/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:31:34,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:31:34,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:31:34,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:31:34,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:31:34,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:31:34,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:31:34,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:31:34,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:31:34,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:31:34,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:31:34,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:31:34,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:31:34,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:31:34,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:31:34,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:31:34,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:31:34,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:31:34,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:31:34,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:31:34,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:31:34,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:31:34,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:31:34,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:31:34,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:31:34,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:31:34,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:31:34,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:31:34,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:31:34,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:31:34,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:31:34,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:31:34,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:31:34,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:31:34,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:31:34,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:31:34,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:31:34,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:31:34,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:31:34,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:31:34,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:31:34,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:31:34,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:31:34,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:31:34,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:31:34,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:31:34,330 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:31:34,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:31:34,331 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:31:34,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:31:34,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:31:34,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:31:34,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:31:34,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:31:34,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:31:34,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:31:34,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:31:34,333 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:31:34,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:31:34,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:31:34,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:31:34,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:31:34,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:31:34,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:31:34,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:31:34,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:31:34,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:31:34,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:31:34,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:31:34,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:31:34,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:31:34,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:31:34,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:31:34,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:31:34,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:31:34,859 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:31:34,859 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:31:34,861 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-21 11:31:34,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b3f67072/25ec092d7dc149dfa32f6292065dce52/FLAG2dcac788e [2020-09-21 11:31:35,505 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:31:35,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-21 11:31:35,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b3f67072/25ec092d7dc149dfa32f6292065dce52/FLAG2dcac788e [2020-09-21 11:31:35,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b3f67072/25ec092d7dc149dfa32f6292065dce52 [2020-09-21 11:31:35,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:31:35,865 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:31:35,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:31:35,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:31:35,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:31:35,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:31:35" (1/1) ... [2020-09-21 11:31:35,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18153661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:35, skipping insertion in model container [2020-09-21 11:31:35,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:31:35" (1/1) ... [2020-09-21 11:31:35,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:31:35,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:31:36,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:31:36,214 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:31:36,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:31:36,351 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:31:36,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36 WrapperNode [2020-09-21 11:31:36,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:31:36,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:31:36,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:31:36,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:31:36,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... [2020-09-21 11:31:36,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:31:36,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:31:36,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:31:36,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:31:36,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:31:36,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:31:36,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:31:36,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:31:36,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:31:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:31:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:31:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:31:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 11:31:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-21 11:31:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:31:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:31:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:31:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:31:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:31:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:31:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:31:36,869 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:31:36,870 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:31:36,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:31:36 BoogieIcfgContainer [2020-09-21 11:31:36,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:31:36,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:31:36,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:31:36,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:31:36,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:31:35" (1/3) ... [2020-09-21 11:31:36,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc7b6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:31:36, skipping insertion in model container [2020-09-21 11:31:36,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:31:36" (2/3) ... [2020-09-21 