/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 enumeration-timeout=1000 --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/float-benchs/cast_float_union.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:20:00,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:20:00,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:20:00,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:20:00,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:20:00,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:20:00,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:20:00,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:20:00,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:20:00,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:20:00,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:20:00,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:20:00,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:20:00,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:20:00,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:20:00,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:20:00,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:20:00,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:20:00,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:20:00,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:20:00,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:20:00,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:20:00,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:20:00,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:20:00,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:20:00,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:20:00,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:20:00,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:20:00,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:20:00,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:20:00,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:20:00,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:20:00,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:20:00,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:20:00,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:20:00,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:20:00,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:20:00,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:20:00,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:20:00,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:20:00,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:20:00,389 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 12:20:00,422 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:20:00,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:20:00,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:20:00,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:20:00,424 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:20:00,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:20:00,425 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:20:00,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:20:00,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:20:00,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:20:00,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:20:00,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:20:00,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:20:00,426 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:20:00,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:20:00,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:20:00,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:20:00,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:20:00,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:20:00,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:20:00,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:20:00,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:20:00,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:20:00,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:20:00,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:20:00,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:20:00,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:20:00,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:20:00,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:20:00,429 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;enumeration-timeout=1000;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=1000;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=1000;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=1000;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:20:00,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:20:00,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:20:00,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:20:00,934 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:20:00,935 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:20:00,937 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-09-21 12:20:01,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10277fe20/72bbefe9f43d4d46981cb18cf7f05667/FLAGd1bbee282 [2020-09-21 12:20:01,591 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:20:01,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-09-21 12:20:01,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10277fe20/72bbefe9f43d4d46981cb18cf7f05667/FLAGd1bbee282 [2020-09-21 12:20:01,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10277fe20/72bbefe9f43d4d46981cb18cf7f05667 [2020-09-21 12:20:01,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:20:01,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:20:01,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:20:01,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:20:02,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:20:02,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:20:01" (1/1) ... [2020-09-21 12:20:02,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acd657e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02, skipping insertion in model container [2020-09-21 12:20:02,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:20:01" (1/1) ... [2020-09-21 12:20:02,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:20:02,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:20:02,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:20:02,317 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:20:02,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:20:02,369 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:20:02,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02 WrapperNode [2020-09-21 12:20:02,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:20:02,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:20:02,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:20:02,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:20:02,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02" (1/1) ... [2020-09-21 12:20:02,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02" (1/1) ... [2020-09-21 12:20:02,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02" (1/1) ... [2020-09-21 12:20:02,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02" (1/1) ... [2020-09-21 12:20:02,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02" (1/1) ... [2020-09-21 12:20:02,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02" (1/1) ... [2020-09-21 12:20:02,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02" (1/1) ... [2020-09-21 12:20:02,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:20:02,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:20:02,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:20:02,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:20:02,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02" (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 12:20:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:20:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:20:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:20:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 12:20:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-09-21 12:20:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:20:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:20:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-09-21 12:20:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:20:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:20:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 12:20:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-09-21 12:20:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:20:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-21 12:20:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:20:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:20:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:20:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-21 12:20:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:20:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:20:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:20:02,860 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:20:02,860 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 12:20:02,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:20:02 BoogieIcfgContainer [2020-09-21 12:20:02,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:20:02,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:20:02,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:20:02,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:20:02,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:20:01" (1/3) ... [2020-09-21 12:20:02,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6184018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:20:02, skipping insertion in model container [2020-09-21 12:20:02,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:20:02" (2/3) ... [2020-09-21 12:20:02,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6184018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:20:02, skipping insertion in model container [2020-09-21 12:20:02,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:20:02" (3/3) ... [2020-09-21 12:20:02,879 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2020-09-21 12:20:02,894 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:20:02,907 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:20:02,933 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:20:02,968 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:20:02,968 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:20:02,968 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:20:02,968 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:20:02,969 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:20:02,969 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:20:02,969 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:20:02,969 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:20:02,994 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-09-21 12:20:03,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:20:03,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 19 states. [2020-09-21 12:20:03,092 INFO L268 CegarLoopResult]: For program point castEXIT(lines 24 48) no Hoare annotation was computed. [2020-09-21 12:20:03,092 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 12:20:03,093 INFO L268 CegarLoopResult]: For program point castFINAL(lines 24 48) no Hoare annotation was computed. [2020-09-21 12:20:03,093 INFO L271 CegarLoopResult]: At program point castENTRY(lines 24 48) the Hoare annotation is: true [2020-09-21 12:20:03,093 INFO L268 CegarLoopResult]: For program point L40(lines 40 46) no Hoare annotation was computed. [2020-09-21 12:20:03,093 INFO L268 CegarLoopResult]: For program point L40-2(lines 36 46) no Hoare annotation was computed. [2020-09-21 12:20:03,093 INFO L268 CegarLoopResult]: For program point L36(lines 36 46) no Hoare annotation was computed. [2020-09-21 12:20:03,094 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:20:03,094 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:20:03,094 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:20:03,094 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:20:03,094 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 12:20:03,094 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:20:03,095 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:20:03,095 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 8 10) no Hoare annotation was computed. [2020-09-21 12:20:03,095 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-09-21 12:20:03,095 INFO L268 CegarLoopResult]: For program point L9-2(lines 8 10) no Hoare annotation was computed. [2020-09-21 12:20:03,095 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2020-09-21 12:20:03,096 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 50 58) the Hoare annotation is: true [2020-09-21 12:20:03,096 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 50 58) no Hoare annotation was computed. [2020-09-21 12:20:03,096 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 50 58) no Hoare annotation was computed. [2020-09-21 12:20:03,096 INFO L271 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: true [2020-09-21 12:20:03,096 INFO L268 CegarLoopResult]: For program point L56-1(line 56) no Hoare annotation was computed. [2020-09-21 12:20:03,097 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertENTRY(line 11) no Hoare annotation was computed. [2020-09-21 12:20:03,097 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-21 12:20:03,097 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-09-21 12:20:03,097 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 11) no Hoare annotation was computed. [2020-09-21 12:20:03,097 INFO L268 CegarLoopResult]: For program point L11-3(line 11) no Hoare annotation was computed. [2020-09-21 12:20:03,098 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2020-09-21 12:20:03,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:20:03 BoogieIcfgContainer [2020-09-21 12:20:03,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:20:03,109 INFO L168 Benchmark]: Toolchain (without parser) took 1118.95 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.3 MB in the beginning and 151.1 MB in the end (delta: -49.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:20:03,111 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:20:03,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.85 ms. Allocated memory is still 139.5 MB. Free memory was 100.6 MB in the beginning and 90.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:20:03,113 INFO L168 Benchmark]: Boogie Preprocessor took 130.22 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 90.0 MB in the beginning and 179.1 MB in the end (delta: -89.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:20:03,114 INFO L168 Benchmark]: RCFGBuilder took 365.44 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 162.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:20:03,115 INFO L168 Benchmark]: TraceAbstraction took 237.86 ms. Allocated memory is still 201.9 MB. Free memory was 161.7 MB in the beginning and 151.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:20:03,119 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 372.85 ms. Allocated memory is still 139.5 MB. Free memory was 100.6 MB in the beginning and 90.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.22 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 90.0 MB in the beginning and 179.1 MB in the end (delta: -89.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.44 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 162.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237.86 ms. Allocated memory is still 201.9 MB. Free memory was 161.7 MB in the beginning and 151.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 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...