/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/res1f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:28:45,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:28:45,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:28:45,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:28:45,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:28:45,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:28:45,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:28:45,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:28:45,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:28:45,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:28:45,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:28:45,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:28:45,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:28:45,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:28:45,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:28:45,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:28:45,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:28:45,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:28:45,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:28:45,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:28:45,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:28:45,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:28:45,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:28:45,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:28:45,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:28:45,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:28:45,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:28:45,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:28:45,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:28:45,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:28:45,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:28:45,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:28:45,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:28:45,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:28:45,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:28:45,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:28:45,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:28:45,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:28:45,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:28:45,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:28:45,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:28:45,820 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 18:28:45,866 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:28:45,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:28:45,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:28:45,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:28:45,869 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:28:45,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:28:45,870 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:28:45,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:28:45,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:28:45,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:28:45,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:28:45,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:28:45,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:28:45,873 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:28:45,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:28:45,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:28:45,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:28:45,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:28:45,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:28:45,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:28:45,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:28:45,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:28:45,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:28:45,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:28:45,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:28:45,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:28:45,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:28:45,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:28:45,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:28:45,876 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 18:28:46,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:28:46,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:28:46,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:28:46,382 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:28:46,382 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:28:46,384 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/res1f.c [2020-09-24 18:28:46,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92d18ebdd/486628e88b2c438eaa970ce0906ccdcf/FLAGaecd4d2b5 [2020-09-24 18:28:47,031 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:28:47,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/res1f.c [2020-09-24 18:28:47,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92d18ebdd/486628e88b2c438eaa970ce0906ccdcf/FLAGaecd4d2b5 [2020-09-24 18:28:47,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92d18ebdd/486628e88b2c438eaa970ce0906ccdcf [2020-09-24 18:28:47,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:28:47,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:28:47,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:28:47,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:28:47,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:28:47,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:28:47" (1/1) ... [2020-09-24 18:28:47,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fa4179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47, skipping insertion in model container [2020-09-24 18:28:47,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:28:47" (1/1) ... [2020-09-24 18:28:47,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:28:47,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:28:47,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:28:47,728 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:28:47,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:28:47,776 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:28:47,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47 WrapperNode [2020-09-24 18:28:47,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:28:47,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:28:47,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:28:47,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:28:47,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47" (1/1) ... [2020-09-24 18:28:47,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47" (1/1) ... [2020-09-24 18:28:47,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47" (1/1) ... [2020-09-24 18:28:47,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47" (1/1) ... [2020-09-24 18:28:47,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47" (1/1) ... [2020-09-24 18:28:47,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47" (1/1) ... [2020-09-24 18:28:47,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47" (1/1) ... [2020-09-24 18:28:47,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:28:47,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:28:47,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:28:47,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:28:47,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47" (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 18:28:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:28:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:28:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 18:28:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 18:28:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:28:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:28:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 18:28:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 18:28:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 18:28:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:28:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 18:28:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:28:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:28:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 18:28:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:28:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:28:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:28:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:28:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:28:48,406 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:28:48,406 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 18:28:48,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:28:48 BoogieIcfgContainer [2020-09-24 18:28:48,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:28:48,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:28:48,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:28:48,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:28:48,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:28:47" (1/3) ... [2020-09-24 18:28:48,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5420479f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:28:48, skipping insertion in model container [2020-09-24 18:28:48,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:28:47" (2/3) ... [2020-09-24 18:28:48,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5420479f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:28:48, skipping insertion in model container [2020-09-24 18:28:48,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:28:48" (3/3) ... [2020-09-24 18:28:48,422 INFO L109 eAbstractionObserver]: Analyzing ICFG res1f.c [2020-09-24 18:28:48,434 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:28:48,445 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:28:48,468 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:28:48,500 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:28:48,500 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:28:48,500 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:28:48,500 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:28:48,500 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:28:48,500 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:28:48,501 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:28:48,501 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:28:48,523 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-09-24 