/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/Problem03_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:53:35,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:53:35,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:53:35,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:53:35,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:53:35,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:53:35,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:53:35,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:53:35,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:53:35,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:53:35,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:53:35,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:53:35,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:53:35,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:53:35,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:53:35,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:53:35,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:53:35,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:53:35,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:53:35,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:53:35,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:53:35,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:53:35,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:53:35,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:53:35,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:53:35,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:53:35,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:53:35,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:53:35,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:53:35,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:53:35,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:53:35,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:53:35,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:53:35,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:53:35,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:53:35,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:53:35,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:53:35,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:53:35,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:53:35,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:53:35,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:53:35,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 00:53:35,263 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:53:35,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:53:35,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:53:35,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:53:35,266 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:53:35,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:53:35,267 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:53:35,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:53:35,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:53:35,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:53:35,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:53:35,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:53:35,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:53:35,269 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:53:35,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:53:35,270 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:53:35,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:53:35,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:53:35,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:53:35,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:53:35,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:53:35,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:53:35,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:53:35,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:53:35,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:53:35,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:53:35,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:53:35,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:53:35,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:53:35,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:53:35,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:53:35,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:53:35,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:53:35,630 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:53:35,631 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:53:35,631 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label38.c [2020-10-14 00:53:35,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be95f9e4f/b5f279e059ea456086b04d311285660f/FLAG3fbac3ff6 [2020-10-14 00:53:36,383 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:53:36,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label38.c [2020-10-14 00:53:36,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be95f9e4f/b5f279e059ea456086b04d311285660f/FLAG3fbac3ff6 [2020-10-14 00:53:36,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be95f9e4f/b5f279e059ea456086b04d311285660f [2020-10-14 00:53:36,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:53:36,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:53:36,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:53:36,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:53:36,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:53:36,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:53:36" (1/1) ... [2020-10-14 00:53:36,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7184f8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:36, skipping insertion in model container [2020-10-14 00:53:36,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:53:36" (1/1) ... [2020-10-14 00:53:36,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:53:36,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:53:37,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:53:37,475 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:53:37,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:53:37,836 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:53:37,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:37 WrapperNode [2020-10-14 00:53:37,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:53:37,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:53:37,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:53:37,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:53:37,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:37" (1/1) ... [2020-10-14 00:53:37,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:37" (1/1) ... [2020-10-14 00:53:37,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:37" (1/1) ... [2020-10-14 00:53:37,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:37" (1/1) ... [2020-10-14 00:53:37,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:37" (1/1) ... [2020-10-14 00:53:38,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:37" (1/1) ... [2020-10-14 00:53:38,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:37" (1/1) ... [2020-10-14 00:53:38,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:53:38,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:53:38,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:53:38,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:53:38,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:53:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:53:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:53:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:53:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:53:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:53:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:53:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:53:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:53:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:53:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:53:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:53:40,020 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:53:40,021 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:53:40,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:53:40 BoogieIcfgContainer [2020-10-14 00:53:40,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:53:40,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:53:40,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:53:40,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:53:40,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:53:36" (1/3) ... [2020-10-14 00:53:40,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1e693a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:53:40, skipping insertion in model container [2020-10-14 00:53:40,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:37" (2/3) ... [2020-10-14 00:53:40,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1e693a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:53:40, skipping insertion in model container [2020-10-14 00:53:40,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:53:40" (3/3) ... [2020-10-14 