/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/s4liff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:20:05,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:20:05,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:20:05,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:20:05,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:20:05,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:20:05,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:20:05,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:20:05,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:20:05,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:20:05,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:20:05,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:20:05,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:20:05,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:20:05,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:20:05,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:20:05,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:20:05,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:20:05,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:20:05,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:20:05,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:20:05,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:20:05,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:20:05,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:20:05,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:20:05,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:20:05,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:20:05,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:20:05,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:20:05,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:20:05,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:20:05,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:20:05,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:20:05,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:20:05,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:20:05,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:20:05,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:20:05,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:20:05,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:20:05,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:20:05,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:20:05,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 17:20:05,419 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:20:05,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:20:05,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:20:05,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:20:05,421 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:20:05,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:20:05,421 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:20:05,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:20:05,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:20:05,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:20:05,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:20:05,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:20:05,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:20:05,423 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:20:05,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:20:05,423 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:20:05,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:20:05,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:20:05,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:20:05,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:20:05,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:20:05,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:20:05,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:20:05,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:20:05,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:20:05,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:20:05,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:20:05,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:20:05,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:20:05,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;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;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;log-additional-information=true; [2020-09-24 17:20:05,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:20:05,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:20:05,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:20:05,932 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:20:05,933 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:20:05,935 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s4liff.c [2020-09-24 17:20:06,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7447e8d2/1970b21b8d804e6190581d0b58d0fb0f/FLAGc96fd4670 [2020-09-24 17:20:06,599 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:20:06,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s4liff.c [2020-09-24 17:20:06,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7447e8d2/1970b21b8d804e6190581d0b58d0fb0f/FLAGc96fd4670 [2020-09-24 17:20:06,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d7447e8d2/1970b21b8d804e6190581d0b58d0fb0f [2020-09-24 17:20:06,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:20:06,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:20:06,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:20:06,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:20:06,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:20:06,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:20:06" (1/1) ... [2020-09-24 17:20:06,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:06, skipping insertion in model container [2020-09-24 17:20:06,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:20:06" (1/1) ... [2020-09-24 17:20:06,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:20:07,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:20:07,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:20:07,243 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:20:07,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:20:07,289 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:20:07,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:07 WrapperNode [2020-09-24 17:20:07,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:20:07,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:20:07,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:20:07,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:20:07,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:07" (1/1) ... [2020-09-24 17:20:07,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:07" (1/1) ... [2020-09-24 17:20:07,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:07" (1/1) ... [2020-09-24 17:20:07,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:07" (1/1) ... [2020-09-24 17:20:07,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:07" (1/1) ... [2020-09-24 17:20:07,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:07" (1/1) ... [2020-09-24 17:20:07,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:07" (1/1) ... [2020-09-24 17:20:07,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:20:07,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:20:07,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:20:07,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:20:07,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 17:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 17:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:20:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:20:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 17:20:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 17:20:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 17:20:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:20:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:20:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:20:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:20:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:20:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:20:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:20:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:20:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:20:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:20:07,873 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:20:07,874 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-24 17:20:07,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:20:07 BoogieIcfgContainer [2020-09-24 17:20:07,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:20:07,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:20:07,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:20:07,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:20:07,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:20:06" (1/3) ... [2020-09-24 17:20:07,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269a5013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:20:07, skipping insertion in model container [2020-09-24 17:20:07,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:20:07" (2/3) ... [2020-09-24 17:20:07,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269a5013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:20:07, skipping insertion in model container [2020-09-24 17:20:07,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:20:07" (3/3) ... [2020-09-24 17:20:07,889 INFO L109 eAbstractionObserver]: Analyzing ICFG s4liff.c [2020-09-24 17:20:07,900 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:20:07,910 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:20:07,931 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:20:07,962 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:20:07,962 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:20:07,962 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:20:07,962 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:20:07,962 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:20:07,962 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:20:07,963 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:20:07,963 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:20:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-24 17:20:07,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 17:20:07,996 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:20:07,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:20:07,997 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:20:08,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:20:08,004 INFO L82 PathProgramCache]: Analyzing trace with hash -2050446892, now seen corresponding path program 1 times [2020-09-24 17:20:08,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:20:08,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926330392] [2020-09-24 17:20:08,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:20:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:08,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:08,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:08,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:08,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:08,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 