/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/heavy-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:29:13,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:29:13,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:29:13,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:29:13,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:29:13,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:29:13,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:29:13,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:29:13,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:29:13,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:29:13,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:29:13,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:29:13,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:29:13,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:29:13,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:29:13,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:29:13,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:29:13,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:29:13,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:29:13,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:29:13,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:29:13,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:29:13,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:29:13,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:29:13,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:29:13,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:29:13,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:29:13,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:29:13,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:29:13,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:29:13,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:29:13,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:29:13,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:29:13,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:29:13,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:29:13,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:29:13,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:29:13,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:29:13,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:29:13,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:29:13,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:29:13,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 18:29:13,271 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:29:13,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:29:13,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:29:13,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:29:13,274 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:29:13,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:29:13,275 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:29:13,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:29:13,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:29:13,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:29:13,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:29:13,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:29:13,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:29:13,278 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:29:13,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:29:13,278 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:29:13,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:29:13,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:29:13,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:29:13,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:29:13,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:29:13,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:29:13,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:29:13,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:29:13,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:29:13,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:29:13,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:29:13,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:29:13,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:29:13,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 18:29:13,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:29:13,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:29:13,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:29:13,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:29:13,774 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:29:13,775 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/heavy-2.c [2020-09-24 18:29:13,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1be51abd/ca69c44f111d4d85bce7dbb944449a5a/FLAG139c54a14 [2020-09-24 18:29:14,461 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:29:14,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/heavy-2.c [2020-09-24 18:29:14,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1be51abd/ca69c44f111d4d85bce7dbb944449a5a/FLAG139c54a14 [2020-09-24 18:29:14,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1be51abd/ca69c44f111d4d85bce7dbb944449a5a [2020-09-24 18:29:14,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:29:14,813 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:29:14,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:29:14,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:29:14,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:29:14,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:29:14" (1/1) ... [2020-09-24 18:29:14,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4076c4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:14, skipping insertion in model container [2020-09-24 18:29:14,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:29:14" (1/1) ... [2020-09-24 18:29:14,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:29:14,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:29:15,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:29:15,137 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:29:15,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:29:15,222 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:29:15,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:15 WrapperNode [2020-09-24 18:29:15,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:29:15,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:29:15,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:29:15,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:29:15,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:15" (1/1) ... [2020-09-24 18:29:15,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:15" (1/1) ... [2020-09-24 18:29:15,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:15" (1/1) ... [2020-09-24 18:29:15,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:15" (1/1) ... [2020-09-24 18:29:15,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:15" (1/1) ... [2020-09-24 18:29:15,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:15" (1/1) ... [2020-09-24 18:29:15,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:15" (1/1) ... [2020-09-24 18:29:15,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:29:15,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:29:15,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:29:15,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:29:15,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:29:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:29:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:29:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:29:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:29:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:29:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:29:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:29:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:29:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:29:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-24 18:29:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:29:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:29:15,740 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:29:15,740 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-24 18:29:15,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:29:15 BoogieIcfgContainer [2020-09-24 