/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_float_union.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 03:47:38,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 03:47:38,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 03:47:38,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 03:47:38,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 03:47:38,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 03:47:38,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 03:47:38,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 03:47:38,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 03:47:38,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 03:47:38,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 03:47:38,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 03:47:38,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 03:47:38,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 03:47:38,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 03:47:38,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 03:47:38,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 03:47:38,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 03:47:38,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 03:47:38,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 03:47:38,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 03:47:38,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 03:47:38,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 03:47:38,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 03:47:38,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 03:47:38,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 03:47:38,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 03:47:38,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 03:47:38,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 03:47:38,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 03:47:38,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 03:47:38,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 03:47:38,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 03:47:38,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 03:47:38,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 03:47:38,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 03:47:38,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 03:47:38,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 03:47:38,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 03:47:38,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 03:47:38,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 03:47:38,260 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 [2020-08-22 03:47:38,301 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 03:47:38,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 03:47:38,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 03:47:38,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 03:47:38,304 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 03:47:38,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 03:47:38,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 03:47:38,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 03:47:38,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 03:47:38,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 03:47:38,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 03:47:38,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 03:47:38,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 03:47:38,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 03:47:38,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 03:47:38,307 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 03:47:38,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 03:47:38,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 03:47:38,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 03:47:38,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 03:47:38,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 03:47:38,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 03:47:38,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 03:47:38,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 03:47:38,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 03:47:38,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 03:47:38,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 03:47:38,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 03:47:38,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 03:47:38,311 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 -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-08-22 03:47:38,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 03:47:38,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 03:47:38,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 03:47:38,646 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 03:47:38,646 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 03:47:38,647 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-08-22 03:47:38,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b20db0cf/51c083b54f9b4689a6d98719652ef5ff/FLAG963825b34 [2020-08-22 03:47:39,161 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 03:47:39,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-08-22 03:47:39,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b20db0cf/51c083b54f9b4689a6d98719652ef5ff/FLAG963825b34 [2020-08-22 03:47:39,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b20db0cf/51c083b54f9b4689a6d98719652ef5ff [2020-08-22 03:47:39,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 03:47:39,546 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 03:47:39,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 03:47:39,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 03:47:39,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 03:47:39,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:47:39" (1/1) ... [2020-08-22 03:47:39,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ae916c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39, skipping insertion in model container [2020-08-22 03:47:39,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 03:47:39" (1/1) ... [2020-08-22 03:47:39,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 03:47:39,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 03:47:39,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:47:39,867 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 03:47:39,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 03:47:39,935 INFO L208 MainTranslator]: Completed translation [2020-08-22 03:47:39,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39 WrapperNode [2020-08-22 03:47:39,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 03:47:39,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 03:47:39,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 03:47:39,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 03:47:40,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39" (1/1) ... [2020-08-22 03:47:40,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39" (1/1) ... [2020-08-22 03:47:40,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39" (1/1) ... [2020-08-22 03:47:40,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39" (1/1) ... [2020-08-22 03:47:40,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39" (1/1) ... [2020-08-22 03:47:40,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39" (1/1) ... [2020-08-22 03:47:40,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39" (1/1) ... [2020-08-22 03:47:40,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 03:47:40,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 03:47:40,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 03:47:40,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 03:47:40,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39" (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 [2020-08-22 03:47:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 03:47:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 03:47:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 03:47:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 