00:53:40,037 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label38.c [2020-10-14 00:53:40,048 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:53:40,056 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:53:40,072 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:53:40,102 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:53:40,103 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:53:40,103 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:53:40,103 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:53:40,103 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:53:40,103 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:53:40,103 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:53:40,104 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:53:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-10-14 00:53:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 00:53:40,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:53:40,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:53:40,158 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:53:40,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:53:40,165 INFO L82 PathProgramCache]: Analyzing trace with hash -2093619232, now seen corresponding path program 1 times [2020-10-14 00:53:40,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:53:40,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99529216] [2020-10-14 00:53:40,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:53:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:40,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:41,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:44,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:44,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 00:53:44,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:53:44,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4110 [2020-10-14 00:53:44,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:44,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:53:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:53:44,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 00:53:44,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 00:53:45,306 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:53:45,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:53:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:45,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:45,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:45,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:53:45,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:45,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 00:53:45,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:45,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:45,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:53:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:53:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:53:45,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:53:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:53:45,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99529216] [2020-10-14 00:53:45,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:53:45,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 00:53:45,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068610509] [2020-10-14 00:53:45,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 00:53:45,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:53:45,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 00:53:45,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 00:53:45,578 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 4 states. [2020-10-14 00:53:45,822 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:53:48,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:53:48,570 INFO L93 Difference]: Finished difference Result 884 states and 1536 transitions. [2020-10-14 00:53:48,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:53:48,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2020-10-14 00:53:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:53:48,591 INFO L225 Difference]: With dead ends: 884 [2020-10-14 00:53:48,591 INFO L226 Difference]: Without dead ends: 480 [2020-10-14 00:53:48,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:53:48,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-10-14 00:53:48,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 475. [2020-10-14 00:53:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-14 00:53:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 728 transitions. [2020-10-14 00:53:48,694 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 728 transitions. Word has length 207 [2020-10-14 00:53:48,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:53:48,695 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 728 transitions. [2020-10-14 00:53:48,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 00:53:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 728 transitions. [2020-10-14 00:53:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-14 00:53:48,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:53:48,708 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:53:48,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:53:48,709 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:53:48,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:53:48,710 INFO L82 PathProgramCache]: Analyzing trace with hash -288470301, now seen corresponding path program 1 times [2020-10-14 00:53:48,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:53:48,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1505549217] [2020-10-14 00:53:48,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:53:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:48,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:49,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:50,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:51,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:51,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:51,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 00:53:51,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:53:51,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2953 [2020-10-14 00:53:51,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:51,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:53:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 00:53:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 00:53:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:53:52,024 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:53:52,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:53:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:52,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:52,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:52,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:53:52,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:52,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 00:53:52,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:52,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:53:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:53:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:53:52,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 00:53:52,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:53:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:52,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:52,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:52,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:53:52,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 00:53:52,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:52,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:52,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:53:52,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:53:52,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:53:52,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:53:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:53:52,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1505549217] [2020-10-14 00:53:52,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:53:52,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:53:52,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849606937] [2020-10-14 00:53:52,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:53:52,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:53:52,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:53:52,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:53:52,414 INFO L87 Difference]: Start difference. First operand 475 states and 728 transitions. Second operand 5 states. [2020-10-14 00:53:52,854 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:53:55,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:53:55,532 INFO L93 Difference]: Finished difference Result 1371 states and 2130 transitions. [2020-10-14 00:53:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:53:55,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2020-10-14 00:53:55,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:53:55,541 INFO L225 