17:20:08,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:20:08,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-09-24 17:20:08,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:08,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 17:20:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:08,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:20:08,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:20:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:08,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:08,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:20:08,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:08,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 17:20:08,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:08,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:08,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:08,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 17:20:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:08,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:08,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:08,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:20:08,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:08,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:20:08,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:08,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:08,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:08,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:08,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:20:08,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926330392] [2020-09-24 17:20:08,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:20:08,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 17:20:08,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766035376] [2020-09-24 17:20:08,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 17:20:08,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:20:08,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 17:20:08,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 17:20:08,662 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-24 17:20:08,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:20:08,893 INFO L93 Difference]: Finished difference Result 125 states and 142 transitions. [2020-09-24 17:20:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 17:20:08,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-24 17:20:08,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:20:08,910 INFO L225 Difference]: With dead ends: 125 [2020-09-24 17:20:08,910 INFO L226 Difference]: Without dead ends: 59 [2020-09-24 17:20:08,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 17:20:08,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-09-24 17:20:08,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-09-24 17:20:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-24 17:20:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-24 17:20:08,988 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-24 17:20:08,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:20:08,991 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-24 17:20:08,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 17:20:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-24 17:20:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 17:20:08,995 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:20:08,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:20:08,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:20:08,996 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:20:08,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:20:08,997 INFO L82 PathProgramCache]: Analyzing trace with hash -341126016, now seen corresponding path program 1 times [2020-09-24 17:20:08,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:20:08,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573878457] [2020-09-24 17:20:08,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:20:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:09,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:09,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:09,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:09,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:09,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 17:20:09,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:20:09,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-09-24 17:20:09,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:09,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 17:20:09,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 17:20:09,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 17:20:09,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:09,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:20:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:09,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:09,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:09,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:20:09,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:09,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 17:20:09,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:09,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:20:09,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:20:09,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:20:09,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 17:20:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:20:09,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:20:09,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:20:09,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:20:09,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:20:09,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 17:20:09,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:20:09,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:20:09,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:20:09,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 17:20:09,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:20:09,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:20:09,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573878457] [2020-09-24 17:20:09,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:20:09,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 17:20:09,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315915388] [2020-09-24 17:20:09,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 17:20:09,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:20:09,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 17:20:09,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 17:20:09,855 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 5 states. [2020-09-24 17:20:10,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:20:10,028 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-09-24 17:20:10,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 17:20:10,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-24 17:20:10,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:20:10,030 INFO L225 Difference]: With dead ends: 93 [2020-09-24 17:20:10,030 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 17:20:10,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 17:20:10,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 17:20:10,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-24 17:20:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-24 17:20:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-24 17:20:10,042 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 33 [2020-09-24 17:20:10,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:20:10,043 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-24 17:20:10,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 17:20:10,043 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-24 17:20:10,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-24 17:20:10,045 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:20:10,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:20:10,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:20:10,046 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:20:10,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:20:10,046 INFO L82 PathProgramCache]: Analyzing trace with hash 746418975, now seen corresponding path program 1 times [2020-09-24 17:20:10,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:20:10,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214858791] [2020-09-24 17:20:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:20:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 17:20:10,078 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 17:20:10,079 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 17:20:10,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:20:10,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 05:20:10 BoogieIcfgContainer [2020-09-24 17:20:10,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 17:20:10,112 INFO L168 Benchmark]: Toolchain (without parser) took 3153.56 ms. Allocated memory was 147.8 MB in the beginning and 234.9 MB in the end (delta: 87.0 MB). Free memory was 104.2 MB in the beginning and 135.9 MB in the end (delta: -31.7 MB). Peak memory consumption was 55.3 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:10,113 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 17:20:10,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.63 ms. Allocated memory is still 147.8 MB. Free memory was 103.5 MB in the beginning and 92.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:10,115 INFO L168 Benchmark]: Boogie Preprocessor took 135.07 ms. Allocated memory was 147.8 MB in the beginning and 202.9 MB in the end (delta: 55.1 MB). Free memory was 92.9 MB in the beginning and 180.1 MB in the end (delta: -87.2 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:10,116 INFO L168 Benchmark]: RCFGBuilder took 454.01 ms. Allocated memory is still 202.9 MB. Free memory was 180.1 MB in the beginning and 160.0 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:10,117 INFO L168 Benchmark]: TraceAbstraction took 2226.62 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 159.4 MB in the beginning and 135.9 MB in the end (delta: 23.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2020-09-24 17:20:10,121 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 329.63 ms. Allocated memory is still 147.8 MB. Free memory was 103.5 MB in the beginning and 92.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.07 ms. Allocated memory was 147.8 MB in the beginning and 202.9 MB in the end (delta: 55.1 MB). Free memory was 92.9 MB in the beginning and 180.1 MB in the end (delta: -87.2 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 454.01 ms. Allocated memory is still 202.9 MB. Free memory was 180.1 MB in the beginning and 160.0 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2226.62 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 159.4 MB in the beginning and 135.9 MB in the end (delta: 23.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L29] sum[0] = N [L30] i=0 [L30] COND TRUE i