11:31:36,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc7b6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:31:36, skipping insertion in model container [2020-09-21 11:31:36,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:31:36" (3/3) ... [2020-09-21 11:31:36,894 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2020-09-21 11:31:36,905 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:31:36,916 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-21 11:31:36,939 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-21 11:31:36,969 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:31:36,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:31:36,969 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:31:36,969 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:31:36,970 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:31:36,970 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:31:36,970 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:31:36,970 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:31:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-09-21 11:31:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 11:31:36,997 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:36,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:31:36,999 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:37,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:37,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1504353719, now seen corresponding path program 1 times [2020-09-21 11:31:37,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:37,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815298339] [2020-09-21 11:31:37,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:31:37,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:31:37,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:31:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:31:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:31:37,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:37,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:37,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:31:37,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:37,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:31:37,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815298339] [2020-09-21 11:31:37,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:37,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:31:37,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220130517] [2020-09-21 11:31:37,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:31:37,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:37,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:31:37,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:31:37,392 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 4 states. [2020-09-21 11:31:37,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:37,562 INFO L93 Difference]: Finished difference Result 51 states and 67 transitions. [2020-09-21 11:31:37,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:31:37,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-09-21 11:31:37,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:37,578 INFO L225 Difference]: With dead ends: 51 [2020-09-21 11:31:37,579 INFO L226 Difference]: Without dead ends: 33 [2020-09-21 11:31:37,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:31:37,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-21 11:31:37,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2020-09-21 11:31:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-21 11:31:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2020-09-21 11:31:37,637 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 13 [2020-09-21 11:31:37,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:37,638 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2020-09-21 11:31:37,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:31:37,638 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2020-09-21 11:31:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 11:31:37,639 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:37,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:31:37,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:31:37,640 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:37,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:37,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1581018098, now seen corresponding path program 1 times [2020-09-21 11:31:37,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:37,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792849989] [2020-09-21 11:31:37,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-21 11:31:37,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:31:37,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:31:37,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:31:37,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:31:37,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:37,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:37,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:31:37,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:37,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:37,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:37,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:31:37,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792849989] [2020-09-21 11:31:37,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:37,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:31:37,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163716972] [2020-09-21 11:31:37,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:31:37,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:37,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:31:37,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:31:37,806 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand 5 states. [2020-09-21 11:31:37,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:37,931 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2020-09-21 11:31:37,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:31:37,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-21 11:31:37,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:37,933 INFO L225 Difference]: With dead ends: 51 [2020-09-21 11:31:37,934 INFO L226 Difference]: Without dead ends: 49 [2020-09-21 11:31:37,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:31:37,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-09-21 11:31:37,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 33. [2020-09-21 11:31:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-09-21 11:31:37,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2020-09-21 11:31:37,945 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 14 [2020-09-21 11:31:37,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:37,945 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2020-09-21 11:31:37,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:31:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2020-09-21 11:31:37,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 11:31:37,947 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:37,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:31:37,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:31:37,948 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:37,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:37,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1644741047, now seen corresponding path program 1 times [2020-09-21 11:31:37,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:37,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098168603] [2020-09-21 11:31:37,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:37,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:37,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:37,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:37,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:37,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-21 