/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-regression/test_cut_trace.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:19:59,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:19:59,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:19:59,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:19:59,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:19:59,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:19:59,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:19:59,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:19:59,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:19:59,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:19:59,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:19:59,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:19:59,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:19:59,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:19:59,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:19:59,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:19:59,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:19:59,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:19:59,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:19:59,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:19:59,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:19:59,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:19:59,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:19:59,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:19:59,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:19:59,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:19:59,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:19:59,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:19:59,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:19:59,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:19:59,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:19:59,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:19:59,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:19:59,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:19:59,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:19:59,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:19:59,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:19:59,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:19:59,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:19:59,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:19:59,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:19:59,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 09:19:59,413 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:19:59,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:19:59,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:19:59,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:19:59,420 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:19:59,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:19:59,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:19:59,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:19:59,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:19:59,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:19:59,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:19:59,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:19:59,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:19:59,423 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:19:59,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:19:59,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:19:59,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:19:59,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:19:59,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:19:59,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:19:59,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:19:59,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:19:59,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:19:59,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:19:59,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:19:59,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:19:59,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:19:59,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:19:59,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:19:59,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:19:59,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:19:59,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:19:59,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:19:59,899 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:19:59,900 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:19:59,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_cut_trace.i [2020-10-29 09:19:59,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba03b376d/1718db5a972444a9aa24d87c0ed4e624/FLAGd37ba7965 [2020-10-29 09:20:00,757 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:20:00,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test_cut_trace.i [2020-10-29 09:20:00,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba03b376d/1718db5a972444a9aa24d87c0ed4e624/FLAGd37ba7965 [2020-10-29 09:20:01,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba03b376d/1718db5a972444a9aa24d87c0ed4e624 [2020-10-29 09:20:01,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:20:01,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:20:01,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:20:01,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:20:01,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:20:01,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:20:01" (1/1) ... [2020-10-29 09:20:01,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0e8163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01, skipping insertion in model container [2020-10-29 09:20:01,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:20:01" (1/1) ... [2020-10-29 09:20:01,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:20:01,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:20:01,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:20:01,336 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:20:01,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:20:01,372 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:20:01,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01 WrapperNode [2020-10-29 09:20:01,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:20:01,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:20:01,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:20:01,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:20:01,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01" (1/1) ... [2020-10-29 09:20:01,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01" (1/1) ... [2020-10-29 09:20:01,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01" (1/1) ... [2020-10-29 09:20:01,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01" (1/1) ... [2020-10-29 09:20:01,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01" (1/1) ... [2020-10-29 09:20:01,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01" (1/1) ... [2020-10-29 09:20:01,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01" (1/1) ... [2020-10-29 09:20:01,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:20:01,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:20:01,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:20:01,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:20:01,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:20:01,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:20:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:20:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:20:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-29 09:20:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:20:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:20:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:20:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:20:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:20:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-29 09:20:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:20:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:20:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:20:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:20:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:20:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:20:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:20:01,956 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:20:01,956 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 09:20:01,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:20:01 BoogieIcfgContainer [2020-10-29 09:20:01,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:20:01,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:20:01,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:20:01,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:20:01,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:20:01" (1/3) ... [2020-10-29 09:20:01,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83c3797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:20:01, skipping insertion in model container [2020-10-29 09:20:01,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:20:01" (2/3) ... [2020-10-29 09:20:01,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83c3797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:20:01, skipping insertion in model container [2020-10-29 09:20:01,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:20:01" (3/3) ... [2020-10-29 09:20:01,971 INFO L111 eAbstractionObserver]: Analyzing ICFG test_cut_trace.i [2020-10-29 09:20:01,986 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:20:01,991 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:20:02,007 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:20:02,051 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:20:02,052 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:20:02,052 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:20:02,052 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:20:02,052 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:20:02,052 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:20:02,052 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:20:02,053 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:20:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-10-29 09:20:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-29 09:20:02,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:20:02,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:20:02,090 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:20:02,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:20:02,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1540721153, now seen corresponding path program 1 times [2020-10-29 09:20:02,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:20:02,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1504332558] [2020-10-29 09:20:02,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:20:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:02,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:02,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:02,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 09:20:02,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:02,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-29 