/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 SingleStatement --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=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:56:17,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:56:17,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:56:17,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:56:17,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:56:17,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:56:17,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:56:17,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:56:17,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:56:17,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:56:17,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:56:17,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:56:17,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:56:17,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:56:17,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:56:17,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:56:17,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:56:17,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:56:17,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:56:17,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:56:17,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:56:17,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:56:17,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:56:17,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:56:17,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:56:17,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:56:17,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:56:17,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:56:17,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:56:17,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:56:17,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:56:17,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:56:17,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:56:17,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:56:17,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:56:17,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:56:17,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:56:17,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:56:17,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:56:17,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:56:17,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:56:17,231 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 [2020-09-24 22:56:17,270 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:56:17,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:56:17,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:56:17,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:56:17,273 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:56:17,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:56:17,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:56:17,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:56:17,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:56:17,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:56:17,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:56:17,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:56:17,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:56:17,276 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:56:17,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:56:17,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:56:17,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:56:17,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:56:17,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:56:17,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:56:17,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:56:17,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:56:17,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:56:17,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:56:17,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:56:17,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:56:17,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:56:17,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:56:17,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:56:17,280 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 -> SingleStatement 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=HIGHLEXORDER;log-additional-information=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=HIGHLEXORDER;log-additional-information=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=HIGHLEXORDER;log-additional-information=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=HIGHLEXORDER;log-additional-information=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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:56:17,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:56:17,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:56:17,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:56:17,735 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:56:17,735 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:56:17,736 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-24 22:56:17,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4598cd0fa/e487988924d34d6883ece2c2f25a2966/FLAGc2afc04ab [2020-09-24 22:56:18,313 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:56:18,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2020-09-24 22:56:18,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4598cd0fa/e487988924d34d6883ece2c2f25a2966/FLAGc2afc04ab [2020-09-24 22:56:18,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4598cd0fa/e487988924d34d6883ece2c2f25a2966 [2020-09-24 22:56:18,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:56:18,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:56:18,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:56:18,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:56:18,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:56:18,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:56:18" (1/1) ... [2020-09-24 22:56:18,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5ecb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:18, skipping insertion in model container [2020-09-24 22:56:18,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:56:18" (1/1) ... [2020-09-24 22:56:18,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:56:18,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:56:18,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:56:18,985 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:56:19,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:56:19,059 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:56:19,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19 WrapperNode [2020-09-24 22:56:19,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:56:19,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:56:19,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:56:19,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:56:19,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19" (1/1) ... [2020-09-24 22:56:19,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19" (1/1) ... [2020-09-24 22:56:19,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19" (1/1) ... [2020-09-24 22:56:19,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19" (1/1) ... [2020-09-24 22:56:19,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19" (1/1) ... [2020-09-24 22:56:19,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19" (1/1) ... [2020-09-24 22:56:19,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19" (1/1) ... [2020-09-24 22:56:19,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:56:19,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:56:19,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:56:19,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:56:19,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19" (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 [2020-09-24 22:56:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:56:19,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:56:19,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 22:56:19,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:56:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:56:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 22:56:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 22:56:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 22:56:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:56:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:56:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:56:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:56:19,925 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:56:19,925 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 22:56:19,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:56:19 BoogieIcfgContainer [2020-09-24 22:56:19,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:56:19,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:56:19,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:56:19,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:56:19,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:56:18" (1/3) ... [2020-09-24 22:56:19,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c4b6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:56:19, skipping insertion in model container [2020-09-24 22:56:19,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:56:19" (2/3) ... [2020-09-24 22:56:19,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c4b6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:56:19, skipping insertion in model container [2020-09-24 22:56:19,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:56:19" (3/3) ... [2020-09-24 22:56:19,944 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2020-09-24 22:56:19,956 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:56:19,967 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-09-24 22:56:19,990 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-09-24 22:56:20,031 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:56:20,032 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:56:20,032 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:56:20,032 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:56:20,032 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:56:20,033 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:56:20,033 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:56:20,033 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:56:20,082 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2020-09-24 22:56:20,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 22:56:20,090 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:20,091 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] [2020-09-24 22:56:20,092 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:20,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:20,099 INFO L82 PathProgramCache]: Analyzing trace with hash 150776909, now seen corresponding path program 1 times [2020-09-24 22:56:20,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:20,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933165521] [2020-09-24 22:56:20,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:20,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:20,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:20,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 22:56:20,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:20,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-09-24 22:56:20,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:56:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 22:56:20,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 22:56:20,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:56:20,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:20,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:20,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:20,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:20,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:20,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:56:20,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:20,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:20,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:20,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933165521] [2020-09-24 22:56:20,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:20,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:56:20,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179792541] [2020-09-24 22:56:20,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:56:20,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:20,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:56:20,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:20,846 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 8 states. [2020-09-24 22:56:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:21,737 INFO L93 Difference]: Finished difference Result 339 states and 382 transitions. [2020-09-24 22:56:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:56:21,739 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 22:56:21,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:21,756 INFO L225 Difference]: With dead ends: 339 [2020-09-24 22:56:21,756 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 22:56:21,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 22:56:21,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 22:56:21,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 193. [2020-09-24 22:56:21,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 22:56:21,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 197 transitions. [2020-09-24 22:56:21,834 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 197 transitions. Word has length 33 [2020-09-24 22:56:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:21,835 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 197 transitions. [2020-09-24 