11:31:37,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:37,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:31:37,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:31:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:31:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:31:37,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:38,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:38,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:38,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:38,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:38,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:38,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:38,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:31:38,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:38,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:38,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:38,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:38,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:31:38,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098168603] [2020-09-21 11:31:38,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:38,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:31:38,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124804901] [2020-09-21 11:31:38,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:31:38,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:38,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:31:38,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:31:38,093 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 4 states. [2020-09-21 11:31:38,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:38,204 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2020-09-21 11:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:31:38,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-09-21 11:31:38,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:38,206 INFO L225 Difference]: With dead ends: 60 [2020-09-21 11:31:38,207 INFO L226 Difference]: Without dead ends: 40 [2020-09-21 11:31:38,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:31:38,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-09-21 11:31:38,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2020-09-21 11:31:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-09-21 11:31:38,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-09-21 11:31:38,216 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 14 [2020-09-21 11:31:38,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:38,216 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-09-21 11:31:38,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:31:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-09-21 11:31:38,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-21 11:31:38,217 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:38,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:31:38,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:31:38,218 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:38,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:38,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1824116622, now seen corresponding path program 1 times [2020-09-21 11:31:38,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:38,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367856071] [2020-09-21 11:31:38,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:38,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:38,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:38,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:38,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:38,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:31:38,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:38,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:31:38,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:38,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:31:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:31:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:31:38,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:38,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:38,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:38,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:38,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:38,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:38,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:38,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:38,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:38,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:38,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:38,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:38,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:38,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:31:38,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367856071] [2020-09-21 11:31:38,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:38,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:31:38,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201920688] [2020-09-21 11:31:38,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:31:38,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:38,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:31:38,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:31:38,292 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 4 states. [2020-09-21 11:31:38,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:38,370 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2020-09-21 11:31:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:31:38,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-09-21 11:31:38,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:38,372 INFO L225 Difference]: With dead ends: 54 [2020-09-21 11:31:38,372 INFO L226 Difference]: Without dead ends: 34 [2020-09-21 11:31:38,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:31:38,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-09-21 11:31:38,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2020-09-21 11:31:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-21 11:31:38,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2020-09-21 11:31:38,379 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 15 [2020-09-21 11:31:38,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:38,379 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2020-09-21 11:31:38,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:31:38,379 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2020-09-21 11:31:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-09-21 11:31:38,380 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:38,380 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] [2020-09-21 11:31:38,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:31:38,381 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:38,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:38,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1385845809, now seen corresponding path program 1 times [2020-09-21 11:31:38,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:38,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653660776] [2020-09-21 11:31:38,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:38,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 11:31:38,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -2 [2020-09-21 11:31:38,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 2 [2020-09-21 11:31:38,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:38,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:31:38,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:38,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-09-21 11:31:38,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:31:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 11:31:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:31:38,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:39,383 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 49 [2020-09-21 11:31:40,191 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 72 [2020-09-21 11:31:40,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:40,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:40,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:40,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:40,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:40,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:40,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:40,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:40,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:40,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:40,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:40,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:31:40,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653660776] [2020-09-21 11:31:40,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:40,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:31:40,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993502781] [2020-09-21 