/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/array-fpi/s12iff.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 09:15:48,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 09:15:48,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 09:15:48,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 09:15:48,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 09:15:48,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 09:15:48,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 09:15:48,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 09:15:48,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 09:15:48,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 09:15:48,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 09:15:48,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 09:15:48,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 09:15:48,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 09:15:48,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 09:15:48,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 09:15:48,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 09:15:48,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 09:15:48,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 09:15:48,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 09:15:48,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 09:15:48,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 09:15:48,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 09:15:48,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 09:15:48,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 09:15:48,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 09:15:48,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 09:15:48,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 09:15:48,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 09:15:48,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 09:15:48,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 09:15:48,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 09:15:48,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 09:15:48,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 09:15:48,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 09:15:48,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 09:15:48,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 09:15:48,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 09:15:48,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 09:15:48,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 09:15:48,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 09:15:48,340 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 [2020-10-28 09:15:48,367 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 09:15:48,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 09:15:48,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 09:15:48,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 09:15:48,370 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 09:15:48,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 09:15:48,370 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 09:15:48,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 09:15:48,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 09:15:48,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 09:15:48,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 09:15:48,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 09:15:48,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 09:15:48,371 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 09:15:48,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 09:15:48,372 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 09:15:48,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 09:15:48,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 09:15:48,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 09:15:48,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 09:15:48,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 09:15:48,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 09:15:48,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 09:15:48,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 09:15:48,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 09:15:48,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 09:15:48,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 09:15:48,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 09:15:48,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 09:15:48,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 09:15:48,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 09:15:48,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 09:15:48,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 09:15:48,884 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 09:15:48,887 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 09:15:48,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s12iff.c [2020-10-28 09:15:48,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8637d3947/c851d94c4f2c4af194e5f1199d514156/FLAG09c752601 [2020-10-28 09:15:49,638 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 09:15:49,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s12iff.c [2020-10-28 09:15:49,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8637d3947/c851d94c4f2c4af194e5f1199d514156/FLAG09c752601 [2020-10-28 09:15:49,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8637d3947/c851d94c4f2c4af194e5f1199d514156 [2020-10-28 09:15:49,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 09:15:49,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 09:15:49,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 09:15:49,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 09:15:49,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 09:15:49,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:15:49" (1/1) ... [2020-10-28 09:15:49,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebb2c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:49, skipping insertion in model container [2020-10-28 09:15:49,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:15:49" (1/1) ... [2020-10-28 09:15:49,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 09:15:50,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 09:15:50,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 09:15:50,207 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 09:15:50,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 09:15:50,294 INFO L208 MainTranslator]: Completed translation [2020-10-28 09:15:50,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:50 WrapperNode [2020-10-28 09:15:50,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 09:15:50,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 09:15:50,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 09:15:50,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 09:15:50,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:50" (1/1) ... [2020-10-28 09:15:50,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:50" (1/1) ... [2020-10-28 09:15:50,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:50" (1/1) ... [2020-10-28 09:15:50,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:50" (1/1) ... [2020-10-28 09:15:50,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:50" (1/1) ... [2020-10-28 09:15:50,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:50" (1/1) ... [2020-10-28 09:15:50,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:50" (1/1) ... [2020-10-28 09:15:50,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 09:15:50,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 09:15:50,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 09:15:50,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 09:15:50,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:50" (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 [2020-10-28 09:15:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 09:15:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 09:15:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 09:15:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 09:15:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-28 09:15:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 09:15:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 09:15:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 09:15:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 09:15:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 09:15:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 09:15:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-28 09:15:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 09:15:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 09:15:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 09:15:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 09:15:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 09:15:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 09:15:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 09:15:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 09:15:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 09:15:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 09:15:51,020 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 09:15:51,021 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-28 09:15:51,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:51 BoogieIcfgContainer [2020-10-28 09:15:51,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 09:15:51,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 09:15:51,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 09:15:51,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 09:15:51,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:15:49" (1/3) ... [2020-10-28 09:15:51,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291b80a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:15:51, skipping insertion in model container [2020-10-28 09:15:51,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:50" (2/3) ... [2020-10-28 09:15:51,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291b80a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:15:51, skipping insertion in model container [2020-10-28 09:15:51,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:51" (3/3) ... [2020-10-28 09:15:51,032 INFO L111 eAbstractionObserver]: Analyzing ICFG s12iff.c [2020-10-28 09:15:51,045 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 09:15:51,051 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 09:15:51,066 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 09:15:51,094 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 09:15:51,095 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 09:15:51,095 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 09:15:51,095 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 09:15:51,095 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 09:15:51,095 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 09:15:51,096 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 09:15:51,096 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 09:15:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-10-28 09:15:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-28 09:15:51,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:15:51,119 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] [2020-10-28 09:15:51,120 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:15:51,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:15:51,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1702539242, now seen corresponding path program 1 times [2020-10-28 09:15:51,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:15:51,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724398627] [2020-10-28 09:15:51,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:15:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:15:51,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:51,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:51,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:51,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:15:51,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 