18:29:15,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:29:15,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:29:15,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:29:15,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:29:15,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:29:14" (1/3) ... [2020-09-24 18:29:15,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2135cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:29:15, skipping insertion in model container [2020-09-24 18:29:15,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:15" (2/3) ... [2020-09-24 18:29:15,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2135cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:29:15, skipping insertion in model container [2020-09-24 18:29:15,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:29:15" (3/3) ... [2020-09-24 18:29:15,759 INFO L109 eAbstractionObserver]: Analyzing ICFG heavy-2.c [2020-09-24 18:29:15,777 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:29:15,800 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:29:15,846 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:29:15,876 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:29:15,877 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:29:15,877 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:29:15,877 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:29:15,877 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:29:15,877 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:29:15,877 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:29:15,877 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:29:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-09-24 18:29:15,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-09-24 18:29:15,906 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:15,907 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] [2020-09-24 18:29:15,907 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:15,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:15,914 INFO L82 PathProgramCache]: Analyzing trace with hash 245897808, now seen corresponding path program 1 times [2020-09-24 18:29:15,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:15,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271617329] [2020-09-24 18:29:15,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:16,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:16,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:16,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:16,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 18:29:16,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:29:16,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-09-24 18:29:16,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:16,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:16,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 18:29:16,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:16,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 18:29:16,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:29:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:16,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:16,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:16,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:29:16,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:16,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 18:29:16,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:16,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:16,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:29:16,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:16,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:29:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:29:16,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271617329] [2020-09-24 18:29:16,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:29:16,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 18:29:16,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331506724] [2020-09-24 18:29:16,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 18:29:16,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:29:16,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 18:29:16,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 18:29:16,495 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 3 states. [2020-09-24 18:29:16,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:29:16,646 INFO L93 Difference]: Finished difference Result 98 states and 117 transitions. [2020-09-24 18:29:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 18:29:16,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-09-24 18:29:16,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:29:16,662 INFO L225 Difference]: With dead ends: 98 [2020-09-24 18:29:16,662 INFO L226 Difference]: Without dead ends: 56 [2020-09-24 18:29:16,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 18:29:16,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-24 18:29:16,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 39. [2020-09-24 18:29:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-24 18:29:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2020-09-24 18:29:16,717 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 20 [2020-09-24 18:29:16,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:29:16,718 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2020-09-24 18:29:16,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 18:29:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-09-24 18:29:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-09-24 18:29:16,719 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:16,719 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] [2020-09-24 18:29:16,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:29:16,720 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:16,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:16,720 INFO L82 PathProgramCache]: Analyzing trace with hash 245856485, now seen corresponding path program 1 times [2020-09-24 18:29:16,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:16,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978101233] [2020-09-24 18:29:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:16,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:16,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:16,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:16,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 18:29:16,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:29:16,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-09-24 18:29:16,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:29:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 18:29:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 18:29:16,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:29:17,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:29:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:17,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:17,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:17,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:29:17,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:17,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 18:29:17,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:17,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:29:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:29:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:29:17,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978101233] [2020-09-24 18:29:17,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:29:17,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 18:29:17,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958848806] [2020-09-24 18:29:17,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 18:29:17,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:29:17,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 18:29:17,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 18:29:17,193 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 4 states. [2020-09-24 18:29:17,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:29:17,347 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2020-09-24 18:29:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 18:29:17,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-09-24 18:29:17,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:29:17,349 INFO L225 Difference]: With dead ends: 54 [2020-09-24 18:29:17,349 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 