11:31:40,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:31:40,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:40,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:31:40,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:31:40,244 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 7 states. [2020-09-21 11:31:40,492 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-09-21 11:31:40,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:40,542 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2020-09-21 11:31:40,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:31:40,543 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-09-21 11:31:40,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:40,544 INFO L225 Difference]: With dead ends: 33 [2020-09-21 11:31:40,544 INFO L226 Difference]: Without dead ends: 31 [2020-09-21 11:31:40,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:31:40,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-21 11:31:40,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-09-21 11:31:40,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 11:31:40,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-09-21 11:31:40,552 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 20 [2020-09-21 11:31:40,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:40,553 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-09-21 11:31:40,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:31:40,553 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-09-21 11:31:40,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-21 11:31:40,554 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:40,554 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] [2020-09-21 11:31:40,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:31:40,555 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:40,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:40,555 INFO L82 PathProgramCache]: Analyzing trace with hash -624217503, now seen corresponding path program 1 times [2020-09-21 11:31:40,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:40,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056815842] [2020-09-21 11:31:40,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:40,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:31:40,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -1 [2020-09-21 11:31:40,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 1 [2020-09-21 11:31:40,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:40,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:31:40,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:40,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:31:40,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:40,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:31:40,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:31:40,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:31:40,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:40,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:40,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:40,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:40,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:40,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:40,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:40,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:40,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:40,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:31:40,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056815842] [2020-09-21 11:31:40,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:40,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:31:40,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807154932] [2020-09-21 11:31:40,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:31:40,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:40,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:31:40,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:31:40,687 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 6 states. [2020-09-21 11:31:40,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:40,846 INFO L93 Difference]: Finished difference Result 67 states and 75 transitions. [2020-09-21 11:31:40,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:31:40,847 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-09-21 11:31:40,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:40,848 INFO L225 Difference]: With dead ends: 67 [2020-09-21 11:31:40,848 INFO L226 Difference]: Without dead ends: 50 [2020-09-21 11:31:40,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:31:40,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-09-21 11:31:40,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 34. [2020-09-21 11:31:40,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-09-21 11:31:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2020-09-21 11:31:40,857 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 21 [2020-09-21 11:31:40,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:40,857 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2020-09-21 11:31:40,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:31:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2020-09-21 11:31:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-21 11:31:40,858 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:40,858 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] [2020-09-21 11:31:40,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:31:40,859 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:40,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:40,859 INFO L82 PathProgramCache]: Analyzing trace with hash -640274852, now seen corresponding path program 1 times [2020-09-21 11:31:40,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:40,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2085548192] [2020-09-21 11:31:40,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:40,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 11:31:40,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -7 [2020-09-21 11:31:40,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 7 [2020-09-21 11:31:40,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:40,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:31:40,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:40,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:31:40,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:31:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:31:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:31:40,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:31:40,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:40,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:40,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:40,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:40,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:40,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:40,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:40,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:40,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:31:40,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2085548192] [2020-09-21 11:31:40,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:40,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:31:40,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970014017] [2020-09-21 11:31:40,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:31:40,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:40,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:31:40,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:31:40,951 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 5 states. [2020-09-21 11:31:41,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:41,069 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2020-09-21 11:31:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:31:41,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-09-21 11:31:41,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:41,072 INFO L225 Difference]: With dead ends: 53 [2020-09-21 11:31:41,073 INFO L226 Difference]: Without dead ends: 51 [2020-09-21 11:31:41,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:31:41,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-09-21 11:31:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 36. [2020-09-21 11:31:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-09-21 11:31:41,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2020-09-21 11:31:41,084 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 