/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:51:38,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:51:38,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:51:38,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:51:38,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:51:38,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:51:38,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:51:38,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:51:38,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:51:38,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:51:38,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:51:38,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:51:38,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:51:38,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:51:38,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:51:38,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:51:38,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:51:38,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:51:38,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:51:38,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:51:38,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:51:38,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:51:38,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:51:38,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:51:38,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:51:38,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:51:38,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:51:38,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:51:38,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:51:38,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:51:38,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:51:38,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:51:38,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:51:38,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:51:38,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:51:38,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:51:38,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:51:38,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:51:38,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:51:38,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:51:38,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:51:38,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:51:38,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:51:38,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:51:38,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:51:38,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:51:38,208 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:51:38,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:51:38,209 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:51:38,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:51:38,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:51:38,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:51:38,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:51:38,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:51:38,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:51:38,212 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:51:38,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:51:38,212 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:51:38,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:51:38,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:51:38,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:51:38,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:51:38,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:51:38,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:51:38,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:51:38,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:51:38,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:51:38,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:51:38,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:51:38,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:51:38,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:51:38,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:51:38,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:51:38,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:51:38,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:51:38,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:51:38,542 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:51:38,543 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label09.c [2020-10-14 20:51:38,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5e8e0322/9f6c069dd72e4fd08a7982df7cc8fa11/FLAG2c72781d6 [2020-10-14 20:51:39,231 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:51:39,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label09.c [2020-10-14 20:51:39,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5e8e0322/9f6c069dd72e4fd08a7982df7cc8fa11/FLAG2c72781d6 [2020-10-14 20:51:39,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5e8e0322/9f6c069dd72e4fd08a7982df7cc8fa11 [2020-10-14 20:51:39,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:51:39,496 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:51:39,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:51:39,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:51:39,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:51:39,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:51:39" (1/1) ... [2020-10-14 20:51:39,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb9461a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:39, skipping insertion in model container [2020-10-14 20:51:39,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:51:39" (1/1) ... [2020-10-14 20:51:39,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:51:39,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:51:39,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:51:39,988 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:51:40,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:51:40,226 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:51:40,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:40 WrapperNode [2020-10-14 20:51:40,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:51:40,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:51:40,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:51:40,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:51:40,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:40" (1/1) ... [2020-10-14 20:51:40,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:40" (1/1) ... [2020-10-14 20:51:40,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:40" (1/1) ... [2020-10-14 20:51:40,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:40" (1/1) ... [2020-10-14 20:51:40,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:40" (1/1) ... [2020-10-14 20:51:40,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:40" (1/1) ... [2020-10-14 20:51:40,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:40" (1/1) ... [2020-10-14 20:51:40,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:51:40,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:51:40,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:51:40,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:51:40,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:51:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:51:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:51:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:51:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:51:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:51:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:51:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:51:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:51:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:51:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:51:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:51:41,831 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:51:41,831 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:51:41,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:51:41 BoogieIcfgContainer [2020-10-14 20:51:41,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:51:41,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:51:41,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:51:41,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:51:41,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:51:39" (1/3) ... [2020-10-14 20:51:41,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90dbe32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:51:41, skipping insertion in model container [2020-10-14 20:51:41,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:40" (2/3) ... [2020-10-14 20:51:41,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90dbe32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:51:41, skipping insertion in model container [2020-10-14 20:51:41,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:51:41" (3/3) ... [2020-10-14 20:51:41,853 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label09.c [2020-10-14 20:51:41,864 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:51:41,875 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:51:41,888 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:51:41,920 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:51:41,921 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:51:41,921 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:51:41,921 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:51:41,921 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:51:41,921 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:51:41,922 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:51:41,922 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:51:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:51:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-14 20:51:41,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:51:41,965 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] [2020-10-14 20:51:41,965 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:51:41,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:51:41,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1499972089, now seen corresponding path program 1 times [2020-10-14 20:51:41,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:51:41,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994885402] [2020-10-14 20:51:41,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:51:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:42,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:42,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:42,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 20:51:42,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:42,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-14 20:51:42,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:42,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:51:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:51:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 