/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:28:06,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:28:06,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:28:06,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:28:06,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:28:06,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:28:06,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:28:06,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:28:06,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:28:06,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:28:06,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:28:06,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:28:06,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:28:06,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:28:06,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:28:06,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:28:06,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:28:06,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:28:06,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:28:06,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:28:06,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:28:06,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:28:06,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:28:06,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:28:06,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:28:06,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:28:06,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:28:06,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:28:06,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:28:06,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:28:06,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:28:06,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:28:06,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:28:06,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:28:06,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:28:06,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:28:06,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:28:06,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:28:06,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:28:06,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:28:06,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:28:06,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 17:28:06,378 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:28:06,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:28:06,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:28:06,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:28:06,382 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:28:06,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:28:06,385 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:28:06,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:28:06,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:28:06,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:28:06,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:28:06,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:28:06,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:28:06,387 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:28:06,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:28:06,388 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:28:06,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:28:06,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:28:06,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:28:06,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:28:06,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:28:06,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:28:06,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:28:06,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:28:06,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:28:06,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:28:06,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:28:06,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:28:06,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:28:06,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:28:06,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:28:06,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:28:06,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:28:06,885 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:28:06,886 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:28:06,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label36.c [2020-10-27 17:28:06,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/266a5f877/01c758277fa44edd8bca121e04230ce1/FLAG7e1a120bb [2020-10-27 17:28:07,691 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:28:07,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label36.c [2020-10-27 17:28:07,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/266a5f877/01c758277fa44edd8bca121e04230ce1/FLAG7e1a120bb [2020-10-27 17:28:07,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/266a5f877/01c758277fa44edd8bca121e04230ce1 [2020-10-27 17:28:07,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:28:07,979 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:28:07,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:28:07,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:28:07,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:28:07,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:28:07" (1/1) ... [2020-10-27 17:28:07,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b33b144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:07, skipping insertion in model container [2020-10-27 17:28:07,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:28:07" (1/1) ... [2020-10-27 17:28:08,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:28:08,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:28:08,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:28:08,655 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:28:08,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:28:08,857 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:28:08,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:08 WrapperNode [2020-10-27 17:28:08,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:28:08,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:28:08,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:28:08,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:28:08,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:08" (1/1) ... [2020-10-27 17:28:08,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:08" (1/1) ... [2020-10-27 17:28:08,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:08" (1/1) ... [2020-10-27 17:28:08,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:08" (1/1) ... [2020-10-27 17:28:08,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:08" (1/1) ... [2020-10-27 17:28:09,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:08" (1/1) ... [2020-10-27 17:28:09,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:08" (1/1) ... [2020-10-27 17:28:09,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:28:09,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:28:09,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:28:09,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:28:09,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:28:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:28:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:28:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:28:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:28:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:28:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:28:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:28:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:28:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:28:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:28:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:28:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:28:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:28:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:28:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:28:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:28:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:28:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:28:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:28:11,210 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:28:11,212 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:28:11,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:28:11 BoogieIcfgContainer [2020-10-27 17:28:11,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:28:11,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:28:11,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:28:11,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:28:11,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:28:07" (1/3) ... [2020-10-27 17:28:11,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322b3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:28:11, skipping insertion in model container [2020-10-27 17:28:11,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:28:08" (2/3) ... [2020-10-27 17:28:11,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322b3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:28:11, skipping insertion in model container [2020-10-27 17:28:11,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:28:11" (3/3) ... [2020-10-27 17:28:11,229 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label36.c [2020-10-27 17:28:11,242 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:28:11,248 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:28:11,262 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:28:11,305 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:28:11,305 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:28:11,305 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:28:11,305 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:28:11,306 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:28:11,306 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:28:11,306 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:28:11,306 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:28:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-27 17:28:11,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-27 17:28:11,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:11,350 