09:15:51,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 09:15:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 640 [2020-10-28 09:15:51,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:15:51,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:15:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:15:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 09:15:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:15:51,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 09:15:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:15:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:15:52,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:52,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:15:52,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:15:52,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:15:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 09:15:52,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:15:52,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:15:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:15:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:15:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:15:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:15:52,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 09:15:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:15:52,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:52,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:52,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:15:52,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:15:52,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:15:52,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:15:52,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:15:52,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:15:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:15:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:15:52,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:15:52,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:15:52,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 09:15:52,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724398627] [2020-10-28 09:15:52,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:15:52,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 09:15:52,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068693424] [2020-10-28 09:15:52,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 09:15:52,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:15:52,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 09:15:52,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 09:15:52,098 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 3 states. [2020-10-28 09:15:52,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:15:52,230 INFO L93 Difference]: Finished difference Result 67 states and 87 transitions. [2020-10-28 09:15:52,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 09:15:52,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-28 09:15:52,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:15:52,240 INFO L225 Difference]: With dead ends: 67 [2020-10-28 09:15:52,241 INFO L226 Difference]: Without dead ends: 30 [2020-10-28 09:15:52,244 INFO L677 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 [2020-10-28 09:15:52,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-28 09:15:52,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-28 09:15:52,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-28 09:15:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-10-28 09:15:52,289 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 24 [2020-10-28 09:15:52,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:15:52,290 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-10-28 09:15:52,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 09:15:52,290 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-10-28 09:15:52,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-28 09:15:52,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:15:52,292 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] [2020-10-28 09:15:52,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 09:15:52,292 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:15:52,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:15:52,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1952199574, now seen corresponding path program 1 times [2020-10-28 09:15:52,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:15:52,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028222890] [2020-10-28 09:15:52,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:15:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:15:52,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:52,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:52,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:15:52,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 09:15:52,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 09:15:52,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-10-28 09:15:52,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:15:52,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:15:52,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 09:15:52,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:15:52,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 09:15:52,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:15:52,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:15:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:15:52,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:52,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:15:52,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:15:52,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:15:52,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 09:15:52,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:15:52,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:15:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:15:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:15:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:15:52,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:15:52,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 09:15:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:15:53,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:15:53,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:15:53,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:15:53,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:15:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 09:15:53,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:15:53,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:15:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:15:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:15:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:15:53,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:15:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 09:15:53,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028222890] [2020-10-28 09:15:53,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:15:53,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 09:15:53,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887689291] [2020-10-28 09:15:53,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 09:15:53,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:15:53,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 09:15:53,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:15:53,030 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 5 states. [2020-10-28 09:15:53,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:15:53,243 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2020-10-28 09:15:53,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 09:15:53,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-28 09:15:53,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:15:53,245 INFO L225 Difference]: With dead ends: 48 [2020-10-28 09:15:53,245 INFO L226 Difference]: Without dead ends: 33 [2020-10-28 09:15:53,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 09:15:53,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-28 09:15:53,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-28 09:15:53,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-28 09:15:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-10-28 09:15:53,256 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 24 [2020-10-28 09:15:53,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:15:53,256 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-10-28 09:15:53,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 09:15:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-10-28 09:15:53,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-28 09:15:53,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:15:53,258 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] [2020-10-28 09:15:53,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 09:15:53,258 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:15:53,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:15:53,259 INFO L82 PathProgramCache]: Analyzing trace with hash -856996485, now seen corresponding path program 1 times [2020-10-28 09:15:53,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:15:53,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271273872] [2020-10-28 09:15:53,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:15:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 09:15:53,284 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 09:15:53,284 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 09:15:53,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 09:15:53,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:15:53 BoogieIcfgContainer [2020-10-28 09:15:53,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 09:15:53,311 INFO L168 Benchmark]: Toolchain (without parser) took 3341.85 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 101.3 MB in the beginning and 74.1 MB in the end (delta: 27.2 MB). Peak memory consumption was 53.4 MB. Max. memory is 8.0 GB. [2020-10-28 09:15:53,312 INFO L168 Benchmark]: CDTParser took 1.62 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 09:15:53,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.36 ms. Allocated memory is still 125.8 MB. Free memory was 100.8 MB in the beginning and 90.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-28 09:15:53,314 INFO L168 Benchmark]: Boogie Preprocessor took 77.18 ms. Allocated memory is still 125.8 MB. Free memory was 90.2 MB in the beginning and 88.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-28 09:15:53,315 INFO L168 Benchmark]: RCFGBuilder took 645.23 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 88.5 MB in the beginning and 132.4 MB in the end (delta: -43.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. [2020-10-28 09:15:53,315 INFO L168 Benchmark]: TraceAbstraction took 2283.42 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 74.1 MB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 8.0 GB. [2020-10-28 09:15:53,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 322.36 ms. Allocated memory is still 125.8 MB. Free memory was 100.8 MB in the beginning and 90.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 77.18 ms. Allocated memory is still 125.8 MB. Free memory was 90.2 MB in the beginning and 88.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 645.23 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 88.5 MB in the beginning and 132.4 MB in the end (delta: -43.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2283.42 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 74.1 MB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 [L32] COND TRUE i