20:51:42,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:51:42,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:51:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:42,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:42,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:42,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:51:42,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:42,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 20:51:42,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:42,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:51:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:51:42,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994885402] [2020-10-14 20:51:42,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:51:42,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:51:42,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097766371] [2020-10-14 20:51:42,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:51:42,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:51:42,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:51:42,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:51:42,744 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:51:44,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:51:44,258 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-14 20:51:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:51:44,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2020-10-14 20:51:44,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:51:44,276 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:51:44,277 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:51:44,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:51:44,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:51:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-14 20:51:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-14 20:51:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-14 20:51:44,372 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 62 [2020-10-14 20:51:44,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:51:44,373 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-14 20:51:44,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:51:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-14 20:51:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 20:51:44,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:51:44,383 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:51:44,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:51:44,383 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:51:44,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:51:44,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1050930634, now seen corresponding path program 1 times [2020-10-14 20:51:44,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:51:44,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1476716165] [2020-10-14 20:51:44,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:51:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:44,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:44,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:45,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:45,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 20:51:45,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:51:45,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 670 [2020-10-14 20:51:45,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:45,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:45,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:51:45,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:51:45,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 20:51:45,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:51:45,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:51:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:45,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:45,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:45,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:51:45,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:45,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:51:45,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:45,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:51:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:45,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:51:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:45,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:45,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:45,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:51:45,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:51:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-14 20:51:45,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:45,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:45,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:51:45,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 20:51:45,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1476716165] [2020-10-14 20:51:45,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:51:45,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:51:45,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034608471] [2020-10-14 20:51:45,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:51:45,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:51:45,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:51:45,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:51:45,528 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 6 states. [2020-10-14 20:51:47,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:51:47,273 INFO L93 Difference]: Finished difference Result 1174 states and 1599 transitions. [2020-10-14 20:51:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:51:47,274 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2020-10-14 20:51:47,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:51:47,285 INFO L225 Difference]: With dead ends: 1174 [2020-10-14 20:51:47,285 INFO L226 Difference]: Without dead ends: 882 [2020-10-14 20:51:47,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:51:47,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-14 20:51:47,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 735. [2020-10-14 20:51:47,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-10-14 20:51:47,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 989 transitions. [2020-10-14 20:51:47,363 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 989 transitions. Word has length 132 [2020-10-14 20:51:47,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:51:47,364 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 989 transitions. [2020-10-14 20:51:47,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:51:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 989 transitions. [2020-10-14 20:51:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 20:51:47,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:51:47,372 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:51:47,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:51:47,372 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:51:47,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:51:47,373 INFO L82 PathProgramCache]: Analyzing trace with hash 518112197, now seen corresponding path program 1 times [2020-10-14 20:51:47,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:51:47,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485078467] [2020-10-14 20:51:47,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:51:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:47,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:47,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:47,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:47,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-14 20:51:47,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:51:47,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-14 20:51:47,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:47,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:51:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:51:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 20:51:47,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:47,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:51:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:47,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:47,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:47,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:51:47,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:47,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:51:47,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:47,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:47,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:51:47,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:47,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:51:47,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:47,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:51:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:47,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:47,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:47,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:51:47,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:47,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 20:51:47,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:47,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:51:47,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:51:48,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485078467] [2020-10-14 20:51:48,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:51:48,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:51:48,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986702019] [2020-10-14 20:51:48,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:51:48,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:51:48,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:51:48,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:51:48,008 INFO L87 Difference]: Start difference. First operand 735 states and 989 transitions. Second operand 6 states. [2020-10-14 20:51:49,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:51:49,763 INFO L93 Difference]: Finished difference Result 2048 states and 2896 transitions. [2020-10-14 20:51:49,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:51:49,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-10-14 20:51:49,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:51:49,777 INFO L225 Difference]: With dead ends: 2048 [2020-10-14 20:51:49,777 INFO L226 Difference]: Without dead ends: 1319 [2020-10-14 20:51:49,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:51:49,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2020-10-14 20:51:49,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1315. [2020-10-14 20:51:49,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1315 