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] [2020-10-27 17:28:11,351 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:11,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:11,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1396504636, now seen corresponding path program 1 times [2020-10-27 17:28:11,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:11,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1643460406] [2020-10-27 17:28:11,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:11,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:12,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:12,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 17:28:12,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 568 [2020-10-27 17:28:12,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:28:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:28:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 17:28:12,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:28:12,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:12,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:12,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:12,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:12,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:12,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 17:28:12,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:28:12,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:12,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1643460406] [2020-10-27 17:28:12,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:28:12,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:28:12,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679056185] [2020-10-27 17:28:12,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:28:12,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:12,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:28:12,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:28:12,450 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-27 17:28:12,619 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-27 17:28:14,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:14,878 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-27 17:28:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:14,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2020-10-27 17:28:14,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:14,895 INFO L225 Difference]: With dead ends: 586 [2020-10-27 17:28:14,895 INFO L226 Difference]: Without dead ends: 303 [2020-10-27 17:28:14,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:14,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-27 17:28:14,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-27 17:28:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-27 17:28:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-27 17:28:14,990 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 46 [2020-10-27 17:28:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:14,991 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-27 17:28:14,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:28:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-27 17:28:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 17:28:14,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:14,998 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:14,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:28:14,999 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:14,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:14,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1786879140, now seen corresponding path program 1 times [2020-10-27 17:28:15,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:15,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907858783] [2020-10-27 17:28:15,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:15,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:15,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:16,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:16,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:16,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 17:28:16,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:16,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1318 [2020-10-27 17:28:16,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:28:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 17:28:16,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:16,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:16,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:16,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:16,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:16,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:16,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 17:28:16,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:16,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:16,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:16,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:16,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:16,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:28:16,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:16,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 17:28:16,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:16,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:28:16,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:16,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907858783] [2020-10-27 17:28:16,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:16,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:16,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302754477] [2020-10-27 17:28:16,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:16,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:16,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:16,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:16,793 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 5 states. [2020-10-27 17:28:18,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:18,410 INFO L93 Difference]: Finished difference Result 884 states and 1290 transitions. [2020-10-27 17:28:18,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:18,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-27 17:28:18,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:18,418 INFO L225 Difference]: With dead ends: 884 [2020-10-27 17:28:18,418 INFO L226 Difference]: Without dead ends: 593 [2020-10-27 17:28:18,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:18,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-27 17:28:18,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 587. [2020-10-27 17:28:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-27 17:28:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 791 transitions. [2020-10-27 17:28:18,469 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 791 transitions. Word has length 118 [2020-10-27 17:28:18,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:18,470 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 791 transitions. [2020-10-27 17:28:18,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 791 transitions. [2020-10-27 17:28:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-27 17:28:18,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:18,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:18,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:28:18,477 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:18,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:18,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1820685276, now seen corresponding path program 1 times [2020-10-27 17:28:18,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:18,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222859430] [2020-10-27 17:28:18,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:18,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:18,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:19,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:20,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:20,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 17:28:20,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:20,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1936 [2020-10-27 17:28:20,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-27 17:28:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 17:28:20,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:20,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:20,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:20,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:20,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:20,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:20,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 17:28:20,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:20,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:20,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:20,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:20,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 17:28:20,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-27 17:28:20,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 17:28:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:21,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222859430] [2020-10-27 17:28:21,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:21,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:21,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502714612] [2020-10-27 17:28:21,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:21,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:21,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:21,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:21,151 INFO L87 Difference]: Start difference. First operand 587 states and 791 transitions. Second operand 5 states. [2020-10-27 17:28:22,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:22,293 INFO L93 Difference]: Finished difference Result 1195 states and 1622 transitions. [2020-10-27 17:28:22,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:22,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2020-10-27 17:28:22,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:22,304 INFO L225 Difference]: With dead ends: 1195 [2020-10-27 17:28:22,304 INFO L226 Difference]: Without dead ends: 593 [2020-10-27 17:28:22,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:22,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-27 