21 [2020-09-21 11:31:41,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:41,085 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2020-09-21 11:31:41,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:31:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2020-09-21 11:31:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-21 11:31:41,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:41,086 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:31:41,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:31:41,087 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:41,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:41,087 INFO L82 PathProgramCache]: Analyzing trace with hash 358048683, now seen corresponding path program 1 times [2020-09-21 11:31:41,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:41,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946251776] [2020-09-21 11:31:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:41,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:31:41,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -2 [2020-09-21 11:31:41,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 2 [2020-09-21 11:31:41,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:41,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 11:31:41,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:41,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:31:41,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:41,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:31:41,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-21 11:31:41,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:31:41,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:41,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:41,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:41,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:41,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:41,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:41,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:41,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:41,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:41,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:41,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:41,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:41,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:41,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:31:41,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946251776] [2020-09-21 11:31:41,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:31:41,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:31:41,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984164890] [2020-09-21 11:31:41,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:31:41,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:41,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:31:41,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:31:41,264 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 5 states. [2020-09-21 11:31:47,580 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification that was a NOOP. DAG size: 23 [2020-09-21 11:31:53,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:53,913 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2020-09-21 11:31:53,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:31:53,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-21 11:31:53,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:53,915 INFO L225 Difference]: With dead ends: 37 [2020-09-21 11:31:53,915 INFO L226 Difference]: Without dead ends: 29 [2020-09-21 11:31:53,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2020-09-21 11:31:53,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-09-21 11:31:53,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-09-21 11:31:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-09-21 11:31:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-09-21 11:31:53,923 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 22 [2020-09-21 11:31:53,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:53,923 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-09-21 11:31:53,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:31:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-09-21 11:31:53,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-21 11:31:53,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:53,926 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] [2020-09-21 11:31:53,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:31:53,927 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:53,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:53,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1635846330, now seen corresponding path program 1 times [2020-09-21 11:31:53,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:53,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368472764] [2020-09-21 11:31:53,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:53,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:31:53,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -1 [2020-09-21 11:31:53,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 1 [2020-09-21 11:31:53,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:53,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 11:31:53,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:31:53,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:31:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:31:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:31:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:54,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:54,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:54,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:54,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:54,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:54,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:54,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:54,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:31:54,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:54,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:54,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:31:54,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368472764] [2020-09-21 11:31:54,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:31:54,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:31:54,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860409140] [2020-09-21 11:31:54,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:31:54,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:54,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:31:54,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:31:54,091 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 6 states. [2020-09-21 11:31:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:54,193 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2020-09-21 11:31:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:31:54,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-09-21 11:31:54,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:54,194 INFO L225 Difference]: With dead ends: 41 [2020-09-21 11:31:54,194 INFO L226 Difference]: Without dead ends: 29 [2020-09-21 11:31:54,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:31:54,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-09-21 11:31:54,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-09-21 11:31:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-09-21 11:31:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-09-21 11:31:54,205 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 22 [2020-09-21 11:31:54,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:54,205 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-09-21 11:31:54,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:31:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-09-21 11:31:54,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 11:31:54,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:31:54,207 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:31:54,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:31:54,208 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:31:54,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:31:54,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1963595379, now seen corresponding path program 1 times [2020-09-21 11:31:54,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:31:54,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344867983] [2020-09-21 