Difference]: With dead ends: 1371 [2020-10-14 00:53:55,541 INFO L226 Difference]: Without dead ends: 902 [2020-10-14 00:53:55,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:53:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-10-14 00:53:55,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 895. [2020-10-14 00:53:55,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-14 00:53:55,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1222 transitions. [2020-10-14 00:53:55,636 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1222 transitions. Word has length 216 [2020-10-14 00:53:55,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:53:55,637 INFO L479 AbstractCegarLoop]: Abstraction has 895 states and 1222 transitions. [2020-10-14 00:53:55,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:53:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1222 transitions. [2020-10-14 00:53:55,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 00:53:55,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:53:55,645 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:53:55,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:53:55,646 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:53:55,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:53:55,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1838937184, now seen corresponding path program 1 times [2020-10-14 00:53:55,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:53:55,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880674883] [2020-10-14 00:53:55,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:53:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:55,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:56,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:57,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:57,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-14 00:53:57,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:53:57,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2173 [2020-10-14 00:53:57,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:57,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:53:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-14 00:53:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 00:53:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:53:58,107 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:53:58,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:53:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:58,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:58,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:58,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:53:58,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:58,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 00:53:58,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:58,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:58,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:53:58,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:53:58,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:53:58,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:53:58,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:53:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:58,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:58,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:53:58,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 00:53:58,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:53:58,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 00:53:58,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:53:58,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:53:58,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:53:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:53:58,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 00:53:58,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:53:58,401 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:53:58,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880674883] [2020-10-14 00:53:58,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:53:58,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:53:58,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313071712] [2020-10-14 00:53:58,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:53:58,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:53:58,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:53:58,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:53:58,408 INFO L87 Difference]: Start difference. First operand 895 states and 1222 transitions. Second operand 5 states. [2020-10-14 00:53:58,614 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:01,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:01,280 INFO L93 Difference]: Finished difference Result 2639 states and 3659 transitions. [2020-10-14 00:54:01,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:54:01,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 225 [2020-10-14 00:54:01,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:01,295 INFO L225 Difference]: With dead ends: 2639 [2020-10-14 00:54:01,295 INFO L226 Difference]: Without dead ends: 1750 [2020-10-14 00:54:01,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:54:01,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2020-10-14 00:54:01,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1739. [2020-10-14 00:54:01,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1739 states. [2020-10-14 00:54:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 2326 transitions. [2020-10-14 00:54:01,370 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 2326 transitions. Word has length 225 [2020-10-14 00:54:01,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:01,375 INFO L479 AbstractCegarLoop]: Abstraction has 1739 states and 2326 transitions. [2020-10-14 00:54:01,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:54:01,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2326 transitions. [2020-10-14 00:54:01,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-14 00:54:01,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:01,383 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:54:01,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:54:01,384 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:01,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:01,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1685931753, now seen corresponding path program 1 times [2020-10-14 00:54:01,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:01,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1052486981] [2020-10-14 00:54:01,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:01,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:01,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:03,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:03,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 00:54:03,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:54:03,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1950 [2020-10-14 00:54:03,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:03,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:03,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:03,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 00:54:03,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 00:54:03,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:03,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:03,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:03,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:03,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:03,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:03,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:54:03,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:03,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:03,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:03,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:03,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:03,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:03,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 00:54:03,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:03,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 00:54:03,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:03,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 00:54:03,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:54:03,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1052486981] [2020-10-14 00:54:03,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:03,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:54:03,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055692625] [2020-10-14 00:54:03,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:54:03,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:03,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:54:03,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:03,840 INFO L87 Difference]: Start difference. First operand 1739 states and 2326 transitions. Second operand 5 states. [2020-10-14 00:54:04,010 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:06,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:06,431 