18:29:17,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 18:29:17,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 18:29:17,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 18:29:17,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 18:29:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 18:29:17,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-09-24 18:29:17,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:29:17,353 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 18:29:17,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 18:29:17,353 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 18:29:17,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 18:29:17,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:29:17,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 18:29:17,463 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 18:29:17,463 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 18:29:17,463 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 7) no Hoare annotation was computed. [2020-09-24 18:29:17,464 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#array~0.base| |old(~#array~0.base)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |~#array~0.offset| |old(~#array~0.offset)|)) [2020-09-24 18:29:17,464 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-09-24 18:29:17,464 INFO L268 CegarLoopResult]: For program point L7-1(line 7) no Hoare annotation was computed. [2020-09-24 18:29:17,464 INFO L268 CegarLoopResult]: For program point L7-2(line 7) no Hoare annotation was computed. [2020-09-24 18:29:17,464 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:29:17,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:29:17,465 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 18:29:17,465 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 18:29:17,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 18:29:17,465 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 5 21) no Hoare annotation was computed. [2020-09-24 18:29:17,465 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 18:29:17,466 INFO L268 CegarLoopResult]: For program point L11-3(lines 11 13) no Hoare annotation was computed. [2020-09-24 18:29:17,466 INFO L268 CegarLoopResult]: For program point L11-4(line 11) no Hoare annotation was computed. [2020-09-24 18:29:17,466 INFO L268 CegarLoopResult]: For program point L11-5(line 11) no Hoare annotation was computed. [2020-09-24 18:29:17,466 INFO L264 CegarLoopResult]: At program point L11-6(lines 11 13) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~a~0 4294967296)))) (and (<= main_~a~0 (+ .cse0 1)) (< .cse0 main_~a~0) (<= main_~a~0 1))) [2020-09-24 18:29:17,466 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-24 18:29:17,467 INFO L264 CegarLoopResult]: At program point L16(lines 6 21) the Hoare annotation is: false [2020-09-24 18:29:17,467 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-24 18:29:17,467 INFO L268 CegarLoopResult]: For program point L12-3(lines 12 13) no Hoare annotation was computed. [2020-09-24 18:29:17,467 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-09-24 18:29:17,467 INFO L268 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-09-24 18:29:17,467 INFO L268 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2020-09-24 18:29:17,467 INFO L268 CegarLoopResult]: For program point L12-5(line 12) no Hoare annotation was computed. [2020-09-24 18:29:17,468 INFO L268 CegarLoopResult]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-09-24 18:29:17,468 INFO L264 CegarLoopResult]: At program point L12-6(lines 12 13) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~a~0 4294967296)))) (and (<= main_~a~0 (+ .cse0 1)) (< .cse0 main_~a~0) (<= main_~a~0 1))) [2020-09-24 18:29:17,468 INFO L268 CegarLoopResult]: For program point L8-3(line 8) no Hoare annotation was computed. [2020-09-24 18:29:17,468 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-09-24 18:29:17,468 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 5 21) no Hoare annotation was computed. [2020-09-24 18:29:17,469 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-09-24 18:29:17,469 INFO L268 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed. [2020-09-24 18:29:17,469 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-09-24 18:29:17,469 INFO L268 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed. [2020-09-24 18:29:17,469 INFO L268 CegarLoopResult]: For program point L5(lines 5 21) no Hoare annotation was computed. [2020-09-24 18:29:17,469 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2020-09-24 18:29:17,470 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 5 21) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-09-24 18:29:17,470 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-24 18:29:17,470 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-09-24 18:29:17,470 INFO L268 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed. [2020-09-24 18:29:17,470 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-24 18:29:17,470 INFO L268 CegarLoopResult]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2020-09-24 18:29:17,471 INFO L268 CegarLoopResult]: For program point L10-4(line 10) no Hoare annotation was computed. [2020-09-24 18:29:17,471 INFO L268 CegarLoopResult]: For program point L10-5(line 10) no Hoare annotation was computed. [2020-09-24 18:29:17,471 INFO L264 CegarLoopResult]: At program point L10-6(lines 10 13) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~a~0 4294967296)))) (and (<= main_~a~0 (+ .cse0 1)) (< .cse0 main_~a~0) (<= main_~a~0 1))) [2020-09-24 18:29:17,471 INFO L268 CegarLoopResult]: For program point L10-7(lines 6 21) no Hoare annotation was computed. [2020-09-24 18:29:17,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:29:17 BoogieIcfgContainer [2020-09-24 18:29:17,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:29:17,498 INFO L168 Benchmark]: Toolchain (without parser) took 2687.28 ms. Allocated memory was 140.0 MB in the beginning and 236.5 MB in the end (delta: 96.5 MB). Free memory was 102.0 MB in the beginning and 183.1 MB in the end (delta: -81.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:17,499 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:29:17,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.81 ms. Allocated memory is still 140.0 MB. Free memory was 101.3 MB in the beginning and 64.9 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:17,501 INFO L168 Benchmark]: Boogie Preprocessor took 126.93 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 64.9 MB in the beginning and 179.5 MB in the end (delta: -114.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:17,502 INFO L168 Benchmark]: RCFGBuilder took 396.38 ms. Allocated memory is still 202.4 MB. Free memory was 179.5 MB in the beginning and 163.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:17,504 INFO L168 Benchmark]: TraceAbstraction took 1745.14 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 162.5 MB in the beginning and 184.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:17,508 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 409.81 ms. Allocated memory is still 140.0 MB. Free memory was 101.3 MB in the beginning and 64.9 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.93 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 64.9 MB in the beginning and 179.5 MB in the end (delta: -114.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 396.38 ms. Allocated memory is still 202.4 MB. Free memory was 179.5 MB in the beginning and 163.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1745.14 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 162.5 MB in the beginning and 184.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: (a <= 4294967296 * (a / 4294967296) + 1 && 4294967296 * (a / 4294967296) < a) && a <= 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (a <= 4294967296 * (a / 4294967296) + 1 && 4294967296 * (a / 4294967296) < a) && a <= 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (a <= 4294967296 * (a / 4294967296) + 1 && 4294967296 * (a / 4294967296) < a) && a <= 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 89 SDslu, 17 SDs, 0 SdLazy, 71 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 2 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 88 HoareAnnotationTreeSize, 8 FomulaSimplifications, 126 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 19 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 3686 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...