states. [2020-10-14 20:51:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1781 transitions. [2020-10-14 20:51:49,828 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1781 transitions. Word has length 141 [2020-10-14 20:51:49,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:51:49,829 INFO L479 AbstractCegarLoop]: Abstraction has 1315 states and 1781 transitions. [2020-10-14 20:51:49,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:51:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1781 transitions. [2020-10-14 20:51:49,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-14 20:51:49,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:51:49,840 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 20:51:49,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:51:49,841 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:51:49,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:51:49,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1759965965, now seen corresponding path program 1 times [2020-10-14 20:51:49,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:51:49,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211827810] [2020-10-14 20:51:49,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:51:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:49,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:49,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:50,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:50,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:51,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:51,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 20:51:51,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:51:51,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1659 [2020-10-14 20:51:51,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:51,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:51,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:51:51,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:51:51,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:51:51,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 20:51:51,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:51:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:51,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:51,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:51,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:51:51,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:51,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:51:51,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:51,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:51,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:51:51,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:51,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:51:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:51,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:51:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:51,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:51,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:51,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:51:51,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:51,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 20:51:51,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:51,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:51,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:51,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:51,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:51:51,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:51,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:51:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:51,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:51,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:51,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:51:51,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:51,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 20:51:51,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:51,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:51:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:51:51,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:51:51,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:51:52,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211827810] [2020-10-14 20:51:52,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:51:52,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:51:52,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173862742] [2020-10-14 20:51:52,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:51:52,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:51:52,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:51:52,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:51:52,018 INFO L87 Difference]: Start difference. First operand 1315 states and 1781 transitions. Second operand 8 states. [2020-10-14 20:51:54,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:51:54,134 INFO L93 Difference]: Finished difference Result 2807 states and 3820 transitions. [2020-10-14 20:51:54,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:51:54,135 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 214 [2020-10-14 20:51:54,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:51:54,141 INFO L225 Difference]: With dead ends: 2807 [2020-10-14 20:51:54,142 INFO L226 Difference]: Without dead ends: 1057 [2020-10-14 20:51:54,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-14 20:51:54,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2020-10-14 20:51:54,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1033. [2020-10-14 20:51:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2020-10-14 20:51:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1232 transitions. [2020-10-14 20:51:54,184 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1232 transitions. Word has length 214 [2020-10-14 20:51:54,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:51:54,184 INFO L479 AbstractCegarLoop]: Abstraction has 1033 states and 1232 transitions. [2020-10-14 20:51:54,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:51:54,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1232 transitions. [2020-10-14 20:51:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-14 20:51:54,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:51:54,189 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 20:51:54,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:51:54,190 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:51:54,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:51:54,190 INFO L82 PathProgramCache]: Analyzing trace with hash -634680107, now seen corresponding path program 1 times [2020-10-14 20:51:54,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:51:54,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140554247] [2020-10-14 20:51:54,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:51:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:54,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:54,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:54,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:55,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:55,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-14 20:51:55,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:51:55,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1379 [2020-10-14 20:51:55,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:55,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:55,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:51:55,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:51:55,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 20:51:55,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:55,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:51:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:55,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:55,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:55,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:51:55,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:51:55,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:55,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:51:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:55,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:51:55,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 20:51:55,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:51:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:55,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:55,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:55,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:51:55,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 20:51:55,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:55,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:51:55,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:55,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:51:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:55,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:55,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:55,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 20:51:55,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:55,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 20:51:55,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:55,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:55,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:51:55,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:51:55,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 20:51:55,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:51:56,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140554247] [2020-10-14 20:51:56,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:51:56,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:51:56,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601462615] [2020-10-14 20:51:56,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:51:56,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:51:56,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:51:56,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:51:56,013 INFO L87 Difference]: Start difference. First operand 1033 states and 1232 transitions. Second operand 7 states. [2020-10-14 20:51:57,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:51:57,339 INFO L93 Difference]: Finished difference Result 2086 states and 2495 transitions. [2020-10-14 20:51:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:51:57,340 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-10-14 20:51:57,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:51:57,346 INFO L225 Difference]: With dead ends: 2086 [2020-10-14 20:51:57,346 INFO L226 Difference]: Without dead ends: 1059 [2020-10-14 20:51:57,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:51:57,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-10-14 20:51:57,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1043. [2020-10-14 20:51:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2020-10-14 