,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:22,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:17:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:22,557 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:22,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109139977] [2020-10-14 03:17:22,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:22,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:22,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808631636] [2020-10-14 03:17:22,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:22,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:22,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:22,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:22,560 INFO L87 Difference]: Start difference. First operand 746 states and 1043 transitions. Second operand 5 states. [2020-10-14 03:17:24,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:24,481 INFO L93 Difference]: Finished difference Result 2230 states and 3173 transitions. [2020-10-14 03:17:24,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:24,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-14 03:17:24,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:24,492 INFO L225 Difference]: With dead ends: 2230 [2020-10-14 03:17:24,492 INFO L226 Difference]: Without dead ends: 1490 [2020-10-14 03:17:24,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:17:24,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2020-10-14 03:17:24,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1116. [2020-10-14 03:17:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-14 03:17:24,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1628 transitions. [2020-10-14 03:17:24,539 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1628 transitions. Word has length 120 [2020-10-14 03:17:24,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:24,539 INFO L479 AbstractCegarLoop]: Abstraction has 1116 states and 1628 transitions. [2020-10-14 03:17:24,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:24,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1628 transitions. [2020-10-14 03:17:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 03:17:24,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:24,543 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:24,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:17:24,543 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:24,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:24,543 INFO L82 PathProgramCache]: Analyzing trace with hash 206950710, now seen corresponding path program 1 times [2020-10-14 03:17:24,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:24,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647047921] [2020-10-14 03:17:24,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:24,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:24,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:25,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:25,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 03:17:25,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:17:25,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-10-14 03:17:25,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:25,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 03:17:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 03:17:25,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:25,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:25,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:25,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:25,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:25,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:17:25,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:25,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:25,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:25,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:25,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:25,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:25,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:25,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:17:25,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:25,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 03:17:25,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:25,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 03:17:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:25,462 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:25,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647047921] [2020-10-14 03:17:25,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:25,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:25,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869406405] [2020-10-14 03:17:25,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:25,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:25,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:25,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:25,465 INFO L87 Difference]: Start difference. First operand 1116 states and 1628 transitions. Second operand 5 states. [2020-10-14 03:17:26,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:26,769 INFO L93 Difference]: Finished difference Result 1678 states and 2517 transitions. [2020-10-14 03:17:26,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:26,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-14 03:17:26,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:26,781 INFO L225 Difference]: With dead ends: 1678 [2020-10-14 03:17:26,782 INFO L226 Difference]: Without dead ends: 1676 [2020-10-14 03:17:26,783 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 03:17:26,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2020-10-14 03:17:26,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1120. [2020-10-14 03:17:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-10-14 03:17:26,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1639 transitions. [2020-10-14 03:17:26,834 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1639 transitions. Word has length 126 [2020-10-14 03:17:26,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:26,834 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1639 transitions. [2020-10-14 03:17:26,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1639 transitions. [2020-10-14 03:17:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 03:17:26,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:26,837 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:17:26,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:17:26,837 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:26,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:26,838 INFO L82 PathProgramCache]: Analyzing trace with hash 320764362, now seen corresponding path program 1 times [2020-10-14 03:17:26,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:26,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868637894] [2020-10-14 03:17:26,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:26,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:26,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:27,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:27,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:27,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 03:17:27,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:17:27,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 806 [2020-10-14 03:17:27,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:27,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:27,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-14 03:17:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 03:17:27,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:27,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:27,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:27,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:27,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:27,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:27,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:17:27,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:27,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:27,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:27,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:27,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:27,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 03:17:27,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:27,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 03:17:27,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:27,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:17:27,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:17:27,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1868637894] [2020-10-14 03:17:27,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:27,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:17:27,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640077910] [2020-10-14 03:17:27,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:17:27,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:27,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:17:27,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:17:27,916 INFO L87 Difference]: Start difference. First operand 1120 states and 1639 transitions. Second operand 5 states. [2020-10-14 03:17:29,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:29,687 INFO L93 Difference]: Finished difference Result 2796 states and 4144 transitions. [2020-10-14 03:17:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:29,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-14 03:17:29,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:29,689 INFO L225 Difference]: With dead ends: 2796 [2020-10-14 03:17:29,689 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:17:29,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:17:29,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:17:29,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:17:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:17:29,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:17:29,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2020-10-14 