22:56:21,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:56:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 197 transitions. [2020-09-24 22:56:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 22:56:21,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:21,836 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] [2020-09-24 22:56:21,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:56:21,837 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:21,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:21,838 INFO L82 PathProgramCache]: Analyzing trace with hash 661447885, now seen corresponding path program 1 times [2020-09-24 22:56:21,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:21,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761916473] [2020-09-24 22:56:21,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:21,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:22,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:22,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 22:56:22,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-09-24 22:56:22,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:56:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 22:56:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 22:56:22,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:22,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:22,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:22,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:22,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:22,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:22,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:56:22,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:22,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:22,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:22,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:22,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761916473] [2020-09-24 22:56:22,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:22,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:56:22,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327220032] [2020-09-24 22:56:22,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:56:22,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:22,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:56:22,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:22,129 INFO L87 Difference]: Start difference. First operand 193 states and 197 transitions. Second operand 8 states. [2020-09-24 22:56:22,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:22,961 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-24 22:56:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:56:22,962 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-24 22:56:22,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:22,966 INFO L225 Difference]: With dead ends: 287 [2020-09-24 22:56:22,966 INFO L226 Difference]: Without dead ends: 285 [2020-09-24 22:56:22,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 22:56:22,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-24 22:56:22,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 191. [2020-09-24 22:56:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-24 22:56:22,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 195 transitions. [2020-09-24 22:56:22,982 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 195 transitions. Word has length 33 [2020-09-24 22:56:22,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:22,982 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 195 transitions. [2020-09-24 22:56:22,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:56:22,982 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 195 transitions. [2020-09-24 22:56:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 22:56:22,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:22,984 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] [2020-09-24 22:56:22,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:56:22,985 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:22,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:22,985 INFO L82 PathProgramCache]: Analyzing trace with hash -538052139, now seen corresponding path program 1 times [2020-09-24 22:56:22,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:22,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698614512] [2020-09-24 22:56:22,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:23,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:23,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:23,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:23,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:23,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:24,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:24,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:56:24,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:56:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1700 [2020-09-24 22:56:24,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:24,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 22:56:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 22:56:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:56:24,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:24,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:24,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:24,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:24,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:24,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:24,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:24,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:24,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:24,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:24,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:24,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698614512] [2020-09-24 22:56:24,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:24,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:24,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057039391] [2020-09-24 22:56:24,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:24,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:24,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:24,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:24,815 INFO L87 Difference]: Start difference. First operand 191 states and 195 transitions. Second operand 9 states. [2020-09-24 22:56:25,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:25,251 INFO L93 Difference]: Finished difference Result 197 states and 201 transitions. [2020-09-24 22:56:25,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 22:56:25,252 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-09-24 22:56:25,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:25,254 INFO L225 Difference]: With dead ends: 197 [2020-09-24 22:56:25,254 INFO L226 Difference]: Without dead ends: 195 [2020-09-24 22:56:25,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-24 22:56:25,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-09-24 22:56:25,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 189. [2020-09-24 22:56:25,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-09-24 22:56:25,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 193 transitions. [2020-09-24 22:56:25,266 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 193 transitions. Word has length 43 [2020-09-24 22:56:25,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:25,266 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 193 transitions. [2020-09-24 22:56:25,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2020-09-24 22:56:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-24 22:56:25,269 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:25,269 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] [2020-09-24 22:56:25,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:56:25,270 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:25,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:25,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1061846924, now seen corresponding path program 1 times [2020-09-24 22:56:25,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:25,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667268136] [2020-09-24 22:56:25,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:25,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:25,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:25,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:25,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:25,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:26,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:26,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:56:26,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:56:26,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1350 [2020-09-24 22:56:26,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 22:56:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 22:56:26,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:26,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:26,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:26,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:26,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:26,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:26,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:56:26,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:26,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:26,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:26,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:26,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:56:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:26,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667268136] [2020-09-24 22:56:26,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:26,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:26,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225043596] [2020-09-24 22:56:26,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:26,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:26,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:26,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:26,742 INFO L87 Difference]: Start difference. First operand 189 states and 193 transitions. Second operand 9 states. [2020-09-24 22:56:27,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:27,130 INFO L93 Difference]: Finished difference Result 195 states and 199 transitions. [2020-09-24 22:56:27,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 22:56:27,131 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-09-24 22:56:27,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:27,133 INFO L225 Difference]: With dead ends: 195 [2020-09-24 22:56:27,133 INFO L226 Difference]: Without dead ends: 193 [2020-09-24 22:56:27,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-24 22:56:27,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-24 22:56:27,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2020-09-24 22:56:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-09-24 22:56:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 191 transitions. [2020-09-24 22:56:27,142 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 191 transitions. Word has length 43 [2020-09-24 22:56:27,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:27,143 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 191 transitions. [2020-09-24 22:56:27,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 191 transitions. [2020-09-24 22:56:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 22:56:27,145 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:27,145 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] [2020-09-24 22:56:27,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:56:27,146 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:27,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:27,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1029151645, now seen corresponding path program 1 times [2020-09-24 22:56:27,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:27,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166168623] [2020-09-24 22:56:27,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:27,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:27,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:27,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:27,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:27,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 22:56:27,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:56:27,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 827 [2020-09-24 22:56:27,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:56:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 22:56:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 22:56:27,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:28,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:28,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:28,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:28,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:28,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:28,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:28,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:28,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:28,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:28,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:28,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:28,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:28,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166168623] [2020-09-24 22:56:28,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:28,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:56:28,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752820578] [2020-09-24 22:56:28,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:56:28,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:28,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:56:28,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:56:28,039 