20:51:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1200 transitions. [2020-10-14 20:51:57,377 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1200 transitions. Word has length 230 [2020-10-14 20:51:57,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:51:57,377 INFO L479 AbstractCegarLoop]: Abstraction has 1043 states and 1200 transitions. [2020-10-14 20:51:57,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:51:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1200 transitions. [2020-10-14 20:51:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-14 20:51:57,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:51:57,382 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:51:57,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:51:57,383 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:51:57,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:51:57,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1331510412, now seen corresponding path program 1 times [2020-10-14 20:51:57,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:51:57,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634606402] [2020-10-14 20:51:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:51:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:57,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:57,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:57,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:59,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:59,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-14 20:51:59,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:51:59,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2439 [2020-10-14 20:51:59,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:59,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:59,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:51:59,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:51:59,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 20:51:59,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:51:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:51:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:59,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:59,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:59,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:51:59,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:59,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:51:59,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:59,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:59,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:59,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:59,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:51:59,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:59,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:51:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:59,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:00,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:00,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:52:00,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:00,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 20:52:00,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:00,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:00,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:00,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:00,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:52:00,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:00,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:52:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:00,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:00,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:00,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 20:52:00,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:00,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 20:52:00,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:00,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 20:52:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:00,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 110 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:52:00,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634606402] [2020-10-14 20:52:00,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:00,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:00,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31494067] [2020-10-14 20:52:00,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:00,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:00,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:00,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:00,403 INFO L87 Difference]: Start difference. First operand 1043 states and 1200 transitions. Second operand 7 states. [2020-10-14 20:52:01,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:01,932 INFO L93 Difference]: Finished difference Result 2255 states and 2587 transitions. [2020-10-14 20:52:01,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:52:01,933 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-10-14 20:52:01,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:01,950 INFO L225 Difference]: With dead ends: 2255 [2020-10-14 20:52:01,951 INFO L226 Difference]: Without dead ends: 1218 [2020-10-14 20:52:01,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:52:01,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-14 20:52:01,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1196. [2020-10-14 20:52:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2020-10-14 20:52:01,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1362 transitions. [2020-10-14 20:52:01,991 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1362 transitions. Word has length 237 [2020-10-14 20:52:01,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:01,992 INFO L479 AbstractCegarLoop]: Abstraction has 1196 states and 1362 transitions. [2020-10-14 20:52:01,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1362 transitions. [2020-10-14 20:52:02,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-14 20:52:02,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:02,003 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:02,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:52:02,003 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:02,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:02,004 INFO L82 PathProgramCache]: Analyzing trace with hash -809039652, now seen corresponding path program 1 times [2020-10-14 20:52:02,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:02,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573339965] [2020-10-14 20:52:02,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:02,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:02,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:02,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:04,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:04,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-14 20:52:04,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:04,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2624 [2020-10-14 20:52:04,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:04,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:04,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:04,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:52:04,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-14 20:52:04,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:04,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:04,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:04,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:04,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:04,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:04,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:52:04,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:04,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:04,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:04,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:04,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:04,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:04,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:04,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:05,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:05,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:05,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:05,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 20:52:05,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:05,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:05,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:05,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:05,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:52:05,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:05,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:52:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:05,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:05,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:05,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 20:52:05,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:05,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-14 20:52:05,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:05,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 20:52:05,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 222 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:05,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573339965] [2020-10-14 20:52:05,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:05,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:05,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351654380] [2020-10-14 20:52:05,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:05,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:05,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:05,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:05,484 INFO L87 Difference]: Start difference. First operand 1196 states and 1362 transitions. Second operand 7 states. [2020-10-14 20:52:07,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:07,105 INFO L93 Difference]: Finished difference Result 3000 states and 3490 transitions. [2020-10-14 20:52:07,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:52:07,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 313 [2020-10-14 20:52:07,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:07,116 INFO L225 Difference]: With dead ends: 3000 [2020-10-14 20:52:07,116 INFO L226 Difference]: Without dead ends: 1808 [2020-10-14 20:52:07,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:52:07,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2020-10-14 20:52:07,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1792. [2020-10-14 20:52:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1792 states. [2020-10-14 20:52:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2031 transitions. [2020-10-14 20:52:07,166 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2031 