/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --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/sina2f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:55:15,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:55:15,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:55:15,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:55:15,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:55:15,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:55:15,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:55:15,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:55:15,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:55:15,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:55:15,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:55:15,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:55:15,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:55:15,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:55:15,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:55:15,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:55:15,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:55:15,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:55:15,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:55:15,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:55:15,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:55:15,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:55:15,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:55:15,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:55:15,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:55:15,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:55:15,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:55:15,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:55:15,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:55:15,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:55:15,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:55:15,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:55:15,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:55:15,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:55:15,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:55:15,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:55:15,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:55:15,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:55:15,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:55:15,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:55:15,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:55:15,602 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 22:55:15,644 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:55:15,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:55:15,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:55:15,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:55:15,647 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:55:15,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:55:15,648 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:55:15,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:55:15,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:55:15,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:55:15,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:55:15,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:55:15,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:55:15,650 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:55:15,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:55:15,650 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:55:15,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:55:15,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:55:15,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:55:15,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:55:15,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:55:15,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:55:15,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:55:15,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:55:15,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:55:15,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:55:15,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:55:15,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:55:15,653 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:55:15,653 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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:55:16,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:55:16,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:55:16,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:55:16,172 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:55:16,173 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:55:16,174 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-24 22:55:16,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20b0ecec1/b3368fe185f24064a20891210d705fec/FLAG5430fb30a [2020-09-24 22:55:16,849 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:55:16,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-24 22:55:16,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20b0ecec1/b3368fe185f24064a20891210d705fec/FLAG5430fb30a [2020-09-24 22:55:17,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20b0ecec1/b3368fe185f24064a20891210d705fec [2020-09-24 22:55:17,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:55:17,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:55:17,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:55:17,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:55:17,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:55:17,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:55:17" (1/1) ... [2020-09-24 22:55:17,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434f45a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17, skipping insertion in model container [2020-09-24 22:55:17,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:55:17" (1/1) ... [2020-09-24 22:55:17,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:55:17,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:55:17,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:55:17,471 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:55:17,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:55:17,593 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:55:17,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17 WrapperNode [2020-09-24 22:55:17,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:55:17,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:55:17,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:55:17,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:55:17,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17" (1/1) ... [2020-09-24 22:55:17,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17" (1/1) ... [2020-09-24 22:55:17,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17" (1/1) ... [2020-09-24 22:55:17,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17" (1/1) ... [2020-09-24 22:55:17,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17" (1/1) ... [2020-09-24 22:55:17,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17" (1/1) ... [2020-09-24 22:55:17,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17" (1/1) ... [2020-09-24 22:55:17,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:55:17,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:55:17,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:55:17,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:55:17,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17" (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 22:55:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:55:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:55:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 22:55:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 22:55:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:55:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:55:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 22:55:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 22:55:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 22:55:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:55:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:55:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:55:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:55:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:55:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:55:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:55:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:55:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:55:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:55:18,081 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:55:18,082 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 22:55:18,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:55:18 BoogieIcfgContainer [2020-09-24 22:55:18,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:55:18,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:55:18,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:55:18,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:55:18,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:55:17" (1/3) ... [2020-09-24 22:55:18,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47afbae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:55:18, skipping insertion in model container [2020-09-24 22:55:18,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:17" (2/3) ... [2020-09-24 22:55:18,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47afbae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:55:18, skipping insertion in model container [2020-09-24 22:55:18,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:55:18" (3/3) ... [2020-09-24 22:55:18,102 INFO L109 eAbstractionObserver]: Analyzing ICFG sina2f.c [2020-09-24 22:55:18,111 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:55:18,120 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:55:18,140 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:55:18,172 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:55:18,172 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:55:18,172 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:55:18,173 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:55:18,173 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:55:18,173 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:55:18,173 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:55:18,173 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:55:18,198 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-24 22:55:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 22:55:18,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:55:18,208 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] [2020-09-24 22:55:18,209 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:55:18,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:55:18,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1325521379, now seen corresponding path program 1 times [2020-09-24 22:55:18,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:55:18,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562647940] [2020-09-24 22:55:18,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:55:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:18,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:18,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:18,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:18,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:18,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 