11:31:54,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:31:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:54,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 11:31:54,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -9 [2020-09-21 11:31:54,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 9 [2020-09-21 11:31:54,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:31:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:31:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:54,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:31:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:31:54,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:31:54,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:31:54,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:31:54,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:31:54,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:31:54,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:31:54,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:31:54,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:31:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:31:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:31:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:31:54,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:31:54,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:31:54,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344867983] [2020-09-21 11:31:54,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:31:54,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 11:31:54,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932106837] [2020-09-21 11:31:54,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:31:54,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:31:54,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:31:54,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:31:54,386 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 6 states. [2020-09-21 11:31:54,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:31:54,490 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2020-09-21 11:31:54,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:31:54,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-09-21 11:31:54,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:31:54,492 INFO L225 Difference]: With dead ends: 36 [2020-09-21 11:31:54,492 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:31:54,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:31:54,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:31:54,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:31:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:31:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:31:54,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-09-21 11:31:54,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:31:54,494 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:31:54,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:31:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:31:54,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:31:54,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:31:54,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:31:55,499 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2020-09-21 11:32:08,459 WARN L193 SmtUtils]: Spent 12.95 s on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2020-09-21 11:32:12,667 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-09-21 11:32:12,702 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:32:12,702 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__return_136~0 |old(~__return_136~0)|) (= |old(#valid)| |#valid|)) [2020-09-21 11:32:12,703 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:32:12,703 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:32:12,703 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 11:32:12,703 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:32:12,703 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:32:12,704 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-21 11:32:12,704 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-21 11:32:12,704 INFO L268 CegarLoopResult]: For program point L5-2(lines 4 6) no Hoare annotation was computed. [2020-09-21 11:32:12,704 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-21 11:32:12,704 INFO L268 CegarLoopResult]: For program point L60(lines 60 86) no Hoare annotation was computed. [2020-09-21 11:32:12,705 INFO L268 CegarLoopResult]: For program point L27(lines 27 150) no Hoare annotation was computed. [2020-09-21 11:32:12,705 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 166) no Hoare annotation was computed. [2020-09-21 11:32:12,705 INFO L264 CegarLoopResult]: At program point L85(lines 60 86) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (= main_~main____CPAchecker_TMP_0~1 1) (<= main_~main__index2~0 (+ .cse0 99998)) (<= (+ main_~main__index1~0 (* 4294967296 (div (+ main_~main__index2~0 (* (div (+ main_~main__index1~0 (- 1)) 4294967296) (- 4294967296)) 1) 4294967296))) (+ main_~main__index2~0 1)) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-09-21 11:32:12,705 INFO L268 CegarLoopResult]: For program point L19(lines 19 165) no Hoare annotation was computed. [2020-09-21 11:32:12,705 INFO L268 CegarLoopResult]: For program point L48(lines 48 136) no Hoare annotation was computed. [2020-09-21 11:32:12,706 INFO L264 CegarLoopResult]: At program point L77(lines 44 137) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-09-21 11:32:12,706 INFO L268 CegarLoopResult]: For program point L106(lines 106 118) no Hoare annotation was computed. [2020-09-21 11:32:12,706 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 11:32:12,706 INFO L268 CegarLoopResult]: For program point L69(lines 69 78) no Hoare annotation was computed. [2020-09-21 11:32:12,706 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-09-21 11:32:12,706 INFO L264 CegarLoopResult]: At program point L90(lines 58 91) the Hoare annotation is: false [2020-09-21 11:32:12,707 INFO L268 CegarLoopResult]: For program point L24(lines 24 155) no Hoare annotation was computed. [2020-09-21 11:32:12,707 INFO L264 CegarLoopResult]: At program point L144(lines 29 145) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-09-21 11:32:12,707 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2020-09-21 11:32:12,707 INFO L268 CegarLoopResult]: For program point L29(lines 29 145) no Hoare annotation was computed. [2020-09-21 11:32:12,707 INFO L268 CegarLoopResult]: For program point L58(lines 58 91) no Hoare annotation was computed. [2020-09-21 11:32:12,707 INFO L264 CegarLoopResult]: At program point L149(lines 27 150) the Hoare annotation is: false [2020-09-21 11:32:12,708 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 166) no Hoare annotation was computed. [2020-09-21 11:32:12,708 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-21 11:32:12,708 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-21 11:32:12,708 INFO L268 CegarLoopResult]: For program point L38(lines 38 137) no Hoare annotation was computed. [2020-09-21 11:32:12,708 INFO L271 CegarLoopResult]: At program point L129(lines 96 130) the Hoare annotation is: true [2020-09-21 11:32:12,708 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2020-09-21 11:32:12,709 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 12 166) the Hoare annotation is: (and (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |old(#valid)| |#valid|)) [2020-09-21 11:32:12,709 INFO L264 CegarLoopResult]: At program point L154(lines 24 155) the Hoare annotation is: (or (= main_~main__loop_entered~0 0) (and (let ((.cse24 (div main_~main__index1~0 4294967296)) (.cse25 (div main_~main__index2~0 4294967296))) (let ((.cse0 (* 4294967296 .cse25)) (.cse1 (* 4294967296 .cse24))) (or (<= (+ main_~main__index1~0 .cse0) (+ main_~main__index2~0 .cse1)) (let ((.cse20 (* main_~main__index2~0 4)) (.cse21 (* .cse25 (- 17179869184))) (.cse19 (select |#memory_int| |main_~#main__array~0.base|)) (.cse22 (* main_~main__index1~0 4)) (.cse23 (* .cse24 (- 17179869184)))) (let ((.cse16 (select .cse19 (+ .cse22 |main_~#main__array~0.offset| .cse23 (- 17179869184)))) (.cse7 (select .cse19 (+ .cse20 |main_~#main__array~0.offset| .cse21)))) (let ((.cse14 (select .cse19 (+ .cse22 |main_~#main__array~0.offset| .cse23))) (.cse13 (+ .cse1 2147483647)) (.cse15 (* 4294967296 (div .cse7 4294967296))) (.cse17 (+ .cse0 2147483647)) (.cse18 (select .cse19 (+ .cse20 |main_~#main__array~0.offset| .cse21 (- 17179869184)))) (.cse8 (* 4294967296 (div .cse16 4294967296)))) (let ((.cse3 (+ .cse18 .cse8)) (.cse2 (+ (* 4294967296 (div .cse18 4294967296)) .cse16)) (.cse4 (< .cse17 main_~main__index2~0)) (.cse5 (<= main_~main__index2~0 .cse17)) (.cse6 (+ .cse16 .cse15)) (.cse12 (< .cse13 main_~main__index1~0)) (.cse11 (* 4294967296 (div .cse14 4294967296))) (.cse10 (+ .cse14 .cse15)) (.cse9 (<= main_~main__index1~0 .cse13))) (and (or (and (<= .cse2 .cse3) .cse4) (and (or (and .cse5 (< .cse6 (+ .cse7 .cse8 1))) .cse9) (or (< .cse10 (+ .cse11 .cse7 1)) .cse12))) (or (and (or (and (<= .cse3 .cse2) .cse4) (and .cse5 (<= (+ .cse7 .cse8) .cse6))) .cse12) (and (<= (+ .cse11 .cse7) .cse10) .cse9)))))))))) (<= (+ main_~main__index1~0 (* 4294967296 (div (+ main_~main__index2~0 (* (div (+ main_~main__index1~0 (- 1)) 4294967296) (- 4294967296)) 1) 4294967296))) (+ main_~main__index2~0 1)))) [2020-09-21 11:32:12,709 INFO L268 CegarLoopResult]: For program point L55(lines 55 131) no Hoare annotation was computed. [2020-09-21 11:32:12,709 INFO L268 CegarLoopResult]: For program point L22(lines 22 160) no Hoare annotation was computed. [2020-09-21 11:32:12,710 INFO L264 CegarLoopResult]: At program point L117(lines 97 126) the Hoare annotation is: (let ((.cse24 (div main_~main__index1~0 4294967296)) (.cse25 (div main_~main__index2~0 4294967296))) (let ((.cse20 (* 4294967296 .cse25)) (.cse21 (* 4294967296 .cse24))) (or (let ((.cse18 (* main_~main__index2~0 4)) (.cse19 (* .cse25 (- 17179869184))) (.cse17 (select |#memory_int| |main_~#main__array~0.base|)) (.cse22 (* main_~main__index1~0 4)) (.cse23 (* .cse24 (- 17179869184)))) (let ((.cse14 (select .cse17 (+ .cse22 |main_~#main__array~0.offset| .cse23 (- 17179869184)))) (.cse5 (select .cse17 (+ .cse18 |main_~#main__array~0.offset| .cse19)))) (let ((.cse12 (select .cse17 (+ .cse22 |main_~#main__array~0.offset| .cse23))) (.cse11 (+ .cse21 2147483647)) (.cse13 (* 4294967296 (div .cse5 4294967296))) (.cse15 (+ .cse20 2147483647)) (.cse16 (select .cse17 (+ .cse18 |main_~#main__array~0.offset| .cse19 (- 17179869184)))) (.cse6 (* 4294967296 (div .cse14 4294967296)))) (let ((.cse1 (+ .cse16 .cse6)) (.cse0 (+ (* 4294967296 (div .cse16 4294967296)) .cse14)) (.cse2 (< .cse15 main_~main__index2~0)) (.cse3 (<= main_~main__index2~0 .cse15)) (.cse4 (+ .cse14 .cse13)) (.cse10 (< .cse11 main_~main__index1~0)) (.cse9 (* 4294967296 (div .cse12 4294967296))) (.cse8 (+ .cse12 .cse13)) (.cse7 (<= main_~main__index1~0 .cse11))) (and (or (and (<= .cse0 .cse1) .cse2) (and (or (and .cse3 (< .cse4 (+ .cse5 .cse6 1))) .cse7) (or (< .cse8 (+ .cse9 .cse5 1)) .cse10))) (or (and (or (and (<= .cse1 .cse0) .cse2) (and .cse3 (<= (+ .cse5 .cse6) .cse4))) .cse10) (and (<= (+ .cse9 .cse5) .cse8) .cse7)) (<= (+ main_~main__index1~0 (* 4294967296 (div (+ main_~main__index2~0 (* (div (+ main_~main__index1~0 (- 1)) 4294967296) (- 4294967296)) 1) 4294967296))) (+ main_~main__index2~0 1))))))) (<= (+ main_~main__index1~0 .cse20 1) (+ main_~main__index2~0 .cse21))))) [2020-09-21 11:32:12,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,759 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:32:12 BoogieIcfgContainer [2020-09-21 11:32:12,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:32:12,773 INFO L168 Benchmark]: Toolchain (without parser) took 36912.60 ms. Allocated memory was 138.9 MB in the beginning and 273.7 MB in the end (delta: 134.7 MB). Free memory was 102.5 MB in the beginning and 144.7 MB in the end (delta: -42.2 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:32:12,774 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:32:12,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.42 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 101.8 MB in the beginning and 180.2 MB in the end (delta: -78.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:32:12,776 INFO L168 Benchmark]: Boogie Preprocessor took 50.09 ms. Allocated memory is still 201.3 MB. Free memory was 180.2 MB in the beginning and 177.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:32:12,776 INFO L168 Benchmark]: RCFGBuilder took 472.19 ms. Allocated memory is still 201.3 MB. Free memory was 177.7 MB in the beginning and 158.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:32:12,777 INFO L168 Benchmark]: TraceAbstraction took 35893.11 ms. Allocated memory was 201.3 MB in the beginning and 273.7 MB in the end (delta: 72.4 MB). Free memory was 158.2 MB in the beginning and 144.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:32:12,781 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 485.42 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 101.8 MB in the beginning and 180.2 MB in the end (delta: -78.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.09 ms. Allocated memory is still 201.3 MB. Free memory was 180.2 MB in the beginning and 177.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 472.19 ms. Allocated memory is still 201.3 MB. Free memory was 177.7 MB in the beginning and 158.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35893.11 ms. Allocated memory was 201.3 MB in the beginning and 273.7 MB in the end (delta: 72.4 MB). Free memory was 158.2 MB in the beginning and 144.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 108]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 24]: Loop Invariant [2020-09-21 11:32:12,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: main__loop_entered == 0 || ((main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296) || (((4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) && 4294967296 * (main__index2 / 4294967296) + 2147483647 < main__index2) || (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + 1) || main__index1 <= 4294967296 * (main__index1 / 4294967296) + 2147483647) && (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 1 || 4294967296 * (main__index1 / 4294967296) + 2147483647 < main__index1))) && ((((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) <= 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] && 4294967296 * (main__index2 / 4294967296) + 2147483647 < main__index2) || (main__index2 <= 4294967296 * (main__index2 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296))) && 4294967296 * (main__index1 / 4294967296) + 2147483647 < main__index1) || (4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 2147483647)))) && main__index1 + 4294967296 * ((main__index2 + (main__index1 + -1) / 4294967296 * -4294967296 + 1) / 4294967296) <= main__index2 + 1) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant [2020-09-21 11:32:12,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 11:32:12,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) && 4294967296 * (main__index2 / 4294967296) + 2147483647 < main__index2) || (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + 1) || main__index1 <= 4294967296 * (main__index1 / 4294967296) + 2147483647) && (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 1 || 4294967296 * (main__index1 / 4294967296) + 2147483647 < main__index1))) && ((((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) <= 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184 + -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] && 4294967296 * (main__index2 / 4294967296) + 2147483647 < main__index2) || (main__index2 <= 4294967296 * (main__index2 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184 + -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296))) && 4294967296 * (main__index1 / 4294967296) + 2147483647 < main__index1) || (4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 2147483647))) && main__index1 + 4294967296 * ((main__index2 + (main__index1 + -1) / 4294967296 * -4294967296 + 1) / 4294967296) <= main__index2 + 1) || main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((main____CPAchecker_TMP_0 == 1 && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99998) && main__index1 + 4294967296 * ((main__index2 + (main__index1 + -1) / 4294967296 * -4294967296 + 1) / 4294967296) <= main__index2 + 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && main__loop_entered == 0) && 1 <= main____CPAchecker_TMP_0) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 40 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.5s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 257 SDtfs, 209 SDslu, 292 SDs, 0 SdLazy, 545 SolverSat, 25 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 63 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 22 NumberOfFragments, 1218 HoareAnnotationTreeSize, 12 FomulaSimplifications, 426 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 3251 FormulaSimplificationTreeSizeReductionInter, 18.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 51084 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 6/8 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...