INFO L87 Difference]: Start difference. First operand 187 states and 191 transitions. Second operand 6 states. [2020-09-24 22:56:28,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:28,341 INFO L93 Difference]: Finished difference Result 187 states and 191 transitions. [2020-09-24 22:56:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 22:56:28,342 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-24 22:56:28,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:28,344 INFO L225 Difference]: With dead ends: 187 [2020-09-24 22:56:28,344 INFO L226 Difference]: Without dead ends: 175 [2020-09-24 22:56:28,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:28,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-24 22:56:28,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-09-24 22:56:28,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-24 22:56:28,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-24 22:56:28,352 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 48 [2020-09-24 22:56:28,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:28,353 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-24 22:56:28,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:56:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-24 22:56:28,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 22:56:28,355 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:28,355 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] [2020-09-24 22:56:28,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 22:56:28,355 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:28,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:28,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1480933896, now seen corresponding path program 1 times [2020-09-24 22:56:28,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:28,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39626422] [2020-09-24 22:56:28,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:28,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:28,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:28,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:28,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 22:56:28,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-24 22:56:28,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 22:56:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 22:56:28,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:28,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:28,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:28,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:28,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:28,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:28,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:28,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:28,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:28,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:28,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:28,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:28,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39626422] [2020-09-24 22:56:28,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:28,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:56:28,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896743047] [2020-09-24 22:56:28,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:56:28,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:28,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:56:28,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:28,775 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 8 states. [2020-09-24 22:56:29,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:29,980 INFO L93 Difference]: Finished difference Result 374 states and 383 transitions. [2020-09-24 22:56:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 22:56:29,981 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-24 22:56:29,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:29,989 INFO L225 Difference]: With dead ends: 374 [2020-09-24 22:56:29,990 INFO L226 Difference]: Without dead ends: 372 [2020-09-24 22:56:29,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:56:29,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-09-24 22:56:30,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 173. [2020-09-24 22:56:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-24 22:56:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-24 22:56:30,034 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 48 [2020-09-24 22:56:30,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:30,034 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-24 22:56:30,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:56:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-24 22:56:30,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 22:56:30,036 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:30,036 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] [2020-09-24 22:56:30,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 22:56:30,037 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:30,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:30,037 INFO L82 PathProgramCache]: Analyzing trace with hash 28591951, now seen corresponding path program 1 times [2020-09-24 22:56:30,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:30,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939555319] [2020-09-24 22:56:30,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:30,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:30,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:30,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:30,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 22:56:30,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:30,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-09-24 22:56:30,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 22:56:30,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 22:56:30,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:30,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:30,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:30,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:30,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:30,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:30,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:56:30,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:30,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:30,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:30,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:30,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:30,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939555319] [2020-09-24 22:56:30,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:30,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:56:30,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866566338] [2020-09-24 22:56:30,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:56:30,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:30,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:56:30,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:30,454 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 8 states. [2020-09-24 22:56:31,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:31,138 INFO L93 Difference]: Finished difference Result 253 states and 259 transitions. [2020-09-24 22:56:31,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 22:56:31,139 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-24 22:56:31,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:31,141 INFO L225 Difference]: With dead ends: 253 [2020-09-24 22:56:31,141 INFO L226 Difference]: Without dead ends: 251 [2020-09-24 22:56:31,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-24 22:56:31,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-09-24 22:56:31,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 171. [2020-09-24 22:56:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-09-24 22:56:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 175 transitions. [2020-09-24 22:56:31,148 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 175 transitions. Word has length 48 [2020-09-24 22:56:31,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:31,149 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 175 transitions. [2020-09-24 22:56:31,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:56:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 175 transitions. [2020-09-24 22:56:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-24 22:56:31,153 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:31,153 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] [2020-09-24 22:56:31,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 22:56:31,153 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:31,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:31,154 INFO L82 PathProgramCache]: Analyzing trace with hash -2081291309, now seen corresponding path program 1 times [2020-09-24 22:56:31,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:31,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924135150] [2020-09-24 22:56:31,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:31,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:31,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:31,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:31,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:31,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 22:56:31,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:56:31,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 808 [2020-09-24 22:56:31,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:31,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:56:31,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 22:56:31,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 22:56:31,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:32,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:32,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:32,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:32,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:32,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:32,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:32,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:32,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:32,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924135150] [2020-09-24 22:56:32,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:32,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:56:32,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470516763] [2020-09-24 22:56:32,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:56:32,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:32,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:56:32,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:56:32,033 INFO L87 Difference]: Start difference. First operand 171 states and 175 transitions. Second operand 6 states. [2020-09-24 22:56:32,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:32,360 INFO L93 Difference]: Finished difference Result 171 states and 175 transitions. [2020-09-24 22:56:32,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 22:56:32,361 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-24 22:56:32,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:32,363 INFO L225 Difference]: With dead ends: 171 [2020-09-24 22:56:32,363 INFO L226 Difference]: Without dead ends: 159 [2020-09-24 22:56:32,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:32,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-24 22:56:32,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-09-24 22:56:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-24 22:56:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-24 22:56:32,371 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-24 22:56:32,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:32,372 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-24 22:56:32,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:56:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-24 22:56:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 22:56:32,375 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:32,376 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] [2020-09-24 22:56:32,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 22:56:32,377 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:32,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:32,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1071744508, now seen corresponding path program 1 times [2020-09-24 22:56:32,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:32,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191999820] [2020-09-24 22:56:32,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:32,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:32,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:32,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:32,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 22:56:32,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-24 22:56:32,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:32,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 22:56:32,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 22:56:32,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:32,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:32,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:32,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:32,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:32,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:32,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:32,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:32,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:32,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:32,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:32,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191999820] [2020-09-24 22:56:32,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:32,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:32,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888983099] [2020-09-24 