/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=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/modsf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:28:37,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:28:37,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:28:37,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:28:37,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:28:37,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:28:37,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:28:37,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:28:37,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:28:37,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:28:37,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:28:37,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:28:37,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:28:37,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:28:37,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:28:37,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:28:37,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:28:37,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:28:37,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:28:37,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:28:37,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:28:37,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:28:37,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:28:37,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:28:37,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:28:37,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:28:37,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:28:37,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:28:37,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:28:37,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:28:37,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:28:37,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:28:37,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:28:37,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:28:37,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:28:37,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:28:37,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:28:37,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:28:37,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:28:37,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:28:37,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:28:37,495 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 18:28:37,529 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:28:37,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:28:37,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:28:37,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:28:37,531 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:28:37,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:28:37,532 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:28:37,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:28:37,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:28:37,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:28:37,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:28:37,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:28:37,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:28:37,537 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:28:37,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:28:37,537 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:28:37,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:28:37,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:28:37,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:28:37,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:28:37,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:28:37,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:28:37,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:28:37,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:28:37,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:28:37,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:28:37,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:28:37,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:28:37,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:28:37,543 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=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 18:28:38,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:28:38,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:28:38,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:28:38,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:28:38,104 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:28:38,105 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/modsf.c [2020-09-24 18:28:38,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d014fc923/d43b8fdf0f724679bec67784fa064c70/FLAG9f72900a4 [2020-09-24 18:28:38,786 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:28:38,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/modsf.c [2020-09-24 18:28:38,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d014fc923/d43b8fdf0f724679bec67784fa064c70/FLAG9f72900a4 [2020-09-24 18:28:39,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d014fc923/d43b8fdf0f724679bec67784fa064c70 [2020-09-24 18:28:39,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:28:39,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:28:39,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:28:39,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:28:39,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:28:39,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:28:39" (1/1) ... [2020-09-24 18:28:39,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce0c36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39, skipping insertion in model container [2020-09-24 18:28:39,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:28:39" (1/1) ... [2020-09-24 18:28:39,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:28:39,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:28:39,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:28:39,489 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:28:39,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:28:39,668 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:28:39,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39 WrapperNode [2020-09-24 18:28:39,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:28:39,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:28:39,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:28:39,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:28:39,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39" (1/1) ... [2020-09-24 18:28:39,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39" (1/1) ... [2020-09-24 18:28:39,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39" (1/1) ... [2020-09-24 18:28:39,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39" (1/1) ... [2020-09-24 18:28:39,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39" (1/1) ... [2020-09-24 18:28:39,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39" (1/1) ... [2020-09-24 18:28:39,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39" (1/1) ... [2020-09-24 18:28:39,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:28:39,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:28:39,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:28:39,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:28:39,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39" (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 18:28:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:28:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:28:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 18:28:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 18:28:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:28:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:28:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 18:28:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 18:28:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 18:28:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:28:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 18:28:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:28:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:28:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 18:28:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:28:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:28:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:28:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:28:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:28:40,190 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:28:40,190 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 18:28:40,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:28:40 BoogieIcfgContainer [2020-09-24 18:28:40,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:28:40,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:28:40,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:28:40,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:28:40,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:28:39" (1/3) ... [2020-09-24 18:28:40,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4528eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:28:40, skipping insertion in model container [2020-09-24 18:28:40,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:39" (2/3) ... [2020-09-24 18:28:40,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4528eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:28:40, skipping insertion in model container [2020-09-24 18:28:40,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:28:40" (3/3) ... [2020-09-24 18:28:40,207 INFO L109 eAbstractionObserver]: Analyzing ICFG modsf.c [2020-09-24 18:28:40,219 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:28:40,230 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:28:40,273 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:28:40,305 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:28:40,306 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:28:40,306 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:28:40,306 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:28:40,306 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:28:40,306 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:28:40,306 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:28:40,306 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:28:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-09-24 18:28:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 18:28:40,342 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:28:40,344 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] [2020-09-24 18:28:40,345 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:28:40,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:28:40,353 INFO L82 PathProgramCache]: Analyzing trace with hash 731228111, now seen corresponding path program 1 times [2020-09-24 18:28:40,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:28:40,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056947205] [2020-09-24 18:28:40,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:28:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:40,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:40,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:40,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:40,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:40,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:40,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 