17:28:22,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 587. [2020-10-27 17:28:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-27 17:28:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 787 transitions. [2020-10-27 17:28:22,359 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 787 transitions. Word has length 182 [2020-10-27 17:28:22,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:22,361 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 787 transitions. [2020-10-27 17:28:22,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 787 transitions. [2020-10-27 17:28:22,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-27 17:28:22,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:22,373 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:22,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:28:22,373 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:22,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:22,375 INFO L82 PathProgramCache]: Analyzing trace with hash 331331820, now seen corresponding path program 1 times [2020-10-27 17:28:22,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:22,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1219034075] [2020-10-27 17:28:22,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:22,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:22,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:23,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:26,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:27,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:27,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-27 17:28:27,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:28:27,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 17:28:27,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:27,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:27,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-27 17:28:27,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 17:28:27,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:28:27,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:27,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:27,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:27,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:27,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:28:27,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:27,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:27,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:27,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:27,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:27,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:27,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:27,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 17:28:27,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:27,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-27 17:28:27,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:27,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:27,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:27,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-27 17:28:27,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:28:27,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1219034075] [2020-10-27 17:28:27,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:27,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:28:27,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403868755] [2020-10-27 17:28:27,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:28:27,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:27,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:28:27,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:27,964 INFO L87 Difference]: Start difference. First operand 587 states and 787 transitions. Second operand 6 states. [2020-10-27 17:28:30,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:30,230 INFO L93 Difference]: Finished difference Result 1176 states and 1670 transitions. [2020-10-27 17:28:30,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:28:30,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2020-10-27 17:28:30,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:30,243 INFO L225 Difference]: With dead ends: 1176 [2020-10-27 17:28:30,243 INFO L226 Difference]: Without dead ends: 1173 [2020-10-27 17:28:30,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:28:30,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-10-27 17:28:30,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 881. [2020-10-27 17:28:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2020-10-27 17:28:30,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1225 transitions. [2020-10-27 17:28:30,312 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1225 transitions. Word has length 187 [2020-10-27 17:28:30,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:30,313 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1225 transitions. [2020-10-27 17:28:30,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:28:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1225 transitions. [2020-10-27 17:28:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-27 17:28:30,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:30,317 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:30,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:28:30,318 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:30,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:30,318 INFO L82 PathProgramCache]: Analyzing trace with hash -2005253548, now seen corresponding path program 1 times [2020-10-27 17:28:30,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:30,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249340367] [2020-10-27 17:28:30,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:30,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:30,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:31,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:31,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:31,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-27 17:28:31,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:28:31,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1298 [2020-10-27 17:28:31,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-27 17:28:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 17:28:31,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:31,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:31,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:31,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:31,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:31,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:31,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:28:31,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:31,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:31,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:31,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:31,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:31,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:28:31,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:31,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 17:28:31,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:31,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:31,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:31,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:31,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:31,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 17:28:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:31,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:32,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:32,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 17:28:32,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:32,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 17:28:32,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:32,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:32,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:32,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 17:28:32,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-27 17:28:32,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249340367] [2020-10-27 17:28:32,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:32,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:32,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548974711] [2020-10-27 17:28:32,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:32,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:32,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:32,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:32,235 INFO L87 Difference]: Start difference. First operand 881 states and 1225 transitions. Second operand 5 states. [2020-10-27 17:28:33,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:33,494 INFO L93 Difference]: Finished difference Result 1779 states and 2489 transitions. [2020-10-27 17:28:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:33,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2020-10-27 17:28:33,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:33,502 INFO L225 Difference]: With dead ends: 1779 [2020-10-27 17:28:33,502 INFO L226 Difference]: Without dead ends: 887 [2020-10-27 17:28:33,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:33,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-27 17:28:33,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 881. [2020-10-27 17:28:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2020-10-27 17:28:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1221 transitions. [2020-10-27 17:28:33,547 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1221 transitions. Word has length 214 [2020-10-27 17:28:33,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:33,547 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1221 transitions. [2020-10-27 17:28:33,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1221 transitions. [2020-10-27 17:28:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-10-27 17:28:33,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:28:33,553 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:28:33,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:28:33,553 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:28:33,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:28:33,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1672100572, now seen corresponding path program 1 times [2020-10-27 17:28:33,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:28:33,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11738471] [2020-10-27 