22:56:32,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:32,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:32,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:32,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:32,805 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 9 states. [2020-09-24 22:56:33,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:33,266 INFO L93 Difference]: Finished difference Result 229 states and 235 transitions. [2020-09-24 22:56:33,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 22:56:33,267 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 22:56:33,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:33,268 INFO L225 Difference]: With dead ends: 229 [2020-09-24 22:56:33,268 INFO L226 Difference]: Without dead ends: 227 [2020-09-24 22:56:33,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-09-24 22:56:33,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-09-24 22:56:33,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 157. [2020-09-24 22:56:33,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-09-24 22:56:33,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions. [2020-09-24 22:56:33,276 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 53 [2020-09-24 22:56:33,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:33,276 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 161 transitions. [2020-09-24 22:56:33,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2020-09-24 22:56:33,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 22:56:33,278 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:33,278 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] [2020-09-24 22:56:33,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 22:56:33,278 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:33,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:33,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1179072694, now seen corresponding path program 1 times [2020-09-24 22:56:33,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:33,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097643139] [2020-09-24 22:56:33,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:33,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:33,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:33,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:33,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 22:56:33,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:33,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-09-24 22:56:33,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:33,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 22:56:33,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 22:56:33,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:33,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:33,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:33,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:33,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:33,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:33,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:33,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:33,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:33,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:33,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:33,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:33,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097643139] [2020-09-24 22:56:33,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:33,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:33,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692872822] [2020-09-24 22:56:33,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:33,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:33,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:33,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:33,715 INFO L87 Difference]: Start difference. First operand 157 states and 161 transitions. Second operand 9 states. [2020-09-24 22:56:34,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:34,114 INFO L93 Difference]: Finished difference Result 210 states and 216 transitions. [2020-09-24 22:56:34,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 22:56:34,115 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 22:56:34,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:34,116 INFO L225 Difference]: With dead ends: 210 [2020-09-24 22:56:34,117 INFO L226 Difference]: Without dead ends: 208 [2020-09-24 22:56:34,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-09-24 22:56:34,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-24 22:56:34,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 155. [2020-09-24 22:56:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-24 22:56:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions. [2020-09-24 22:56:34,126 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 53 [2020-09-24 22:56:34,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:34,127 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 159 transitions. [2020-09-24 22:56:34,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2020-09-24 22:56:34,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 22:56:34,128 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:34,128 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] [2020-09-24 22:56:34,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 22:56:34,129 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:34,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:34,129 INFO L82 PathProgramCache]: Analyzing trace with hash -960286218, now seen corresponding path program 1 times [2020-09-24 22:56:34,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:34,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410012327] [2020-09-24 22:56:34,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:34,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:34,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:34,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:34,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 22:56:34,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:34,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-09-24 22:56:34,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:34,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 22:56:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 22:56:34,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:34,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:34,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:34,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:34,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:34,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:34,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:34,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:34,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410012327] [2020-09-24 22:56:34,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:34,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:34,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436596407] [2020-09-24 22:56:34,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:34,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:34,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:34,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:34,575 INFO L87 Difference]: Start difference. First operand 155 states and 159 transitions. Second operand 9 states. [2020-09-24 22:56:35,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:35,002 INFO L93 Difference]: Finished difference Result 161 states and 165 transitions. [2020-09-24 22:56:35,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 22:56:35,002 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-09-24 22:56:35,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:35,004 INFO L225 Difference]: With dead ends: 161 [2020-09-24 22:56:35,004 INFO L226 Difference]: Without dead ends: 159 [2020-09-24 22:56:35,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-24 22:56:35,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-24 22:56:35,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2020-09-24 22:56:35,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-24 22:56:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 157 transitions. [2020-09-24 22:56:35,011 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 157 transitions. Word has length 53 [2020-09-24 22:56:35,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:35,011 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 157 transitions. [2020-09-24 22:56:35,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:35,012 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions. [2020-09-24 22:56:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 22:56:35,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:35,012 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] [2020-09-24 22:56:35,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 22:56:35,013 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:35,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:35,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1529900809, now seen corresponding path program 1 times [2020-09-24 22:56:35,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:35,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987298457] [2020-09-24 22:56:35,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:35,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:35,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:35,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:35,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 22:56:35,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-09-24 22:56:35,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:56:35,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 22:56:35,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:35,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:35,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:35,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:35,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:35,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:35,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:35,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:35,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:56:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:35,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987298457] [2020-09-24 22:56:35,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:35,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:35,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822492433] [2020-09-24 22:56:35,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:35,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:35,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:35,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:35,808 INFO L87 Difference]: Start difference. First operand 153 states and 157 transitions. Second operand 10 states. [2020-09-24 22:56:36,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:36,818 INFO L93 Difference]: Finished difference Result 317 states and 327 transitions. [2020-09-24 22:56:36,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:56:36,818 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 22:56:36,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:36,821 INFO L225 Difference]: With dead ends: 317 [2020-09-24 22:56:36,821 INFO L226 Difference]: Without dead ends: 315 [2020-09-24 22:56:36,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:56:36,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-09-24 22:56:36,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 151. [2020-09-24 22:56:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-09-24 22:56:36,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2020-09-24 22:56:36,829 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 53 [2020-09-24 22:56:36,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:36,829 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2020-09-24 22:56:36,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:56:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2020-09-24 22:56:36,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 22:56:36,830 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:36,830 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] [2020-09-24 22:56:36,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 22:56:36,831 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:36,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:36,831 INFO L82 PathProgramCache]: Analyzing trace with hash -2001226185, now seen corresponding path program 1 times [2020-09-24 22:56:36,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:36,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987140925] [2020-09-24 22:56:36,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:36,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:36,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:37,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:37,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 22:56:37,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:37,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-09-24 22:56:37,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:56:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 22:56:37,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:37,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:37,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:37,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:37,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:37,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:37,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:37,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:37,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:37,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987140925] [2020-09-24 