INFO L93 Difference]: Finished difference Result 5163 states and 7064 transitions. [2020-10-14 00:54:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:54:06,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-14 00:54:06,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:06,454 INFO L225 Difference]: With dead ends: 5163 [2020-10-14 00:54:06,455 INFO L226 Difference]: Without dead ends: 3430 [2020-10-14 00:54:06,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:54:06,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2020-10-14 00:54:06,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 3423. [2020-10-14 00:54:06,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3423 states. [2020-10-14 00:54:06,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4479 transitions. [2020-10-14 00:54:06,574 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4479 transitions. Word has length 226 [2020-10-14 00:54:06,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:06,574 INFO L479 AbstractCegarLoop]: Abstraction has 3423 states and 4479 transitions. [2020-10-14 00:54:06,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:54:06,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4479 transitions. [2020-10-14 00:54:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-14 00:54:06,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:06,587 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:54:06,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:54:06,587 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:06,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:06,588 INFO L82 PathProgramCache]: Analyzing trace with hash -850359650, now seen corresponding path program 1 times [2020-10-14 00:54:06,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:06,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950831717] [2020-10-14 00:54:06,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:06,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:06,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:07,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:08,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:09,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:11,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:11,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-14 00:54:11,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:54:11,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-14 00:54:11,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:11,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 00:54:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-14 00:54:11,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:12,014 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:12,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:12,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:12,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:12,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:12,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:12,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:54:12,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:12,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:12,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:12,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:12,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:12,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:12,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:54:12,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:12,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:54:12,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:12,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:12,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:12,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:12,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:12,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:54:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:12,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:12,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:12,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 00:54:12,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:12,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 00:54:12,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:12,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:12,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:12,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:54:12,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-14 00:54:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 00:54:12,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950831717] [2020-10-14 00:54:12,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:12,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:54:12,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464326910] [2020-10-14 00:54:12,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:54:12,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:12,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:54:12,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:12,428 INFO L87 Difference]: Start difference. First operand 3423 states and 4479 transitions. Second operand 5 states. [2020-10-14 00:54:12,979 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:15,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:15,382 INFO L93 Difference]: Finished difference Result 8519 states and 11548 transitions. [2020-10-14 00:54:15,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:54:15,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 243 [2020-10-14 00:54:15,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:15,413 INFO L225 Difference]: With dead ends: 8519 [2020-10-14 00:54:15,413 INFO L226 Difference]: Without dead ends: 5102 [2020-10-14 00:54:15,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:54:15,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5102 states. [2020-10-14 00:54:15,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5102 to 5095. [2020-10-14 00:54:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5095 states. [2020-10-14 00:54:15,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 6878 transitions. [2020-10-14 00:54:15,591 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 6878 transitions. Word has length 243 [2020-10-14 00:54:15,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:15,591 INFO L479 AbstractCegarLoop]: Abstraction has 5095 states and 6878 transitions. [2020-10-14 00:54:15,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:54:15,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 6878 transitions. [2020-10-14 00:54:15,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-14 00:54:15,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:15,609 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:54:15,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:54:15,609 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:15,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:15,610 INFO L82 PathProgramCache]: Analyzing trace with hash 228067521, now seen corresponding path program 1 times [2020-10-14 00:54:15,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:15,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634264808] [2020-10-14 00:54:15,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:15,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:15,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:15,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:16,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:17,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:18,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:20,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:20,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:20,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-14 00:54:20,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 00:54:20,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-14 00:54:20,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:20,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:20,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:20,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 00:54:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 00:54:20,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:20,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:20,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:20,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:20,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:20,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:20,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:54:20,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:20,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:20,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:20,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:21,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:21,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:21,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:54:21,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:21,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:54:21,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:21,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:21,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:21,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:21,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:54:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:21,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:21,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:21,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 