17:28:33,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:28:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:33,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:33,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:33,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:35,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:37,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:38,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:38,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-27 17:28:38,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:28:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 17:28:38,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:28:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-27 17:28:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 17:28:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:38,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:28:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:38,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:38,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:38,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:28:38,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:28:38,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:28:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:38,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:38,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:38,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:28:38,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:38,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 17:28:38,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:28:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:38,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:28:38,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:38,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 17:28:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:28:38,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:28:38,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:28:38,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 17:28:38,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:28:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 17:28:38,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:28:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:28:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:28:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 17:28:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:28:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 17:28:39,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11738471] [2020-10-27 17:28:39,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:28:39,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:28:39,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007922436] [2020-10-27 17:28:39,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:28:39,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:28:39,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:28:39,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:28:39,048 INFO L87 Difference]: Start difference. First operand 881 states and 1221 transitions. Second operand 5 states. [2020-10-27 17:28:40,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:28:40,873 INFO L93 Difference]: Finished difference Result 2049 states and 2894 transitions. [2020-10-27 17:28:40,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:28:40,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2020-10-27 17:28:40,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:28:40,875 INFO L225 Difference]: With dead ends: 2049 [2020-10-27 17:28:40,875 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:28:40,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:28:40,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:28:40,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:28:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:28:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:28:40,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2020-10-27 17:28:40,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:28:40,881 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:28:40,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:28:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:28:40,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:28:40,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:28:40,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:28:41,540 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 24 [2020-10-27 17:28:41,687 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:28:41,687 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:28:41,688 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:28:41,688 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:28:41,688 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:28:41,690 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-27 17:28:41,690 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:28:41,690 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-27 17:28:41,690 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-27 17:28:41,690 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-27 17:28:41,690 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 17:28:41,690 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 17:28:41,691 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 17:28:41,691 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 17:28:41,691 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 17:28:41,691 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 17:28:41,691 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-27 17:28:41,691 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-27 17:28:41,691 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-27 17:28:41,692 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-27 17:28:41,693 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,693 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,693 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,693 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,693 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,693 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,693 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-27 17:28:41,693 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-27 17:28:41,694 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 17:28:41,694 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 17:28:41,694 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 17:28:41,694 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 17:28:41,694 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 17:28:41,694 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 17:28:41,694 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-27 17:28:41,694 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-27 17:28:41,694 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-27 17:28:41,695 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,695 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,695 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,695 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,695 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,695 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-27 17:28:41,695 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-27 17:28:41,695 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-27 17:28:41,695 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-27 17:28:41,696 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 17:28:41,696 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 17:28:41,696 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 17:28:41,696 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 17:28:41,697 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 17:28:41,697 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-27 17:28:41,697 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-27 17:28:41,697 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-27 17:28:41,697 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-27 17:28:41,697 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-27 17:28:41,697 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,697 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,697 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,698 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,698 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,698 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-27 17:28:41,698 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 17:28:41,698 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 17:28:41,698 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 17:28:41,698 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 17:28:41,699 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 17:28:41,699 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-27 17:28:41,699 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-27 17:28:41,699 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-27 17:28:41,700 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-27 17:28:41,700 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,700 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,700 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,700 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,700 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,700 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-27 17:28:41,700 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-27 17:28:41,700 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-27 17:28:41,700 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 17:28:41,701 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 17:28:41,701 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 17:28:41,701 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 17:28:41,701 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 17:28:41,701 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-27 17:28:41,701 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-27 17:28:41,701 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-27 17:28:41,701 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-27 17:28:41,701 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-27 17:28:41,702 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,702 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,702 