transitions. Word has length 313 [2020-10-14 20:52:07,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:07,166 INFO L479 AbstractCegarLoop]: Abstraction has 1792 states and 2031 transitions. [2020-10-14 20:52:07,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2031 transitions. [2020-10-14 20:52:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-14 20:52:07,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:07,175 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-10-14 20:52:07,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:52:07,175 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:07,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:07,175 INFO L82 PathProgramCache]: Analyzing trace with hash 27231548, now seen corresponding path program 1 times [2020-10-14 20:52:07,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:07,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11920678] [2020-10-14 20:52:07,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:07,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:07,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:07,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:08,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:11,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:11,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-10-14 20:52:11,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:11,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4282 [2020-10-14 20:52:11,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:11,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:11,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:52:11,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-14 20:52:11,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:11,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:11,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:11,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:11,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:11,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:11,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:52:11,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:11,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:11,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:11,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:11,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:11,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:11,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:11,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:11,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:11,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:11,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:11,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 20:52:11,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:11,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:11,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:52:11,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:52:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:11,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:11,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:11,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:52:11,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:11,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 20:52:11,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:11,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:11,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:11,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:11,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:52:11,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:11,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 20:52:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:12,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:12,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:12,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:52:12,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 20:52:12,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:12,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:12,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:12,516 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 304 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-14 20:52:12,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11920678] [2020-10-14 20:52:12,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:12,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:12,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456657137] [2020-10-14 20:52:12,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:12,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:12,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:12,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:12,519 INFO L87 Difference]: Start difference. First operand 1792 states and 2031 transitions. Second operand 7 states. [2020-10-14 20:52:13,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:13,912 INFO L93 Difference]: Finished difference Result 3453 states and 3927 transitions. [2020-10-14 20:52:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:13,913 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 322 [2020-10-14 20:52:13,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:13,926 INFO L225 Difference]: With dead ends: 3453 [2020-10-14 20:52:13,926 INFO L226 Difference]: Without dead ends: 1810 [2020-10-14 20:52:13,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:52:13,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2020-10-14 20:52:13,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1796. [2020-10-14 20:52:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1796 states. [2020-10-14 20:52:13,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2015 transitions. [2020-10-14 20:52:13,996 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2015 transitions. Word has length 322 [2020-10-14 20:52:13,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:13,997 INFO L479 AbstractCegarLoop]: Abstraction has 1796 states and 2015 transitions. [2020-10-14 20:52:13,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2015 transitions. [2020-10-14 20:52:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-14 20:52:14,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:14,012 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:14,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:52:14,012 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:14,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:14,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1080110891, now seen corresponding path program 1 times [2020-10-14 20:52:14,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:14,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583654654] [2020-10-14 20:52:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:14,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:14,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:14,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:16,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-14 20:52:16,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:16,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1993 [2020-10-14 20:52:16,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:16,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 287 [2020-10-14 20:52:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 20:52:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:16,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:16,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:16,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:16,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:16,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:16,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:16,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:16,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:16,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:16,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:16,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:16,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:16,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:16,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 20:52:16,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:16,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:52:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:16,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:16,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 20:52:16,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:16,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 20:52:16,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:16,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:16,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:16,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:16,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:16,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:16,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:52:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:16,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:16,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:52:16,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:16,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 20:52:16,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:16,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 20:52:16,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-10-14 20:52:16,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583654654] [2020-10-14 20:52:16,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:16,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:52:16,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693186170] [2020-10-14 20:52:16,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:52:16,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:16,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:52:16,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:16,439 INFO L87 Difference]: Start difference. First operand 1796 states and 2015 transitions. Second operand 5 states. [2020-10-14 20:52:17,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:17,385 INFO L93 Difference]: Finished difference Result 1945 states and 2164 transitions. [2020-10-14 20:52:17,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:17,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 335 [2020-10-14 20:52:17,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:17,394 INFO L225 Difference]: With dead ends: 1945 [2020-10-14 20:52:17,395 INFO L226 Difference]: Without dead ends: 1796 [2020-10-14 20:52:17,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:52:17,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2020-10-14 20:52:17,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1792. [2020-10-14 20:52:17,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1792 states. [2020-10-14 20:52:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2003 