00:54:21,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:21,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 00:54:21,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:21,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 00:54:21,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:21,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 00:54:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:21,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:21,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:21,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 00:54:21,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:21,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 00:54:21,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:21,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:21,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:21,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:54:21,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 00:54:21,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 00:54:21,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634264808] [2020-10-14 00:54:21,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:21,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:54:21,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545850708] [2020-10-14 00:54:21,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:54:21,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:21,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:54:21,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:54:21,407 INFO L87 Difference]: Start difference. First operand 5095 states and 6878 transitions. Second operand 7 states. [2020-10-14 00:54:21,782 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:54:21,953 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:26,137 INFO L93 Difference]: Finished difference Result 12898 states and 18249 transitions. [2020-10-14 00:54:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 00:54:26,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2020-10-14 00:54:26,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:26,187 INFO L225 Difference]: With dead ends: 12898 [2020-10-14 00:54:26,188 INFO L226 Difference]: Without dead ends: 7809 [2020-10-14 00:54:26,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:54:26,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7809 states. [2020-10-14 00:54:26,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7809 to 7706. [2020-10-14 00:54:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7706 states. [2020-10-14 00:54:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7706 states to 7706 states and 10258 transitions. [2020-10-14 00:54:26,485 INFO L78 Accepts]: Start accepts. Automaton has 7706 states and 10258 transitions. Word has length 266 [2020-10-14 00:54:26,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:26,485 INFO L479 AbstractCegarLoop]: Abstraction has 7706 states and 10258 transitions. [2020-10-14 00:54:26,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:54:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 7706 states and 10258 transitions. [2020-10-14 00:54:26,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-10-14 00:54:26,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:26,517 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:54:26,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:54:26,517 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:26,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:26,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1466681545, now seen corresponding path program 1 times [2020-10-14 00:54:26,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:26,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114627184] [2020-10-14 00:54:26,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:26,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:26,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:26,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:28,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:29,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:31,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:31,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-14 00:54:31,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:54:31,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 00:54:31,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:31,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:31,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:31,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 00:54:31,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 00:54:31,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:31,800 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:31,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:31,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:31,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:31,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:31,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:31,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:54:31,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:31,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:31,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:31,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:31,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:31,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:31,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:54:31,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:31,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:54:31,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:31,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:31,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:31,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:31,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:31,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:31,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:54:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:31,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:31,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:31,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 00:54:31,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:31,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 00:54:31,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:31,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:31,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:31,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:31,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:54:31,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:31,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 00:54:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:32,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:32,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:32,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:54:32,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:32,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 00:54:32,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:32,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:54:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 00:54:32,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 00:54:32,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114627184] [2020-10-14 00:54:32,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:32,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:54:32,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854932420] [2020-10-14 00:54:32,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:54:32,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:32,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:54:32,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:54:32,188 INFO L87 Difference]: Start difference. First operand 7706 states and 10258 transitions. Second operand 7 states. [2020-10-14 00:54:32,453 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 00:54:33,050 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:37,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:37,886 INFO L93 Difference]: Finished difference Result 23833 states and 35320 transitions. [2020-10-14 00:54:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 00:54:37,886 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 270 [2020-10-14 00:54:37,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:37,998 INFO L225 Difference]: With dead ends: 23833 [2020-10-14 00:54:37,998 INFO L226 Difference]: Without dead ends: 16133 [2020-10-14 