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,702 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,702 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,702 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 17:28:41,702 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 17:28:41,702 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 17:28:41,702 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 17:28:41,703 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 17:28:41,703 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,704 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,704 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-27 17:28:41,704 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-27 17:28:41,704 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-27 17:28:41,704 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-27 17:28:41,704 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,704 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,704 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,704 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,705 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,705 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-27 17:28:41,705 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-27 17:28:41,705 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-27 17:28:41,705 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-27 17:28:41,705 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 17:28:41,705 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 17:28:41,705 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 17:28:41,705 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 17:28:41,705 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,706 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,707 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-27 17:28:41,707 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-27 17:28:41,707 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-27 17:28:41,707 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 17:28:41,707 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 17:28:41,707 INFO L270 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (and (= 7 |old(~a19~0)|) (not (= 2 |old(~a10~0)|)) (not (<= |old(~a10~0)| 1))) [2020-10-27 17:28:41,707 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 17:28:41,707 INFO L274 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-10-27 17:28:41,708 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 17:28:41,708 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 17:28:41,708 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-27 17:28:41,708 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-27 17:28:41,708 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-27 17:28:41,708 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-27 17:28:41,708 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,708 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,708 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,708 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,709 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,709 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,709 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-27 17:28:41,709 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (= 7 |old(~a19~0)|) .cse0) (or .cse0 (not (<= |old(~a10~0)| 1))) (or .cse0 (not (= 2 |old(~a10~0)|))))) [2020-10-27 17:28:41,709 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-27 17:28:41,709 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-27 17:28:41,709 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 17:28:41,709 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 17:28:41,710 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 17:28:41,710 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 17:28:41,710 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 17:28:41,710 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 17:28:41,710 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-27 17:28:41,710 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-27 17:28:41,710 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-27 17:28:41,710 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-27 17:28:41,710 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-27 17:28:41,710 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,711 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,711 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,711 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,711 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,711 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,711 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-27 17:28:41,711 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 17:28:41,711 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 17:28:41,711 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 17:28:41,711 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,712 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,713 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,713 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,713 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,713 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-27 17:28:41,713 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-27 17:28:41,713 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-27 17:28:41,713 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 17:28:41,713 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 17:28:41,713 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 17:28:41,713 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 17:28:41,714 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 17:28:41,714 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 17:28:41,714 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-27 17:28:41,714 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-27 17:28:41,714 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-27 17:28:41,714 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,714 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,714 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,714 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,714 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,715 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:28:41,715 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:28:41,715 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (<= ~a10~0 1)) [2020-10-27 17:28:41,715 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:28:41,715 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:28:41,716 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a10~0)| 1))) [2020-10-27 17:28:41,716 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:28:41,716 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (<= ~a10~0 1) (not (= 7 ~a19~0)) (not (<= |old(~a10~0)| 1))) [2020-10-27 17:28:41,717 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-27 17:28:41,717 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-27 17:28:41,717 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (<= ~a10~0 1) (not (= 7 ~a19~0)) (not (<= |old(~a10~0)| 1))) [2020-10-27 17:28:41,717 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:28:41,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:28:41 BoogieIcfgContainer [2020-10-27 17:28:41,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:28:41,748 INFO L168 Benchmark]: Toolchain (without parser) took 33772.91 ms. Allocated memory was 159.4 MB in the beginning and 653.3 MB in the end (delta: 493.9 MB). Free memory was 133.7 MB in the beginning and 492.4 MB in the end (delta: -358.7 MB). Peak memory consumption was 135.9 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:41,748 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:28:41,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 875.13 ms. Allocated memory is still 159.4 MB. Free memory was 133.1 MB in the beginning and 106.6 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:41,756 INFO L168 Benchmark]: Boogie Preprocessor took 185.82 ms. Allocated memory is still 159.4 MB. Free memory was 106.4 MB in the beginning and 101.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:41,757 INFO L168 Benchmark]: RCFGBuilder took 2168.41 ms. Allocated memory is still 159.4 MB. Free memory was 101.9 MB in the beginning and 132.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 54.6 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:41,758 INFO L168 Benchmark]: TraceAbstraction took 30522.94 ms. Allocated memory was 159.4 MB in the beginning and 653.3 MB in the end (delta: 493.9 MB). Free memory was 132.2 MB in the beginning and 492.4 MB in the end (delta: -360.2 MB). Peak memory consumption was 133.7 MB. Max. memory is 8.0 GB. [2020-10-27 17:28:41,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 875.13 ms. Allocated memory is still 159.4 MB. Free memory was 133.1 MB in the beginning and 106.6 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 185.82 ms. Allocated memory is still 159.4 MB. Free memory was 106.4 MB in the beginning and 101.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2168.41 ms. Allocated memory is still 159.4 MB. Free memory was 101.9 MB in the beginning and 132.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 54.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30522.94 ms. Allocated memory was 159.4 MB in the beginning and 653.3 MB in the end (delta: 493.9 MB). Free memory was 132.2 MB in the beginning and 492.4 MB in the end (delta: -360.2 MB). Peak memory consumption was 133.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((a10 == 2 || !(9 == \old(a19))) || a10 <= 1) || !(7 == a19)) || !(\old(a10) <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.5s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 136 SDtfs, 2115 SDslu, 113 SDs, 0 SdLazy, 3800 SolverSat, 518 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=881occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 316 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 72 PreInvPairs, 94 NumberOfFragments, 184 HoareAnnotationTreeSize, 72 FomulaSimplifications, 9140 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1129 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 985 NumberOfCodeBlocks, 985 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 979 ConstructedInterpolants, 0 QuantifiedInterpolants, 462640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 401/408 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...