03:47:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-08-22 03:47:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 03:47:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 03:47:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-08-22 03:47:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 03:47:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 03:47:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 03:47:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-08-22 03:47:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 03:47:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-08-22 03:47:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 03:47:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 03:47:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 03:47:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-08-22 03:47:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 03:47:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 03:47:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 03:47:40,478 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 03:47:40,479 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 03:47:40,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:47:40 BoogieIcfgContainer [2020-08-22 03:47:40,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 03:47:40,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 03:47:40,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 03:47:40,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 03:47:40,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 03:47:39" (1/3) ... [2020-08-22 03:47:40,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed1fb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:47:40, skipping insertion in model container [2020-08-22 03:47:40,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 03:47:39" (2/3) ... [2020-08-22 03:47:40,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed1fb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 03:47:40, skipping insertion in model container [2020-08-22 03:47:40,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 03:47:40" (3/3) ... [2020-08-22 03:47:40,491 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2020-08-22 03:47:40,503 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 03:47:40,512 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 03:47:40,528 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 03:47:40,561 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 03:47:40,561 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 03:47:40,561 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 03:47:40,561 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 03:47:40,561 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 03:47:40,562 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 03:47:40,562 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 03:47:40,562 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 03:47:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-08-22 03:47:40,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 03:47:40,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 19 states. [2020-08-22 03:47:40,677 INFO L268 CegarLoopResult]: For program point castEXIT(lines 24 48) no Hoare annotation was computed. [2020-08-22 03:47:40,677 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 03:47:40,677 INFO L268 CegarLoopResult]: For program point castFINAL(lines 24 48) no Hoare annotation was computed. [2020-08-22 03:47:40,678 INFO L271 CegarLoopResult]: At program point castENTRY(lines 24 48) the Hoare annotation is: true [2020-08-22 03:47:40,678 INFO L268 CegarLoopResult]: For program point L40(lines 40 46) no Hoare annotation was computed. [2020-08-22 03:47:40,678 INFO L268 CegarLoopResult]: For program point L40-2(lines 36 46) no Hoare annotation was computed. [2020-08-22 03:47:40,678 INFO L268 CegarLoopResult]: For program point L36(lines 36 46) no Hoare annotation was computed. [2020-08-22 03:47:40,679 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:47:40,679 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-08-22 03:47:40,679 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:47:40,679 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 03:47:40,679 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 03:47:40,680 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 03:47:40,680 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 03:47:40,680 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 8 10) no Hoare annotation was computed. [2020-08-22 03:47:40,680 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-08-22 03:47:40,680 INFO L268 CegarLoopResult]: For program point L9-2(lines 8 10) no Hoare annotation was computed. [2020-08-22 03:47:40,680 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2020-08-22 03:47:40,681 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 50 58) the Hoare annotation is: true [2020-08-22 03:47:40,681 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 50 58) no Hoare annotation was computed. [2020-08-22 03:47:40,681 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 50 58) no Hoare annotation was computed. [2020-08-22 03:47:40,681 INFO L271 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: true [2020-08-22 03:47:40,681 INFO L268 CegarLoopResult]: For program point L56-1(line 56) no Hoare annotation was computed. [2020-08-22 03:47:40,681 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertENTRY(line 11) no Hoare annotation was computed. [2020-08-22 03:47:40,682 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-08-22 03:47:40,682 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-08-22 03:47:40,682 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 11) no Hoare annotation was computed. [2020-08-22 03:47:40,684 INFO L268 CegarLoopResult]: For program point L11-3(line 11) no Hoare annotation was computed. [2020-08-22 03:47:40,684 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2020-08-22 03:47:40,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 03:47:40 BoogieIcfgContainer [2020-08-22 03:47:40,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 03:47:40,696 INFO L168 Benchmark]: Toolchain (without parser) took 1147.89 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 102.0 MB in the beginning and 155.0 MB in the end (delta: -53.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-08-22 03:47:40,697 INFO L168 Benchmark]: CDTParser took 0.16 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 03:47:40,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.53 ms. Allocated memory is still 138.9 MB. Free memory was 101.8 MB in the beginning and 91.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-08-22 03:47:40,700 INFO L168 Benchmark]: Boogie Preprocessor took 218.12 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 91.0 MB in the beginning and 183.2 MB in the end (delta: -92.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-08-22 03:47:40,701 INFO L168 Benchmark]: RCFGBuilder took 327.66 ms. Allocated memory is still 206.0 MB. Free memory was 183.2 MB in the beginning and 166.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2020-08-22 03:47:40,702 INFO L168 Benchmark]: TraceAbstraction took 208.47 ms. Allocated memory is still 206.0 MB. Free memory was 165.4 MB in the beginning and 155.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-08-22 03:47:40,708 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 388.53 ms. Allocated memory is still 138.9 MB. Free memory was 101.8 MB in the beginning and 91.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 218.12 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 91.0 MB in the beginning and 183.2 MB in the end (delta: -92.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 327.66 ms. Allocated memory is still 206.0 MB. Free memory was 183.2 MB in the beginning and 166.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 208.47 ms. Allocated memory is still 206.0 MB. Free memory was 165.4 MB in the beginning and 155.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 11]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...