00:54:38,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:54:38,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16133 states. [2020-10-14 00:54:38,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16133 to 15741. [2020-10-14 00:54:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15741 states. [2020-10-14 00:54:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15741 states to 15741 states and 21261 transitions. [2020-10-14 00:54:38,734 INFO L78 Accepts]: Start accepts. Automaton has 15741 states and 21261 transitions. Word has length 270 [2020-10-14 00:54:38,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:38,735 INFO L479 AbstractCegarLoop]: Abstraction has 15741 states and 21261 transitions. [2020-10-14 00:54:38,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:54:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 15741 states and 21261 transitions. [2020-10-14 00:54:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-14 00:54:38,796 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:38,796 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:54:38,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:54:38,797 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:38,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:38,797 INFO L82 PathProgramCache]: Analyzing trace with hash 2079110564, now seen corresponding path program 1 times [2020-10-14 00:54:38,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:38,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743362415] [2020-10-14 00:54:38,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:38,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:38,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:39,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:41,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:43,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:43,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-14 00:54:43,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:54:43,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 00:54:43,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:43,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 00:54:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 00:54:43,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:44,117 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:44,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:44,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:44,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:44,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:44,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:44,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:54:44,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:44,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:44,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:44,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:44,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:44,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:44,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:44,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:44,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 00:54:44,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:44,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 00:54:44,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:44,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:44,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:44,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:44,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:44,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 00:54:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:44,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:44,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:44,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:54:44,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:44,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 00:54:44,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:44,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:44,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:44,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 00:54:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 00:54:44,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743362415] [2020-10-14 00:54:44,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:44,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:54:44,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131983785] [2020-10-14 00:54:44,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:54:44,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:44,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:54:44,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:44,414 INFO L87 Difference]: Start difference. First operand 15741 states and 21261 transitions. Second operand 5 states. [2020-10-14 00:54:44,624 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:54:47,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:47,179 INFO L93 Difference]: Finished difference Result 40928 states and 55203 transitions. [2020-10-14 00:54:47,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:54:47,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 282 [2020-10-14 00:54:47,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:47,180 INFO L225 Difference]: With dead ends: 40928 [2020-10-14 00:54:47,180 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:54:47,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:54:47,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:54:47,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:54:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:54:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:54:47,250 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 282 [2020-10-14 00:54:47,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:47,250 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:54:47,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:54:47,250 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:54:47,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:54:47,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:54:47,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:54:50,411 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 504 DAG size of output: 45 [2020-10-14 00:54:51,443 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 504 DAG size of output: 45 [2020-10-14 00:54:51,657 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 94 [2020-10-14 00:54:53,886 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 384 DAG size of output: 119 [2020-10-14 00:54:53,995 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:54,102 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2020-10-14 00:54:54,209 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2020-10-14 00:54:54,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:54:54,214 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a5~0 |old(~a5~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~v~0 |old(~v~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 00:54:54,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:54:54,214 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:54:54,214 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:54:54,215 INFO L268 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,215 INFO L268 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,215 INFO L268 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,215 INFO L268 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,215 INFO L268 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,216 INFO L268 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,216 INFO L268 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,216 INFO L268 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2020-10-14 00:54:54,216 INFO L268 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,216 INFO L268 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2020-10-14 00:54:54,216 INFO L268 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2020-10-14 00:54:54,216 INFO L268 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,217 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,218 INFO L268 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,218 INFO L268 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,218 INFO L268 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2020-10-14 00:54:54,218 INFO L268 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2020-10-14 00:54:54,218 INFO L268 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2020-10-14 00:54:54,218 INFO L268 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,218 INFO L268 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,218 INFO L268 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,218 INFO L268 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,218 INFO L268 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2020-10-14 00:54:54,219 INFO L268 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,220 INFO L268 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,221 INFO L268 