18:28:40,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 18:28:40,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-09-24 18:28:40,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-24 18:28:40,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:40,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 18:28:41,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:28:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:41,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:41,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:41,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:28:41,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:41,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 18:28:41,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:41,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:41,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:41,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:41,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:41,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 18:28:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:41,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:41,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:41,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:28:41,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:41,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 18:28:41,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:41,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:41,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-24 18:28:41,122 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 18:28:41,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056947205] [2020-09-24 18:28:41,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:28:41,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 18:28:41,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345137816] [2020-09-24 18:28:41,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 18:28:41,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:28:41,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 18:28:41,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 18:28:41,159 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 3 states. [2020-09-24 18:28:41,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:28:41,389 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2020-09-24 18:28:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 18:28:41,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-09-24 18:28:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:28:41,405 INFO L225 Difference]: With dead ends: 145 [2020-09-24 18:28:41,405 INFO L226 Difference]: Without dead ends: 72 [2020-09-24 18:28:41,410 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 18:28:41,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-24 18:28:41,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-09-24 18:28:41,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-24 18:28:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2020-09-24 18:28:41,483 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 37 [2020-09-24 18:28:41,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:28:41,484 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2020-09-24 18:28:41,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 18:28:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2020-09-24 18:28:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 18:28:41,489 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:28:41,489 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] [2020-09-24 18:28:41,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:28:41,490 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:28:41,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:28:41,492 INFO L82 PathProgramCache]: Analyzing trace with hash 681190783, now seen corresponding path program 1 times [2020-09-24 18:28:41,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:28:41,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194566330] [2020-09-24 18:28:41,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:28:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:41,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:41,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:41,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:41,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:41,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:41,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:42,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:42,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:43,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:43,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 18:28:43,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-24 18:28:43,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1471 [2020-09-24 18:28:43,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:43,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:28:43,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 18:28:43,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 18:28:43,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:43,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:28:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:43,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:43,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:43,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:28:43,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:43,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:28:43,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:43,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:43,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 18:28:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:43,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:43,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:43,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:28:43,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:43,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 18:28:43,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:28:43,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:43,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 18:28:43,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:43,106 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 18:28:43,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194566330] [2020-09-24 18:28:43,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:28:43,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 18:28:43,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233122921] [2020-09-24 18:28:43,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 18:28:43,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:28:43,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 18:28:43,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 18:28:43,111 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand 5 states. [2020-09-24 18:28:43,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:28:43,379 INFO L93 Difference]: Finished difference Result 121 states and 132 transitions. [2020-09-24 18:28:43,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 18:28:43,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-09-24 18:28:43,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:28:43,382 INFO L225 Difference]: With dead ends: 121 [2020-09-24 18:28:43,382 INFO L226 Difference]: Without dead ends: 77 [2020-09-24 18:28:43,384 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 18:28:43,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-09-24 18:28:43,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2020-09-24 18:28:43,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-24 18:28:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2020-09-24 18:28:43,396 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 37 [2020-09-24 18:28:43,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:28:43,397 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2020-09-24 18:28:43,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 18:28:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2020-09-24 18:28:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 18:28:43,400 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:28:43,400 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:28:43,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:28:43,401 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:28:43,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:28:43,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1093467533, now seen corresponding path program 1 times [2020-09-24 18:28:43,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:28:43,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872190073] [2020-09-24 18:28:43,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:28:43,426 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-24 18:28:43,427 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-24 18:28:43,427 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 18:28:43,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:28:43,459 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-24 18:28:43,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:28:43 BoogieIcfgContainer [2020-09-24 18:28:43,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:28:43,464 INFO L168 Benchmark]: Toolchain (without parser) took 4317.31 ms. Allocated memory was 138.9 MB in the beginning and 246.9 MB in the end (delta: 108.0 MB). Free memory was 101.7 MB in the beginning and 194.1 MB in the end (delta: -92.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:43,465 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-24 18:28:43,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.75 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 181.7 MB in the end (delta: -80.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:43,467 INFO L168 Benchmark]: Boogie Preprocessor took 59.54 ms. Allocated memory is still 202.9 MB. Free memory was 181.7 MB in the beginning and 179.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:43,468 INFO L168 Benchmark]: RCFGBuilder took 465.85 ms. Allocated memory is still 202.9 MB. Free memory was 179.3 MB in the beginning and 157.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:43,470 INFO L168 Benchmark]: TraceAbstraction took 3262.33 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 156.4 MB in the beginning and 194.1 MB in the end (delta: -37.7 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:43,474 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 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 519.75 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 181.7 MB in the end (delta: -80.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.54 ms. Allocated memory is still 202.9 MB. Free memory was 181.7 MB in the beginning and 179.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 465.85 ms. Allocated memory is still 202.9 MB. Free memory was 179.3 MB in the beginning and 157.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3262.33 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 156.4 MB in the beginning and 194.1 MB in the end (delta: -37.7 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible 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] = 0 [L30] i=0 [L30] COND TRUE i