03:17:29,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:29,697 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:17:29,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:17:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:17:29,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:17:29,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:17:29,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:17:30,252 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 40 [2020-10-14 03:17:30,320 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:17:30,321 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:17:30,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:17:30,321 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:17:30,321 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:17:30,321 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,321 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,322 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,322 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:17:30,322 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:17:30,322 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:17:30,322 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:17:30,322 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:17:30,323 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:17:30,323 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:17:30,323 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:17:30,325 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,325 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,325 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,325 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:17:30,325 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:17:30,326 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:17:30,326 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:17:30,326 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:17:30,326 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:17:30,328 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:17:30,328 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:17:30,329 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,330 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,330 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,330 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:17:30,330 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:17:30,330 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:17:30,330 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:17:30,331 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:17:30,332 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:17:30,332 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:17:30,332 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:17:30,332 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:17:30,332 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,333 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,333 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,333 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:17:30,337 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:17:30,337 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:17:30,337 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:17:30,337 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:17:30,337 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:17:30,338 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:17:30,338 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,338 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,338 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,338 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:17:30,338 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:17:30,338 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:17:30,338 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:17:30,339 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:17:30,339 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:17:30,339 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:17:30,339 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:17:30,339 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:17:30,339 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,339 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,340 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,340 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,340 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:17:30,340 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:17:30,340 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:17:30,340 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:17:30,340 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:17:30,340 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:17:30,341 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:17:30,341 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:17:30,341 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,343 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,343 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,344 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:17:30,344 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:17:30,344 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:17:30,344 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:17:30,344 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:17:30,344 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:17:30,344 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:17:30,344 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:17:30,345 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,345 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,345 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,345 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:17:30,345 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:17:30,345 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:17:30,345 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:17:30,345 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:17:30,346 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:17:30,346 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (and .cse1 (= ~a21~0 |old(~a21~0)|) .cse2 .cse3))) (and (or .cse0 (not (<= 0 (+ |old(~a12~0)| 42)))) (or (and .cse1 (= ~a21~0 9) .cse2 .cse3) (not (= 9 |old(~a21~0)|))) (or .cse0 (not (<= 7 |old(~a15~0)|))) (or .cse0 (not (= 5 |old(~a15~0)|))) (or (and .cse1 (= ~a21~0 6) .cse2 .cse3) (not (= 6 |old(~a21~0)|)))))) [2020-10-14 03:17:30,346 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:17:30,346 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:17:30,346 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,347 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,347 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,347 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:17:30,347 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:17:30,347 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:17:30,347 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:17:30,347 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:17:30,347 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:17:30,348 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:17:30,348 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:17:30,348 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,348 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,348 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,348 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:17:30,348 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:17:30,348 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:17:30,349 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:17:30,349 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:17:30,349 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:17:30,349 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:17:30,349 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:17:30,349 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,349 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,349 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,350 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:17:30,350 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:17:30,350 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:17:30,350 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:17:30,350 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:17:30,350 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:17:30,350 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:17:30,351 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:17:30,351 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,351 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,351 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,351 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:17:30,351 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:17:30,351 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:17:30,351 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:17:30,352 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:17:30,352 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:17:30,352 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:17:30,352 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:17:30,352 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,352 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,352 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:17:30,352 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:17:30,353 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:17:30,353 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:17:30,353 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:17:30,353 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:17:30,353 