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,222 INFO L268 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,223 INFO L268 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:54:54,224 INFO L268 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a26~0 |old(~a26~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= ~a6~0 |old(~a6~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|)) (.cse7 (= ~a29~0 |old(~a29~0)|)) (.cse8 (= ~a1~0 |old(~a1~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse30 (= ~a3~0 |old(~a3~0)|)) (.cse10 (= ~a0~0 |old(~a0~0)|)) (.cse11 (= ~a9~0 |old(~a9~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse13 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a5~0 |old(~a5~0)|)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= ~a4~0 |old(~a4~0)|)) (.cse17 (= ~a2~0 |old(~a2~0)|)) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse19 (= ~a14~0 |old(~a14~0)|)) (.cse20 (= ~a25~0 |old(~a25~0)|)) (.cse21 (= ~a23~0 |old(~a23~0)|)) (.cse22 (= ~a12~0 |old(~a12~0)|)) (.cse23 (= ~a15~0 |old(~a15~0)|)) (.cse24 (= ~a13~0 |old(~a13~0)|)) (.cse25 (= ~a24~0 |old(~a24~0)|)) (.cse26 (= ~a20~0 |old(~a20~0)|)) (.cse27 (= ~a22~0 |old(~a22~0)|)) (.cse28 (= ~a10~0 |old(~a10~0)|)) (.cse29 (= ~a27~0 |old(~a27~0)|))) (let ((.cse0 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse30 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29)) (.cse1 (not (= |old(~a11~0)| 1)))) (and (or .cse0 .cse1 (not (= |old(~a6~0)| 0))) (or .cse0 (not (= |old(~a12~0)| 1)) .cse1) (or (not (= 2 |old(~a3~0)|)) .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 (= 2 ~a3~0) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29)) (or (and .cse2 .cse4 .cse5 .cse6 .cse7 (<= 1 ~a26~0) .cse8 .cse9 .cse30 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (<= ~a26~0 1) .cse25 .cse26 .cse27 .cse28 .cse29) (not (<= |old(~a26~0)| 1)) .cse1 (not (<= 1 |old(~a26~0)|))) (or .cse0 (not (<= |old(~a11~0)| 0))) (or (not (<= |old(~a3~0)| 0)) .cse0 .cse1)))) [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:54:54,225 INFO L268 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:54:54,226 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:54:54,226 INFO L268 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:54:54,226 INFO L268 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2020-10-14 00:54:54,226 INFO L268 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2020-10-14 00:54:54,226 INFO L268 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2020-10-14 00:54:54,226 INFO L268 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,226 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,226 INFO L268 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,226 INFO L268 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,227 INFO L268 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,227 INFO L268 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,227 INFO L268 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2020-10-14 00:54:54,227 INFO L268 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2020-10-14 00:54:54,227 INFO L268 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,227 INFO L268 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,227 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,227 INFO L268 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,227 INFO L268 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,228 INFO L268 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,228 INFO L268 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,228 INFO L268 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,228 INFO L268 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,228 INFO L268 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2020-10-14 00:54:54,228 INFO L268 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2020-10-14 00:54:54,228 INFO L268 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,228 INFO L268 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,229 INFO L268 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,229 INFO L268 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,229 INFO L268 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,229 INFO L268 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,229 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,229 INFO L268 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,229 INFO L268 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,229 INFO L268 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2020-10-14 00:54:54,230 INFO L268 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2020-10-14 00:54:54,230 INFO L268 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,230 INFO L268 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,230 INFO L268 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:54:54,230 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:54:54,230 INFO L268 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,230 INFO L268 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,230 INFO L268 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,231 INFO L268 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,231 INFO L268 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,231 INFO L268 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2020-10-14 00:54:54,231 INFO L268 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2020-10-14 00:54:54,231 INFO L268 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,231 INFO L268 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,231 INFO L268 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,231 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1638) no Hoare annotation was computed. [2020-10-14 00:54:54,231 INFO L268 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,232 INFO L268 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,232 INFO L268 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,232 INFO L268 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,232 INFO L268 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,232 INFO L268 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:54:54,232 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:54:54,232 INFO L268 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2020-10-14 00:54:54,232 INFO L268 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,232 INFO L268 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2020-10-14 00:54:54,232 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,233 INFO L268 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,233 INFO L268 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,233 INFO L268 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,233 INFO L268 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,233 INFO L268 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,233 INFO L268 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,233 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2020-10-14 00:54:54,233 INFO L268 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,233 INFO L268 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,234 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:54:54,235 INFO L268 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:54:54,235 INFO L268 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,235 INFO L268 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,235 INFO L268 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2020-10-14 00:54:54,235 INFO L268 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2020-10-14 00:54:54,235 INFO L268 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2020-10-14 00:54:54,235 INFO L268 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,235 INFO L268 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,235 INFO L268 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,235 INFO L268 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,236 INFO L268 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,236 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,236 INFO L268 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,236 INFO L268 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,236 INFO L268 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,236 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,236 INFO L268 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,236 INFO L268 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,236 INFO L268 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2020-10-14 00:54:54,236 INFO L268 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2020-10-14 00:54:54,237 INFO L268 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2020-10-14 00:54:54,237 INFO L268 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,237 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,237 INFO L268 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,237 INFO L268 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,237 INFO L268 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,237 INFO L268 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,237 INFO L268 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,237 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:54:54,238 INFO L268 