22:56:37,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:37,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:37,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870253034] [2020-09-24 22:56:37,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:37,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:37,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:37,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:37,612 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand 10 states. [2020-09-24 22:56:38,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:38,455 INFO L93 Difference]: Finished difference Result 228 states and 234 transitions. [2020-09-24 22:56:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 22:56:38,456 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 22:56:38,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:38,458 INFO L225 Difference]: With dead ends: 228 [2020-09-24 22:56:38,458 INFO L226 Difference]: Without dead ends: 226 [2020-09-24 22:56:38,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-09-24 22:56:38,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-09-24 22:56:38,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 149. [2020-09-24 22:56:38,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-09-24 22:56:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2020-09-24 22:56:38,465 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 53 [2020-09-24 22:56:38,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:38,466 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2020-09-24 22:56:38,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:56:38,466 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2020-09-24 22:56:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 22:56:38,466 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:38,467 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] [2020-09-24 22:56:38,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 22:56:38,467 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:38,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:38,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1125742038, now seen corresponding path program 1 times [2020-09-24 22:56:38,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:38,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266296677] [2020-09-24 22:56:38,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:38,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:39,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:39,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 22:56:39,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:39,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 869 [2020-09-24 22:56:39,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:56:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 22:56:39,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:39,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:39,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:39,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:39,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:39,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:39,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:39,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:39,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:39,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:39,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:39,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:39,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266296677] [2020-09-24 22:56:39,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:39,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:39,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556684918] [2020-09-24 22:56:39,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:39,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:39,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:39,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:39,493 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand 10 states. [2020-09-24 22:56:40,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:40,275 INFO L93 Difference]: Finished difference Result 274 states and 283 transitions. [2020-09-24 22:56:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:56:40,276 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 22:56:40,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:40,277 INFO L225 Difference]: With dead ends: 274 [2020-09-24 22:56:40,278 INFO L226 Difference]: Without dead ends: 272 [2020-09-24 22:56:40,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:56:40,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-09-24 22:56:40,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 193. [2020-09-24 22:56:40,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 22:56:40,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 202 transitions. [2020-09-24 22:56:40,288 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 202 transitions. Word has length 58 [2020-09-24 22:56:40,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:40,288 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 202 transitions. [2020-09-24 22:56:40,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:56:40,289 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 202 transitions. [2020-09-24 22:56:40,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 22:56:40,292 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:40,293 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] [2020-09-24 22:56:40,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 22:56:40,295 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:40,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:40,295 INFO L82 PathProgramCache]: Analyzing trace with hash 894302084, now seen corresponding path program 1 times [2020-09-24 22:56:40,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:40,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281385178] [2020-09-24 22:56:40,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:40,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:41,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:41,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 22:56:41,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:41,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 892 [2020-09-24 22:56:41,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:56:41,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 22:56:41,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:41,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:41,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:41,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:41,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:41,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:41,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:56:41,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:41,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:41,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:41,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281385178] [2020-09-24 22:56:41,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:41,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:41,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927450619] [2020-09-24 22:56:41,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:41,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:41,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:41,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:41,351 INFO L87 Difference]: Start difference. First operand 193 states and 202 transitions. Second operand 10 states. [2020-09-24 22:56:42,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:42,200 INFO L93 Difference]: Finished difference Result 269 states and 277 transitions. [2020-09-24 22:56:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:56:42,201 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 22:56:42,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:42,204 INFO L225 Difference]: With dead ends: 269 [2020-09-24 22:56:42,204 INFO L226 Difference]: Without dead ends: 267 [2020-09-24 22:56:42,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:56:42,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-09-24 22:56:42,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 193. [2020-09-24 22:56:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 22:56:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 201 transitions. [2020-09-24 22:56:42,214 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 201 transitions. Word has length 58 [2020-09-24 22:56:42,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:42,215 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 201 transitions. [2020-09-24 22:56:42,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:56:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 201 transitions. [2020-09-24 22:56:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 22:56:42,217 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:42,217 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] [2020-09-24 22:56:42,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 22:56:42,218 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:42,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:42,218 INFO L82 PathProgramCache]: Analyzing trace with hash 579772635, now seen corresponding path program 1 times [2020-09-24 22:56:42,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:42,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578904356] [2020-09-24 22:56:42,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:42,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:42,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:43,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:43,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 22:56:43,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:56:43,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 842 [2020-09-24 22:56:43,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:43,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:43,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:56:43,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 22:56:43,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:43,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:43,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:43,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:43,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:43,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:43,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:43,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:43,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:43,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:43,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578904356] [2020-09-24 22:56:43,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:43,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:43,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831203520] [2020-09-24 22:56:43,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:43,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:43,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:43,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:43,221 INFO L87 Difference]: Start difference. First operand 193 states and 201 transitions. Second operand 10 states. [2020-09-24 22:56:43,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:43,847 INFO L93 Difference]: Finished difference Result 205 states and 212 transitions. [2020-09-24 22:56:43,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:56:43,848 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-24 22:56:43,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:43,849 INFO L225 Difference]: With dead ends: 205 [2020-09-24 22:56:43,849 INFO L226 Difference]: Without dead ends: 193 [2020-09-24 22:56:43,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2020-09-24 22:56:43,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-24 22:56:43,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-09-24 22:56:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-09-24 22:56:43,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 200 transitions. [2020-09-24 22:56:43,857 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 200 transitions. Word has length 58 [2020-09-24 22:56:43,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:43,858 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 200 transitions. [2020-09-24 22:56:43,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:56:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 200 transitions. [2020-09-24 22:56:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-24 22:56:43,859 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:43,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:56:43,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 22:56:43,860 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:43,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:43,860 INFO L82 PathProgramCache]: Analyzing trace with hash -71318262, now seen corresponding path program 1 times [2020-09-24 22:56:43,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:43,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798774209] [2020-09-24 22:56:43,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:43,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:43,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:43,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:44,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:46,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:46,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:46,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:46,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:46,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:46,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:48,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:48,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-24 22:56:48,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-24 22:56:48,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 