transitions. [2020-10-14 20:52:17,442 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2003 transitions. Word has length 335 [2020-10-14 20:52:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:17,443 INFO L479 AbstractCegarLoop]: Abstraction has 1792 states and 2003 transitions. [2020-10-14 20:52:17,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:52:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2003 transitions. [2020-10-14 20:52:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-10-14 20:52:17,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:17,453 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:17,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:52:17,454 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:17,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:17,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1290869295, now seen corresponding path program 1 times [2020-10-14 20:52:17,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:17,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672057053] [2020-10-14 20:52:17,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:17,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:17,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:17,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:17,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 385 [2020-10-14 20:52:17,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:17,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-14 20:52:17,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:17,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:17,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-14 20:52:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 20:52:17,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:18,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:18,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:18,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:18,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:18,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:18,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:52:18,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:18,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:18,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:18,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:18,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:18,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:18,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:52:18,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:18,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 20:52:18,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:18,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:18,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:18,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:18,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:18,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:52:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:18,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:18,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:18,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:52:18,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:18,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 20:52:18,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:18,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:18,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:18,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 20:52:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:18,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:18,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:18,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 20:52:18,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:18,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 20:52:18,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:18,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:18,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:18,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:18,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:52:18,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-10-14 20:52:18,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672057053] [2020-10-14 20:52:18,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:18,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:52:18,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780211366] [2020-10-14 20:52:18,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:52:18,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:18,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:52:18,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:52:18,358 INFO L87 Difference]: Start difference. First operand 1792 states and 2003 transitions. Second operand 5 states. [2020-10-14 20:52:19,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:19,331 INFO L93 Difference]: Finished difference Result 1796 states and 2007 transitions. [2020-10-14 20:52:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:52:19,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 371 [2020-10-14 20:52:19,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:19,333 INFO L225 Difference]: With dead ends: 1796 [2020-10-14 20:52:19,333 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:52:19,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:52:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:52:19,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:52:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:52:19,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:52:19,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 371 [2020-10-14 20:52:19,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:19,338 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:52:19,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:52:19,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:52:19,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:52:19,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:52:19,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:52:19,982 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 39 [2020-10-14 20:52:20,146 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 32 [2020-10-14 20:52:20,298 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 32 [2020-10-14 20:52:20,302 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:52:20,302 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 20:52:20,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:52:20,303 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:52:20,303 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,303 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,303 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,303 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,303 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,303 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,303 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:52:20,304 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:52:20,304 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:52:20,304 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:52:20,304 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:52:20,304 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:52:20,304 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:52:20,304 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:52:20,304 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:52:20,305 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:52:20,305 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:52:20,306 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,306 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,306 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,306 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,306 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,306 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:52:20,306 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:52:20,306 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:52:20,306 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:52:20,307 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:52:20,307 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:52:20,307 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:52:20,307 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:52:20,307 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:52:20,307 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:52:20,307 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:52:20,307 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:52:20,307 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:52:20,308 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2020-10-14 20:52:20,308 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:52:20,308 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,308 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,308 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,308 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,308 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,308 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:52:20,309 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:52:20,309 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:52:20,310 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:52:20,310 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:52:20,310 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:52:20,310 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:52:20,310 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:52:20,310 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:52:20,311 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:52:20,311 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,311 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,311 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,311 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,313 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,313 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:52:20,313 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:52:20,313 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:52:20,313 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:52:20,313 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:52:20,313 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:52:20,313 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:52:20,314 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:52:20,314 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:52:20,314 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:52:20,314 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:52:20,314 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:52:20,314 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:52:20,314 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,314 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,314 