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:54:54,238 INFO L268 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,238 INFO L268 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2020-10-14 00:54:54,238 INFO L268 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2020-10-14 00:54:54,238 INFO L268 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2020-10-14 00:54:54,238 INFO L268 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,238 INFO L268 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,238 INFO L268 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,238 INFO L268 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,239 INFO L268 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,239 INFO L268 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:54:54,239 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:54:54,239 INFO L268 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,239 INFO L268 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,239 INFO L268 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,239 INFO L268 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2020-10-14 00:54:54,239 INFO L268 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2020-10-14 00:54:54,240 INFO L268 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,240 INFO L268 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2020-10-14 00:54:54,240 INFO L268 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,240 INFO L268 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,240 INFO L268 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,240 INFO L268 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,240 INFO L268 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,240 INFO L268 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,240 INFO L268 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,241 INFO L268 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,241 INFO L268 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,241 INFO L268 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,241 INFO L268 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2020-10-14 00:54:54,241 INFO L268 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2020-10-14 00:54:54,241 INFO L268 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2020-10-14 00:54:54,241 INFO L268 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,241 INFO L268 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:54:54,241 INFO L268 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:54:54,242 INFO L268 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,242 INFO L268 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,242 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,242 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,242 INFO L268 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,242 INFO L268 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,242 INFO L268 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,242 INFO L268 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,242 INFO L268 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,243 INFO L268 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2020-10-14 00:54:54,243 INFO L268 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2020-10-14 00:54:54,243 INFO L268 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2020-10-14 00:54:54,243 INFO L268 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,243 INFO L268 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,243 INFO L268 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,243 INFO L268 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,243 INFO L268 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:54:54,243 INFO L268 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,243 INFO L268 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2020-10-14 00:54:54,244 INFO L268 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2020-10-14 00:54:54,244 INFO L268 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,244 INFO L268 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2020-10-14 00:54:54,244 INFO L268 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2020-10-14 00:54:54,244 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:54:54,244 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a6~0 0) (<= ~a11~0 0)) [2020-10-14 00:54:54,244 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:54:54,244 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:54:54,244 INFO L268 CegarLoopResult]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2020-10-14 00:54:54,245 INFO L268 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2020-10-14 00:54:54,245 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (<= |old(~a11~0)| 0)) (not (= |old(~a6~0)| 0))) [2020-10-14 00:54:54,245 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:54:54,245 INFO L264 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1))) (or (<= ~a11~0 0) (and .cse0 (<= ~a3~0 0)) (and (= ~a12~0 1) .cse0) (and (<= 1 ~a26~0) .cse0 (<= ~a26~0 1)) (and (= ~a6~0 0) .cse0) (and (= 2 ~a3~0) .cse0) (not (<= |old(~a11~0)| 0)) (not (= |old(~a6~0)| 0)))) [2020-10-14 00:54:54,245 INFO L268 CegarLoopResult]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:54:54,245 INFO L264 CegarLoopResult]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1))) (or (<= ~a11~0 0) (and .cse0 (<= ~a3~0 0)) (and (= ~a12~0 1) .cse0) (and (<= 1 ~a26~0) .cse0 (<= ~a26~0 1)) (and (= ~a6~0 0) .cse0) (and (= 2 ~a3~0) .cse0) (not (<= |old(~a11~0)| 0)) (not (= |old(~a6~0)| 0)))) [2020-10-14 00:54:54,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:54:54 BoogieIcfgContainer [2020-10-14 00:54:54,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:54:54,269 INFO L168 Benchmark]: Toolchain (without parser) took 77665.25 ms. Allocated memory was 148.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 98.7 MB in the beginning and 261.5 MB in the end (delta: -162.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-14 00:54:54,270 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 00:54:54,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1233.20 ms. Allocated memory was 148.4 MB in the beginning and 206.6 MB in the end (delta: 58.2 MB). Free memory was 98.7 MB in the beginning and 126.0 MB in the end (delta: -27.3 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2020-10-14 00:54:54,272 INFO L168 Benchmark]: Boogie Preprocessor took 200.73 ms. Allocated memory is still 206.6 MB. Free memory was 126.0 MB in the beginning and 114.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-10-14 00:54:54,275 INFO L168 Benchmark]: RCFGBuilder took 1987.92 ms. Allocated memory was 206.6 MB in the beginning and 252.2 MB in the end (delta: 45.6 MB). Free memory was 113.8 MB in the beginning and 96.8 MB in the end (delta: 17.0 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. [2020-10-14 00:54:54,276 INFO L168 Benchmark]: TraceAbstraction took 74237.81 ms. Allocated memory was 252.2 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 96.8 MB in the beginning and 261.5 MB in the end (delta: -164.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-14 00:54:54,281 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1233.20 ms. Allocated memory was 148.4 MB in the beginning and 206.6 MB in the end (delta: 58.2 MB). Free memory was 98.7 MB in the beginning and 126.0 MB in the end (delta: -27.3 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 200.73 ms. Allocated memory is still 206.6 MB. Free memory was 126.0 MB in the beginning and 114.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1987.92 ms. Allocated memory was 206.6 MB in the beginning and 252.2 MB in the end (delta: 45.6 MB). Free memory was 113.8 MB in the beginning and 96.8 MB in the end (delta: 17.0 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 74237.81 ms. Allocated memory was 252.2 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 96.8 MB in the beginning and 261.5 MB in the end (delta: -164.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1638]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((a11 <= 0 || (a11 == 1 && a3 <= 0)) || (a12 == 1 && a11 == 1)) || ((1 <= a26 && a11 == 1) && a26 <= 1)) || (a6 == 0 && a11 == 1)) || (2 == a3 && a11 == 1)) || !(\old(a11) <= 0)) || !(\old(a6) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 67.1s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 28.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 443 SDtfs, 3700 SDslu, 601 SDs, 0 SdLazy, 13916 SolverSat, 1634 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15741occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 532 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 330 PreInvPairs, 610 NumberOfFragments, 918 HoareAnnotationTreeSize, 330 FomulaSimplifications, 483028 FormulaSimplificationTreeSizeReduction, 4.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 18998 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 35.3s InterpolantComputationTime, 1935 NumberOfCodeBlocks, 1935 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1927 ConstructedInterpolants, 0 QuantifiedInterpolants, 1847115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 354/365 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...