22:56:48,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 22:56:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 22:56:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 22:56:48,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:48,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:48,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:48,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:48,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:48,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:48,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:48,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:48,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:48,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:48,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798774209] [2020-09-24 22:56:48,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:48,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:56:48,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218510572] [2020-09-24 22:56:48,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:56:48,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:48,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:56:48,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:56:48,951 INFO L87 Difference]: Start difference. First operand 193 states and 200 transitions. Second operand 9 states. [2020-09-24 22:56:49,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:49,331 INFO L93 Difference]: Finished difference Result 196 states and 203 transitions. [2020-09-24 22:56:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 22:56:49,331 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-09-24 22:56:49,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:49,333 INFO L225 Difference]: With dead ends: 196 [2020-09-24 22:56:49,333 INFO L226 Difference]: Without dead ends: 194 [2020-09-24 22:56:49,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-24 22:56:49,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-09-24 22:56:49,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 191. [2020-09-24 22:56:49,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-09-24 22:56:49,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 198 transitions. [2020-09-24 22:56:49,341 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 198 transitions. Word has length 66 [2020-09-24 22:56:49,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:49,341 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 198 transitions. [2020-09-24 22:56:49,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:56:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 198 transitions. [2020-09-24 22:56:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-24 22:56:49,343 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:49,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:56:49,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 22:56:49,343 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:49,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:49,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1574098677, now seen corresponding path program 1 times [2020-09-24 22:56:49,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:49,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545349747] [2020-09-24 22:56:49,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:49,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:49,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:49,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:49,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:51,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:51,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 22:56:51,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:56:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2388 [2020-09-24 22:56:51,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:56:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-24 22:56:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 22:56:51,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:51,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:51,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:51,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:51,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:51,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:51,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:51,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:51,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:51,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:51,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545349747] [2020-09-24 22:56:51,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:51,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:56:51,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182927267] [2020-09-24 22:56:51,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:56:51,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:51,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:56:51,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:56:51,799 INFO L87 Difference]: Start difference. First operand 191 states and 198 transitions. Second operand 6 states. [2020-09-24 22:56:52,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:52,115 INFO L93 Difference]: Finished difference Result 191 states and 198 transitions. [2020-09-24 22:56:52,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 22:56:52,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-09-24 22:56:52,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:52,117 INFO L225 Difference]: With dead ends: 191 [2020-09-24 22:56:52,117 INFO L226 Difference]: Without dead ends: 124 [2020-09-24 22:56:52,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:56:52,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-09-24 22:56:52,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-09-24 22:56:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-24 22:56:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 127 transitions. [2020-09-24 22:56:52,126 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 127 transitions. Word has length 71 [2020-09-24 22:56:52,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:52,126 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 127 transitions. [2020-09-24 22:56:52,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:56:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 127 transitions. [2020-09-24 22:56:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 22:56:52,128 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:52,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:56:52,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 22:56:52,129 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:52,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:52,129 INFO L82 PathProgramCache]: Analyzing trace with hash 706583424, now seen corresponding path program 1 times [2020-09-24 22:56:52,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:52,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775008795] [2020-09-24 22:56:52,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:52,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:52,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:52,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:55,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:55,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:56:55,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:56:55,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3443 [2020-09-24 22:56:55,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 22:56:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 22:56:55,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:55,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:55,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:55,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:55,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:55,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:55,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:55,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:55,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:55,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:55,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:55,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:56:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:55,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775008795] [2020-09-24 22:56:55,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:55,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:55,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063969190] [2020-09-24 22:56:55,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:55,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:55,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:55,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:55,727 INFO L87 Difference]: Start difference. First operand 124 states and 127 transitions. Second operand 10 states. [2020-09-24 22:56:56,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:56:56,172 INFO L93 Difference]: Finished difference Result 175 states and 180 transitions. [2020-09-24 22:56:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:56:56,172 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-09-24 22:56:56,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:56:56,173 INFO L225 Difference]: With dead ends: 175 [2020-09-24 22:56:56,174 INFO L226 Difference]: Without dead ends: 173 [2020-09-24 22:56:56,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 22:56:56,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-09-24 22:56:56,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 122. [2020-09-24 22:56:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-09-24 22:56:56,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 125 transitions. [2020-09-24 22:56:56,179 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 125 transitions. Word has length 78 [2020-09-24 22:56:56,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:56:56,180 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 125 transitions. [2020-09-24 22:56:56,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:56:56,180 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 125 transitions. [2020-09-24 22:56:56,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 22:56:56,181 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:56:56,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:56:56,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 22:56:56,181 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:56:56,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:56:56,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1568339750, now seen corresponding path program 1 times [2020-09-24 22:56:56,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:56:56,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745409936] [2020-09-24 22:56:56,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:56:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:56,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:56,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:56,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:59,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:59,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:56:59,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:56:59,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3227 [2020-09-24 22:56:59,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:56:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 22:56:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 22:56:59,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:59,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:56:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:56:59,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:56:59,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:56:59,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:56:59,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:56:59,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:56:59,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:56:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:56:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:56:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:56:59,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:56:59,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:56:59,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745409936] [2020-09-24 22:56:59,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:56:59,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:56:59,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171792841] [2020-09-24 22:56:59,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:56:59,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:56:59,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:56:59,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:56:59,561 INFO L87 Difference]: Start difference. First operand 122 states and 125 transitions. Second operand 10 states. [2020-09-24 22:57:00,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:57:00,069 INFO L93 Difference]: Finished difference Result 170 states and 175 transitions. [2020-09-24 22:57:00,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:57:00,069 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-09-24 22:57:00,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:57:00,071 INFO L225 Difference]: With dead ends: 170 [2020-09-24 22:57:00,072 INFO L226 Difference]: Without dead ends: 168 [2020-09-24 22:57:00,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-24 22:57:00,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-09-24 22:57:00,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 120. [2020-09-24 22:57:00,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-09-24 22:57:00,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 123 transitions. [2020-09-24 22:57:00,079 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 123 transitions. Word has length 78 [2020-09-24 