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:52:20,315 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:52:20,316 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,316 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,316 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,316 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,316 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,316 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,316 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,316 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:52:20,316 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:52:20,316 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:52:20,317 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:52:20,317 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:52:20,317 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:52:20,317 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:52:20,317 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:52:20,317 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:52:20,317 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:52:20,317 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:52:20,318 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:52:20,320 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:52:20,320 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,320 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,320 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,320 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,320 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:52:20,320 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:52:20,321 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:52:20,322 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:52:20,322 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:52:20,322 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:52:20,322 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,322 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,322 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,322 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,322 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,322 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,322 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:52:20,323 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:52:20,323 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:52:20,323 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:52:20,323 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:52:20,323 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:52:20,323 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:52:20,323 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:52:20,323 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:52:20,323 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:52:20,323 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:52:20,324 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (= ~a1~0 |old(~a1~0)|)) (.cse3 (= ~a10~0 |old(~a10~0)|))) (let ((.cse0 (not (<= |old(~a19~0)| 8))) (.cse1 (and .cse2 (= ~a19~0 |old(~a19~0)|) .cse3))) (and (or (not (<= 505225 |old(~a1~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= 2 |old(~a10~0)|)) (or .cse0 (not (<= 8 |old(~a19~0)|)) (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse2 .cse3)) (or .cse1 (not (= 7 |old(~a19~0)|))) (or .cse1 (not (<= |old(~a10~0)| 1))) (or .cse1 (not (= 9 |old(~a19~0)|)))))) [2020-10-14 20:52:20,324 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:52:20,324 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:52:20,324 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:52:20,324 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,324 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,324 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,324 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,324 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,325 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,325 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:52:20,325 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:52:20,325 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:52:20,325 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:52:20,325 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:52:20,325 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:52:20,325 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:52:20,325 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:52:20,325 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:52:20,326 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:52:20,326 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:52:20,326 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:52:20,326 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:52:20,326 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,326 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,326 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,326 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,326 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,326 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:52:20,327 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:52:20,328 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:52:20,328 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,328 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,328 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,328 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,328 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,328 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:52:20,328 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:52:20,328 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:52:20,328 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:52:20,329 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:52:20,329 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:52:20,329 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:52:20,329 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:52:20,329 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:52:20,329 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:52:20,329 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:52:20,329 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:52:20,329 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:52:20,329 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:52:20,330 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-14 20:52:20,330 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:52:20,330 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:52:20,330 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-14 20:52:20,330 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:52:20,331 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (and (not (= ~a10~0 2)) .cse0) (= 7 ~a19~0) (and (<= 8 ~a19~0) .cse0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (<= ~a10~0 1) (not (= 23 |old(~a1~0)|)) (and (<= 505225 ~a1~0) .cse0))) [2020-10-14 20:52:20,332 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:52:20,332 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:52:20,332 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (and (not (= ~a10~0 2)) .cse0) (= 7 ~a19~0) (and (<= 8 ~a19~0) .cse0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (<= ~a10~0 1) (not (= 23 |old(~a1~0)|)) (and (<= 505225 ~a1~0) .cse0))) [2020-10-14 20:52:20,332 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:52:20,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:52:20 BoogieIcfgContainer [2020-10-14 20:52:20,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:52:20,371 INFO L168 Benchmark]: Toolchain (without parser) took 40874.41 ms. Allocated memory was 147.8 MB in the beginning and 875.0 MB in the end (delta: 727.2 MB). Free memory was 101.5 MB in the beginning and 582.0 MB in the end (delta: -480.6 MB). Peak memory consumption was 246.6 MB. Max. memory is 7.1 GB. [2020-10-14 20:52:20,372 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 20:52:20,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.03 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 101.0 MB in the beginning and 172.3 MB in the end (delta: -71.2 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2020-10-14 20:52:20,376 INFO L168 Benchmark]: Boogie Preprocessor took 142.77 ms. Allocated memory is still 206.6 MB. Free memory was 172.3 MB in the beginning and 167.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-14 20:52:20,380 INFO L168 Benchmark]: RCFGBuilder took 1471.70 ms. Allocated memory was 206.6 MB in the beginning and 234.9 MB in the end (delta: 28.3 MB). Free memory was 167.4 MB in the beginning and 174.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2020-10-14 20:52:20,382 INFO L168 Benchmark]: TraceAbstraction took 38523.92 ms. Allocated memory was 234.9 MB in the beginning and 875.0 MB in the end (delta: 640.2 MB). Free memory was 174.5 MB in the beginning and 582.0 MB in the end (delta: -407.5 MB). Peak memory consumption was 232.6 MB. Max. memory is 7.1 GB. [2020-10-14 20:52:20,393 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.7 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.03 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 101.0 MB in the beginning and 172.3 MB in the end (delta: -71.2 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.77 ms. Allocated memory is still 206.6 MB. Free memory was 172.3 MB in the beginning and 167.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1471.70 ms. Allocated memory was 206.6 MB in the beginning and 234.9 MB in the end (delta: 28.3 MB). Free memory was 167.4 MB in the beginning and 174.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38523.92 ms. Allocated memory was 234.9 MB in the beginning and 875.0 MB in the end (delta: 640.2 MB). Free memory was 174.5 MB in the beginning and 582.0 MB in the end (delta: -407.5 MB). Peak memory consumption was 232.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((!(a10 == 2) && a19 <= 8) || 7 == a19) || (8 <= a19 && a19 <= 8)) || !(9 == \old(a19))) || a19 == 9) || !(0 == \old(a10))) || a10 <= 1) || !(23 == \old(a1))) || (505225 <= a1 && a19 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.4s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 272 SDtfs, 4288 SDslu, 308 SDs, 0 SdLazy, 8839 SolverSat, 1079 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1796occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 251 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 72 PreInvPairs, 106 NumberOfFragments, 258 HoareAnnotationTreeSize, 72 FomulaSimplifications, 15790 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2165 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 20.0s InterpolantComputationTime, 2357 NumberOfCodeBlocks, 2357 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2347 ConstructedInterpolants, 0 QuantifiedInterpolants, 1495397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1988/2080 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...