09:20:02,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:02,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:02,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:20:02,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:20:02,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 09:20:02,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 09:20:02,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:20:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:02,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:02,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:02,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:02,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 09:20:02,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:02,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:02,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:20:02,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1504332558] [2020-10-29 09:20:02,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:20:02,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 09:20:02,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769725944] [2020-10-29 09:20:02,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 09:20:02,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:20:02,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 09:20:02,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:20:02,703 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2020-10-29 09:20:02,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:20:02,810 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2020-10-29 09:20:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 09:20:02,812 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-29 09:20:02,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:20:02,819 INFO L225 Difference]: With dead ends: 35 [2020-10-29 09:20:02,820 INFO L226 Difference]: Without dead ends: 13 [2020-10-29 09:20:02,823 INFO L677 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 [2020-10-29 09:20:02,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-29 09:20:02,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-29 09:20:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-29 09:20:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-10-29 09:20:02,866 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 10 [2020-10-29 09:20:02,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:20:02,867 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-10-29 09:20:02,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 09:20:02,867 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-10-29 09:20:02,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-29 09:20:02,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:20:02,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:20:02,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:20:02,869 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:20:02,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:20:02,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1202836224, now seen corresponding path program 1 times [2020-10-29 09:20:02,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:20:02,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332156402] [2020-10-29 09:20:02,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:20:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:02,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:02,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:02,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:02,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 09:20:02,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:20:02,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-29 09:20:02,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:02,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:02,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:20:02,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:20:02,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 09:20:02,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:03,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:20:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:20:03,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:20:03,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:20:03,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:20:03,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:20:03,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 09:20:03,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:20:03,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:20:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:20:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:20:03,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:20:03,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:20:03,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:20:03,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332156402] [2020-10-29 09:20:03,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:20:03,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 09:20:03,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902556915] [2020-10-29 09:20:03,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 09:20:03,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:20:03,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 09:20:03,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 09:20:03,109 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 5 states. [2020-10-29 09:20:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:20:03,209 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-10-29 09:20:03,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 09:20:03,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-29 09:20:03,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:20:03,210 INFO L225 Difference]: With dead ends: 13 [2020-10-29 09:20:03,210 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 09:20:03,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 09:20:03,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 09:20:03,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 09:20:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 09:20:03,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 09:20:03,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-10-29 09:20:03,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:20:03,213 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 09:20:03,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 09:20:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 09:20:03,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 09:20:03,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:20:03,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 09:20:03,336 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 09:20:03,337 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 09:20:03,337 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 09:20:03,337 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 09:20:03,337 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:20:03,338 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:20:03,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:20:03,338 INFO L274 CegarLoopResult]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2020-10-29 09:20:03,338 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-29 09:20:03,339 INFO L274 CegarLoopResult]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2020-10-29 09:20:03,339 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2020-10-29 09:20:03,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:20:03,339 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 09:20:03,339 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 09:20:03,340 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:20:03,340 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 15 22) the Hoare annotation is: true [2020-10-29 09:20:03,340 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 15 22) no Hoare annotation was computed. [2020-10-29 09:20:03,341 INFO L274 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-10-29 09:20:03,341 INFO L274 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-10-29 09:20:03,341 INFO L270 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: false [2020-10-29 09:20:03,341 INFO L274 CegarLoopResult]: For program point L20-3(line 20) no Hoare annotation was computed. [2020-10-29 09:20:03,342 INFO L270 CegarLoopResult]: At program point L18-2(line 18) the Hoare annotation is: false [2020-10-29 09:20:03,342 INFO L274 CegarLoopResult]: For program point L18-3(line 18) no Hoare annotation was computed. [2020-10-29 09:20:03,342 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 15 22) no Hoare annotation was computed. [2020-10-29 09:20:03,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:20:03 BoogieIcfgContainer [2020-10-29 09:20:03,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:20:03,354 INFO L168 Benchmark]: Toolchain (without parser) took 2228.71 ms. Allocated memory is still 160.4 MB. Free memory was 135.1 MB in the beginning and 66.9 MB in the end (delta: 68.3 MB). Peak memory consumption was 69.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:03,357 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 160.4 MB. Free memory is still 132.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:20:03,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.88 ms. Allocated memory is still 160.4 MB. Free memory was 134.4 MB in the beginning and 125.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:03,360 INFO L168 Benchmark]: Boogie Preprocessor took 35.11 ms. Allocated memory is still 160.4 MB. Free memory was 124.9 MB in the beginning and 123.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:03,361 INFO L168 Benchmark]: RCFGBuilder took 548.14 ms. Allocated memory is still 160.4 MB. Free memory was 123.7 MB in the beginning and 111.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:03,362 INFO L168 Benchmark]: TraceAbstraction took 1387.84 ms. Allocated memory is still 160.4 MB. Free memory was 111.5 MB in the beginning and 66.9 MB in the end (delta: 44.6 MB). Peak memory consumption was 45.0 MB. Max. memory is 8.0 GB. [2020-10-29 09:20:03,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 160.4 MB. Free memory is still 132.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 243.88 ms. Allocated memory is still 160.4 MB. Free memory was 134.4 MB in the beginning and 125.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.11 ms. Allocated memory is still 160.4 MB. Free memory was 124.9 MB in the beginning and 123.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 548.14 ms. Allocated memory is still 160.4 MB. Free memory was 123.7 MB in the beginning and 111.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1387.84 ms. Allocated memory is still 160.4 MB. Free memory was 111.5 MB in the beginning and 66.9 MB in the end (delta: 44.6 MB). Peak memory consumption was 45.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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 5 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 SDtfs, 18 SDslu, 21 SDs, 0 SdLazy, 15 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 38 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 974 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...