22:57:00,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:57:00,079 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 123 transitions. [2020-09-24 22:57:00,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:57:00,079 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 123 transitions. [2020-09-24 22:57:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 22:57:00,081 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:57:00,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:57:00,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 22:57:00,082 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:57:00,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:57:00,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1882869199, now seen corresponding path program 1 times [2020-09-24 22:57:00,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:57:00,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754178994] [2020-09-24 22:57:00,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:57:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:57:00,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:57:00,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:57:00,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:57:03,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:57:03,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:57:03,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:57:03,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3129 [2020-09-24 22:57:03,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:57:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:57:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 22:57:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 22:57:03,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:57:03,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:57:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:57:03,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:57:03,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:57:03,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:57:03,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:57:03,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:57:03,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:57:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:57:03,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:57:03,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:57:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:57:03,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:57:03,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754178994] [2020-09-24 22:57:03,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:57:03,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:57:03,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90933198] [2020-09-24 22:57:03,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:57:03,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:57:03,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:57:03,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:57:03,362 INFO L87 Difference]: Start difference. First operand 120 states and 123 transitions. Second operand 10 states. [2020-09-24 22:57:03,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:57:03,771 INFO L93 Difference]: Finished difference Result 120 states and 123 transitions. [2020-09-24 22:57:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 22:57:03,772 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-09-24 22:57:03,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:57:03,772 INFO L225 Difference]: With dead ends: 120 [2020-09-24 22:57:03,772 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 22:57:03,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-09-24 22:57:03,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 22:57:03,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 22:57:03,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 22:57:03,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 22:57:03,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-09-24 22:57:03,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:57:03,775 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 22:57:03,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:57:03,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 22:57:03,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 22:57:03,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 22:57:03,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 22:57:03,953 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 19 [2020-09-24 22:57:04,107 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2020-09-24 22:57:04,213 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2020-09-24 22:57:04,544 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 22:57:04,544 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-24 22:57:04,544 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 22:57:04,544 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 22:57:04,545 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_259_0~0 |old(~__tmp_259_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-24 22:57:04,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 22:57:04,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 22:57:04,545 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 22:57:04,545 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 22:57:04,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 22:57:04,545 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-24 22:57:04,546 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-24 22:57:04,546 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-24 22:57:04,546 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-24 22:57:04,546 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-24 22:57:04,546 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2020-09-24 22:57:04,547 INFO L264 CegarLoopResult]: At program point L382(lines 280 389) the Hoare annotation is: (let ((.cse0 (not (= main_~__tmp_14~0 0))) (.cse1 (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0)) (.cse2 (not (= main_~__VERIFIER_assert__cond~13 0))) (.cse3 (= main_~__VERIFIER_assert__cond~12 1)) (.cse4 (= main_~__tmp_13~0 1)) (.cse5 (<= 0 main_~main__t~0))) (or (and .cse0 .cse1 (= main_~__VERIFIER_assert__cond~13 1) .cse2 .cse3 (= main_~__tmp_14~0 1) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 main_~__VERIFIER_assert__cond~19) (<= 1 main_~__tmp_20~0)))) [2020-09-24 22:57:04,548 INFO L264 CegarLoopResult]: At program point L349(lines 30 393) the Hoare annotation is: (let ((.cse0 (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0)) (.cse1 (<= 0 main_~main__t~0))) (or (and (= main_~__tmp_2~0 1) .cse0 (= main_~__VERIFIER_assert__cond~1 1) .cse1) (and .cse0 (<= 1 main_~main__t~0) .cse1))) [2020-09-24 22:57:04,548 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-24 22:57:04,548 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 400) no Hoare annotation was computed. [2020-09-24 22:57:04,548 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-09-24 22:57:04,548 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-24 22:57:04,549 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-24 22:57:04,549 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-24 22:57:04,549 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-24 22:57:04,549 INFO L268 CegarLoopResult]: For program point L102-1(line 102) no Hoare annotation was computed. [2020-09-24 22:57:04,549 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-24 22:57:04,549 INFO L268 CegarLoopResult]: For program point L102-2(line 102) no Hoare annotation was computed. [2020-09-24 22:57:04,550 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-24 22:57:04,550 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-24 22:57:04,550 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-24 22:57:04,552 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-24 22:57:04,552 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 22:57:04,552 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-09-24 22:57:04,552 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 331) no Hoare annotation was computed. [2020-09-24 22:57:04,552 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-24 22:57:04,552 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-24 22:57:04,553 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-24 22:57:04,553 INFO L268 CegarLoopResult]: For program point L103(lines 103 207) no Hoare annotation was computed. [2020-09-24 22:57:04,553 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-24 22:57:04,553 INFO L268 CegarLoopResult]: For program point L37(lines 37 253) no Hoare annotation was computed. [2020-09-24 22:57:04,553 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-24 22:57:04,553 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-24 22:57:04,553 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-09-24 22:57:04,553 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-24 22:57:04,553 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-24 22:57:04,554 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-24 22:57:04,554 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-24 22:57:04,554 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 400) no Hoare annotation was computed. [2020-09-24 22:57:04,554 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 307) no Hoare annotation was computed. [2020-09-24 22:57:04,555 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-24 22:57:04,555 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-24 22:57:04,555 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 22:57:04,555 INFO L268 CegarLoopResult]: For program point L286(lines 286 388) no Hoare annotation was computed. [2020-09-24 22:57:04,555 INFO L268 CegarLoopResult]: For program point L220(lines 220 242) no Hoare annotation was computed. [2020-09-24 22:57:04,555 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-24 22:57:04,555 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-24 22:57:04,555 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-24 22:57:04,555 INFO L268 CegarLoopResult]: For program point L22(lines 22 394) no Hoare annotation was computed. [2020-09-24 22:57:04,556 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-24 22:57:04,556 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-09-24 22:57:04,556 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-24 22:57:04,556 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2020-09-24 22:57:04,556 INFO L268 CegarLoopResult]: For program point L138(lines 138 160) no Hoare annotation was computed. [2020-09-24 22:57:04,556 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 22:57:04,556 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-24 22:57:04,556 INFO L268 CegarLoopResult]: For program point L122(lines 122 199) no Hoare annotation was computed. [2020-09-24 22:57:04,556 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-24 22:57:04,557 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-09-24 22:57:04,557 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-24 22:57:04,557 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-24 22:57:04,557 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-24 22:57:04,558 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 343) no Hoare annotation was computed. [2020-09-24 22:57:04,558 INFO L268 CegarLoopResult]: For program point L172(lines 172 196) no Hoare annotation was computed. [2020-09-24 22:57:04,559 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-24 22:57:04,559 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-24 22:57:04,559 INFO L268 CegarLoopResult]: For program point L321-1(line 321) no Hoare annotation was computed. [2020-09-24 22:57:04,559 INFO L268 CegarLoopResult]: For program point L321-2(line 321) no Hoare annotation was computed. [2020-09-24 22:57:04,559 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-09-24 22:57:04,560 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-24 22:57:04,560 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-24 22:57:04,560 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-24 22:57:04,560 INFO L268 CegarLoopResult]: For program point L305(lines 305 313) no Hoare annotation was computed. [2020-09-24 22:57:04,560 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-24 22:57:04,560 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-24 22:57:04,560 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-24 22:57:04,560 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2020-09-24 22:57:04,560 INFO L268 CegarLoopResult]: For program point L322(lines 322 387) no Hoare annotation was computed. [2020-09-24 22:57:04,561 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-24 22:57:04,561 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-24 22:57:04,561 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-24 22:57:04,561 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-24 22:57:04,561 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-09-24 22:57:04,561 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-09-24 22:57:04,562 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-24 22:57:04,562 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-09-24 22:57:04,562 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-24 22:57:04,562 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 222) no Hoare annotation was computed. [2020-09-24 22:57:04,562 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-24 22:57:04,562 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-24 22:57:04,562 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-09-24 22:57:04,562 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2020-09-24 22:57:04,563 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-24 22:57:04,563 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-24 22:57:04,563 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-09-24 22:57:04,563 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-09-24 22:57:04,563 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-09-24 22:57:04,563 INFO L268 CegarLoopResult]: For program point L274(lines 274 389) no Hoare annotation was computed. [2020-09-24 22:57:04,563 