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:17:30,353 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:17:30,354 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-10-14 03:17:30,354 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,354 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,354 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:17:30,354 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:17:30,354 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:17:30,354 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:17:30,354 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:17:30,355 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:17:30,355 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,355 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,355 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:17:30,355 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:17:30,355 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:17:30,355 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:17:30,356 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:17:30,356 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:17:30,356 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:17:30,356 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:17:30,356 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,356 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,356 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:17:30,356 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:17:30,356 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:17:30,357 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:17:30,357 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:17:30,357 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:17:30,357 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:17:30,357 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,357 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,357 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,358 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:17:30,358 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:17:30,358 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:17:30,358 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:17:30,358 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:17:30,358 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:17:30,358 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,358 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,359 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:17:30,359 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,359 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:17:30,359 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:17:30,359 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:17:30,359 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:17:30,359 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:17:30,359 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:17:30,360 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:17:30,360 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:17:30,360 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:17:30,360 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:17:30,360 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,360 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,360 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,361 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:17:30,361 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:17:30,361 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:17:30,361 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:17:30,361 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:17:30,361 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:17:30,361 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:17:30,362 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:17:30,362 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,362 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,362 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,362 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:17:30,362 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:17:30,362 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:17:30,362 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:17:30,363 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:17:30,363 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:17:30,363 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:17:30,363 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:17:30,363 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,363 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,363 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,363 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:17:30,364 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:17:30,364 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:17:30,364 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:17:30,364 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:17:30,364 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:17:30,364 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:17:30,364 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:17:30,365 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:17:30,365 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,365 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,365 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:30,365 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:17:30,365 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:17:30,365 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:17:30,366 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:17:30,366 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:17:30,366 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:17:30,366 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 8 ~a15~0) [2020-10-14 03:17:30,367 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:17:30,368 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:17:30,368 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= 8 |old(~a15~0)|))) [2020-10-14 03:17:30,370 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:17:30,370 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (= 5 ~a15~0) (<= 0 (+ ~a12~0 42)) (<= 7 ~a15~0) (not (<= 8 |old(~a15~0)|)) (= ~a21~0 6) (= ~a21~0 9)) [2020-10-14 03:17:30,370 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:17:30,370 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:17:30,372 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (= 5 ~a15~0) (<= 0 (+ ~a12~0 42)) (<= 7 ~a15~0) (not (<= 8 |old(~a15~0)|)) (= ~a21~0 6) (= ~a21~0 9)) [2020-10-14 03:17:30,373 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:17:30,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:17:30 BoogieIcfgContainer [2020-10-14 03:17:30,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:17:30,406 INFO L168 Benchmark]: Toolchain (without parser) took 19969.20 ms. Allocated memory was 147.3 MB in the beginning and 539.0 MB in the end (delta: 391.6 MB). Free memory was 102.2 MB in the beginning and 454.2 MB in the end (delta: -352.0 MB). Peak memory consumption was 358.3 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:30,407 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 03:17:30,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 856.18 ms. Allocated memory was 147.3 MB in the beginning and 206.6 MB in the end (delta: 59.2 MB). Free memory was 101.8 MB in the beginning and 169.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:30,415 INFO L168 Benchmark]: Boogie Preprocessor took 166.08 ms. Allocated memory is still 206.6 MB. Free memory was 169.9 MB in the beginning and 163.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:30,415 INFO L168 Benchmark]: RCFGBuilder took 1584.59 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 163.8 MB in the beginning and 156.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:30,416 INFO L168 Benchmark]: TraceAbstraction took 17357.06 ms. Allocated memory was 240.1 MB in the beginning and 539.0 MB in the end (delta: 298.8 MB). Free memory was 154.9 MB in the beginning and 454.2 MB in the end (delta: -299.2 MB). Peak memory consumption was 318.2 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:30,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 856.18 ms. Allocated memory was 147.3 MB in the beginning and 206.6 MB in the end (delta: 59.2 MB). Free memory was 101.8 MB in the beginning and 169.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 166.08 ms. Allocated memory is still 206.6 MB. Free memory was 169.9 MB in the beginning and 163.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1584.59 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 163.8 MB in the beginning and 156.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17357.06 ms. Allocated memory was 240.1 MB in the beginning and 539.0 MB in the end (delta: 298.8 MB). Free memory was 154.9 MB in the beginning and 454.2 MB in the end (delta: -299.2 MB). Peak memory consumption was 318.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 880]: Loop Invariant Derived loop invariant: ((((5 == a15 || 0 <= a12 + 42) || 7 <= a15) || !(8 <= \old(a15))) || a21 == 6) || a21 == 9 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 156 SDtfs, 2435 SDslu, 107 SDs, 0 SdLazy, 6171 SolverSat, 660 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1120occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1310 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 33 PreInvPairs, 55 NumberOfFragments, 190 HoareAnnotationTreeSize, 33 FomulaSimplifications, 13391 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 531 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 641 NumberOfCodeBlocks, 641 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 635 ConstructedInterpolants, 0 QuantifiedInterpolants, 153469 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 160/165 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...