22:55:18,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:55:18,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-09-24 22:55:18,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:18,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:55:18,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 22:55:18,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:55:18,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 22:55:18,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:55:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:18,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:18,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:18,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:55:18,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:55:18,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 22:55:18,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:55:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:55:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:55:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:55:18,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 22:55:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:18,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:18,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:18,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:55:18,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:55:18,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:55:18,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:55:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:55:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:55:18,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:55:18,878 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 22:55:18,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562647940] [2020-09-24 22:55:18,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:55:18,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 22:55:18,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034764371] [2020-09-24 22:55:18,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 22:55:18,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:55:18,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 22:55:18,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:55:18,912 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-24 22:55:19,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:55:19,139 INFO L93 Difference]: Finished difference Result 125 states and 144 transitions. [2020-09-24 22:55:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 22:55:19,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-09-24 22:55:19,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:55:19,154 INFO L225 Difference]: With dead ends: 125 [2020-09-24 22:55:19,154 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 22:55:19,159 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 22:55:19,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 22:55:19,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-24 22:55:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-24 22:55:19,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-24 22:55:19,218 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 35 [2020-09-24 22:55:19,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:55:19,219 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-24 22:55:19,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 22:55:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-24 22:55:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 22:55:19,221 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:55:19,221 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] [2020-09-24 22:55:19,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:55:19,222 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:55:19,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:55:19,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1536754598, now seen corresponding path program 1 times [2020-09-24 22:55:19,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:55:19,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050350041] [2020-09-24 22:55:19,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:55:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:19,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:19,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:19,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:19,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:19,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:19,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:20,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:20,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 22:55:20,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 22:55:20,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1531 [2020-09-24 22:55:20,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:55:20,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 22:55:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:55:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:55:20,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:55:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:20,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:20,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:55:20,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:55:20,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 22:55:20,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:20,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:55:20,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:55:20,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:55:20,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:55:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 22:55:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:20,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:20,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:20,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:55:20,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:55:20,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:55:20,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:55:20,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:55:20,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:55:20,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:55:20,899 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 22:55:20,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050350041] [2020-09-24 22:55:20,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:55:20,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:55:20,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853866329] [2020-09-24 22:55:20,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:55:20,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:55:20,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:55:20,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:55:20,905 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 6 states. [2020-09-24 22:55:21,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:55:21,204 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2020-09-24 22:55:21,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 22:55:21,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-09-24 22:55:21,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:55:21,209 INFO L225 Difference]: With dead ends: 127 [2020-09-24 22:55:21,209 INFO L226 Difference]: Without dead ends: 88 [2020-09-24 22:55:21,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:55:21,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-09-24 22:55:21,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 65. [2020-09-24 22:55:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-09-24 22:55:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2020-09-24 22:55:21,233 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 35 [2020-09-24 22:55:21,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:55:21,233 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2020-09-24 22:55:21,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:55:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2020-09-24 22:55:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 22:55:21,237 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:55:21,237 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, 1] [2020-09-24 22:55:21,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:55:21,241 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:55:21,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:55:21,242 INFO L82 PathProgramCache]: Analyzing trace with hash -313984591, now seen corresponding path program 1 times [2020-09-24 22:55:21,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:55:21,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412280425] [2020-09-24 22:55:21,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:55:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 22:55:21,281 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 22:55:21,282 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 22:55:21,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:55:21,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:55:21 BoogieIcfgContainer [2020-09-24 22:55:21,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 22:55:21,322 INFO L168 Benchmark]: Toolchain (without parser) took 4130.33 ms. Allocated memory was 136.3 MB in the beginning and 226.5 MB in the end (delta: 90.2 MB). Free memory was 99.8 MB in the beginning and 73.3 MB in the end (delta: 26.4 MB). Peak memory consumption was 116.6 MB. Max. memory is 7.1 GB. [2020-09-24 22:55:21,324 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 22:55:21,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.49 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 99.1 MB in the beginning and 178.1 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-09-24 22:55:21,326 INFO L168 Benchmark]: Boogie Preprocessor took 56.54 ms. Allocated memory is still 199.2 MB. Free memory was 178.1 MB in the beginning and 176.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-24 22:55:21,327 INFO L168 Benchmark]: RCFGBuilder took 435.91 ms. Allocated memory is still 199.2 MB. Free memory was 175.4 MB in the beginning and 154.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-09-24 22:55:21,329 INFO L168 Benchmark]: TraceAbstraction took 3222.53 ms. Allocated memory was 199.2 MB in the beginning and 226.5 MB in the end (delta: 27.3 MB). Free memory was 154.8 MB in the beginning and 73.3 MB in the end (delta: 81.5 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. [2020-09-24 22:55:21,338 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 400.49 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 99.1 MB in the beginning and 178.1 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.54 ms. Allocated memory is still 199.2 MB. Free memory was 178.1 MB in the beginning and 176.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 435.91 ms. Allocated memory is still 199.2 MB. Free memory was 175.4 MB in the beginning and 154.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3222.53 ms. Allocated memory was 199.2 MB in the beginning and 226.5 MB in the end (delta: 27.3 MB). Free memory was 154.8 MB in the beginning and 73.3 MB in the end (delta: 81.5 MB). Peak memory consumption was 108.7 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] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i