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-24 22:57:04,563 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-24 22:57:04,563 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-24 22:57:04,563 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-24 22:57:04,564 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-24 22:57:04,564 INFO L268 CegarLoopResult]: For program point L374(lines 374 383) no Hoare annotation was computed. [2020-09-24 22:57:04,564 INFO L268 CegarLoopResult]: For program point L341(lines 341 350) no Hoare annotation was computed. [2020-09-24 22:57:04,564 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-24 22:57:04,564 INFO L268 CegarLoopResult]: For program point L110(lines 110 201) no Hoare annotation was computed. [2020-09-24 22:57:04,564 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-24 22:57:04,564 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-09-24 22:57:04,564 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 276) no Hoare annotation was computed. [2020-09-24 22:57:04,564 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-24 22:57:04,565 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-24 22:57:04,565 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-24 22:57:04,565 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-09-24 22:57:04,565 INFO L264 CegarLoopResult]: At program point L193(lines 54 251) the Hoare annotation is: (and (<= 1 main_~main__t~0) (<= main_~main__t~0 main_~main__tagbuf_len~0)) [2020-09-24 22:57:04,565 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-24 22:57:04,565 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2020-09-24 22:57:04,565 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-09-24 22:57:04,565 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-24 22:57:04,566 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-09-24 22:57:04,566 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-09-24 22:57:04,566 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-24 22:57:04,566 INFO L268 CegarLoopResult]: For program point L293(lines 293 315) no Hoare annotation was computed. [2020-09-24 22:57:04,566 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-24 22:57:04,566 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-24 22:57:04,566 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-24 22:57:04,566 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-24 22:57:04,566 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-24 22:57:04,567 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2020-09-24 22:57:04,567 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-24 22:57:04,567 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-24 22:57:04,567 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-09-24 22:57:04,567 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-24 22:57:04,567 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-24 22:57:04,567 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-24 22:57:04,567 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-09-24 22:57:04,568 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-09-24 22:57:04,568 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-24 22:57:04,568 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-24 22:57:04,568 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-24 22:57:04,569 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 50) no Hoare annotation was computed. [2020-09-24 22:57:04,569 INFO L268 CegarLoopResult]: For program point L30(lines 30 393) no Hoare annotation was computed. [2020-09-24 22:57:04,569 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 400) the Hoare annotation is: (and (= |old(~__tmp_259_0~0)| ~__tmp_259_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-24 22:57:04,569 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-09-24 22:57:04,569 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-24 22:57:04,569 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-24 22:57:04,569 INFO L268 CegarLoopResult]: For program point L212-1(line 212) no Hoare annotation was computed. [2020-09-24 22:57:04,569 INFO L268 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-09-24 22:57:04,570 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-09-24 22:57:04,570 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-24 22:57:04,570 INFO L268 CegarLoopResult]: For program point L80(lines 80 90) no Hoare annotation was computed. [2020-09-24 22:57:04,570 INFO L268 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-09-24 22:57:04,570 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-09-24 22:57:04,570 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-09-24 22:57:04,570 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-24 22:57:04,570 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 364) no Hoare annotation was computed. [2020-09-24 22:57:04,570 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-24 22:57:04,571 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-24 22:57:04,571 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-24 22:57:04,571 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-24 22:57:04,571 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-24 22:57:04,571 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 174) no Hoare annotation was computed. [2020-09-24 22:57:04,571 INFO L264 CegarLoopResult]: At program point L312(lines 30 393) the Hoare annotation is: (<= main_~main__t~0 main_~main__tagbuf_len~0) [2020-09-24 22:57:04,571 INFO L268 CegarLoopResult]: For program point L213(lines 213 248) no Hoare annotation was computed. [2020-09-24 22:57:04,571 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-09-24 22:57:04,571 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-24 22:57:04,572 INFO L268 CegarLoopResult]: For program point L48(lines 48 251) no Hoare annotation was computed. [2020-09-24 22:57:04,572 INFO L268 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-09-24 22:57:04,572 INFO L268 CegarLoopResult]: For program point L329(lines 329 352) no Hoare annotation was computed. [2020-09-24 22:57:04,572 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-24 22:57:04,572 INFO L268 CegarLoopResult]: For program point L263(lines 263 391) no Hoare annotation was computed. [2020-09-24 22:57:04,572 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-24 22:57:04,572 INFO L268 CegarLoopResult]: For program point L131(lines 131 198) no Hoare annotation was computed. [2020-09-24 22:57:04,572 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-24 22:57:04,572 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-24 22:57:04,573 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-09-24 22:57:04,573 INFO L268 CegarLoopResult]: For program point L98-2(line 98) no Hoare annotation was computed. [2020-09-24 22:57:04,573 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-09-24 22:57:04,573 INFO L264 CegarLoopResult]: At program point L247(lines 99 249) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) [2020-09-24 22:57:04,573 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-24 22:57:04,573 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-24 22:57:04,573 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-24 22:57:04,573 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 22:57:04,573 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-24 22:57:04,574 INFO L268 CegarLoopResult]: For program point L99(lines 99 249) no Hoare annotation was computed. [2020-09-24 22:57:04,574 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-24 22:57:04,574 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-09-24 22:57:04,574 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2020-09-24 22:57:04,574 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-09-24 22:57:04,574 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-24 22:57:04,574 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-24 22:57:04,574 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-24 22:57:04,574 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-24 22:57:04,575 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-24 22:57:04,575 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-24 22:57:04,575 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-24 22:57:04,575 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-24 22:57:04,575 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-24 22:57:04,575 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-09-24 22:57:04,575 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-09-24 22:57:04,575 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 376) no Hoare annotation was computed. [2020-09-24 22:57:04,575 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-24 22:57:04,576 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-24 22:57:04,576 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-09-24 22:57:04,576 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-09-24 22:57:04,576 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-09-24 22:57:04,576 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-24 22:57:04,576 INFO L268 CegarLoopResult]: For program point L150(lines 150 158) no Hoare annotation was computed. [2020-09-24 22:57:04,576 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-24 22:57:04,576 INFO L268 CegarLoopResult]: For program point L18(lines 18 399) no Hoare annotation was computed. [2020-09-24 22:57:04,576 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-09-24 22:57:04,577 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-24 22:57:04,577 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-09-24 22:57:04,577 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-24 22:57:04,577 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-24 22:57:04,577 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-09-24 22:57:04,577 INFO L268 CegarLoopResult]: For program point L68(lines 68 92) no Hoare annotation was computed. [2020-09-24 22:57:04,577 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-09-24 22:57:04,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:57:04 BoogieIcfgContainer [2020-09-24 22:57:04,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 22:57:04,617 INFO L168 Benchmark]: Toolchain (without parser) took 45961.58 ms. Allocated memory was 141.0 MB in the beginning and 421.0 MB in the end (delta: 280.0 MB). Free memory was 104.1 MB in the beginning and 367.5 MB in the end (delta: -263.4 MB). Peak memory consumption was 291.4 MB. Max. memory is 7.1 GB. [2020-09-24 22:57:04,621 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 22:57:04,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.87 ms. Allocated memory is still 141.0 MB. Free memory was 103.4 MB in the beginning and 90.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-09-24 22:57:04,625 INFO L168 Benchmark]: Boogie Preprocessor took 177.55 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 90.6 MB in the beginning and 183.4 MB in the end (delta: -92.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-09-24 22:57:04,625 INFO L168 Benchmark]: RCFGBuilder took 693.27 ms. Allocated memory is still 206.0 MB. Free memory was 183.4 MB in the beginning and 145.8 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. [2020-09-24 22:57:04,626 INFO L168 Benchmark]: TraceAbstraction took 44673.34 ms. Allocated memory was 206.0 MB in the beginning and 421.0 MB in the end (delta: 215.0 MB). Free memory was 145.2 MB in the beginning and 367.5 MB in the end (delta: -222.3 MB). Peak memory consumption was 267.5 MB. Max. memory is 7.1 GB. [2020-09-24 22:57:04,631 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 407.87 ms. Allocated memory is still 141.0 MB. Free memory was 103.4 MB in the beginning and 90.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 177.55 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 90.6 MB in the beginning and 183.4 MB in the end (delta: -92.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 693.27 ms. Allocated memory is still 206.0 MB. Free memory was 183.4 MB in the beginning and 145.8 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44673.34 ms. Allocated memory was 206.0 MB in the beginning and 421.0 MB in the end (delta: 215.0 MB). Free memory was 145.2 MB in the beginning and 367.5 MB in the end (delta: -222.3 MB). Peak memory consumption was 267.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 343]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 364]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 174]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 186]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 307]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 222]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 234]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 331]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 276]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 376]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 70]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((__tmp_2 == 1 && main__t + 1 <= main__tagbuf_len) && __VERIFIER_assert__cond == 1) && 0 <= main__t) || ((main__t + 1 <= main__tagbuf_len && 1 <= main__t) && 0 <= main__t) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && __tmp_14 == 1) && __tmp_13 == 1) && 0 <= main__t) || (((((((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && __tmp_13 == 1) && 0 <= main__t) && 1 <= __VERIFIER_assert__cond) && 1 <= __tmp_20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 228 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.7s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3615 SDtfs, 9160 SDslu, 7784 SDs, 0 SdLazy, 9183 SolverSat, 329 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 1104 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 15 NumberOfFragments, 131 HoareAnnotationTreeSize, 9 FomulaSimplifications, 348484 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 661 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 30.1s InterpolantComputationTime, 1154 NumberOfCodeBlocks, 1154 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1133 ConstructedInterpolants, 0 QuantifiedInterpolants, 184180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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...