18:28:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 18:28:48,532 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:28:48,533 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 18:28:48,533 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:28:48,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:28:48,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1226656927, now seen corresponding path program 1 times [2020-09-24 18:28:48,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:28:48,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21077327] [2020-09-24 18:28:48,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:28:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:48,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:48,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:48,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:49,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:49,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:49,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:49,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 18:28:49,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 18:28:49,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1264 [2020-09-24 18:28:49,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 18:28:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:49,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 18:28:50,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:28:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:50,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:50,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:50,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:28:50,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 18:28:50,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:50,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:50,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:50,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:50,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 18:28:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:50,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:50,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:50,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:28:50,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:50,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 18:28:50,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:50,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:50,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:28:50,097 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 18:28:50,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21077327] [2020-09-24 18:28:50,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:28:50,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 18:28:50,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750328634] [2020-09-24 18:28:50,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 18:28:50,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:28:50,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 18:28:50,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 18:28:50,130 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-09-24 18:28:50,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:28:50,304 INFO L93 Difference]: Finished difference Result 131 states and 150 transitions. [2020-09-24 18:28:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 18:28:50,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-09-24 18:28:50,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:28:50,318 INFO L225 Difference]: With dead ends: 131 [2020-09-24 18:28:50,319 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 18:28:50,323 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 18:28:50,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 18:28:50,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-24 18:28:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-24 18:28:50,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-24 18:28:50,378 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 37 [2020-09-24 18:28:50,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:28:50,379 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-24 18:28:50,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 18:28:50,380 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-24 18:28:50,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 18:28:50,381 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:28:50,382 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 18:28:50,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:28:50,382 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:28:50,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:28:50,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1534386935, now seen corresponding path program 1 times [2020-09-24 18:28:50,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:28:50,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660885757] [2020-09-24 18:28:50,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:28:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:50,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:50,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:50,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:50,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:50,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:52,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:52,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 18:28:52,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 18:28:52,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2279 [2020-09-24 18:28:52,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:28:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 18:28:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 18:28:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:52,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:28:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:52,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:52,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:52,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:28:52,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:52,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:28:52,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:28:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:28:52,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:52,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 18:28:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:28:52,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:28:52,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:28:52,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:28:52,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:28:52,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 18:28:52,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:28:52,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:28:52,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:28:52,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 18:28:52,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:28:52,770 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 18:28:52,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660885757] [2020-09-24 18:28:52,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:28:52,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 18:28:52,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904092184] [2020-09-24 18:28:52,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 18:28:52,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:28:52,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 18:28:52,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 18:28:52,775 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 5 states. [2020-09-24 18:28:52,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:28:52,984 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2020-09-24 18:28:52,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 18:28:52,984 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-09-24 18:28:52,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:28:52,986 INFO L225 Difference]: With dead ends: 98 [2020-09-24 18:28:52,986 INFO L226 Difference]: Without dead ends: 66 [2020-09-24 18:28:52,988 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 18:28:52,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-24 18:28:52,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-09-24 18:28:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-24 18:28:52,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2020-09-24 18:28:53,000 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 37 [2020-09-24 18:28:53,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:28:53,000 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2020-09-24 18:28:53,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 18:28:53,001 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-09-24 18:28:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-24 18:28:53,003 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:28:53,003 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] [2020-09-24 18:28:53,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:28:53,004 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:28:53,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:28:53,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1623654441, now seen corresponding path program 1 times [2020-09-24 18:28:53,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:28:53,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413128795] [2020-09-24 18:28:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:28:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 18:28:53,039 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 18:28:53,040 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 18:28:53,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:28:53,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:28:53 BoogieIcfgContainer [2020-09-24 18:28:53,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:28:53,073 INFO L168 Benchmark]: Toolchain (without parser) took 5693.70 ms. Allocated memory was 147.3 MB in the beginning and 245.9 MB in the end (delta: 98.6 MB). Free memory was 103.5 MB in the beginning and 160.8 MB in the end (delta: -57.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:53,074 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:28:53,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.24 ms. Allocated memory is still 147.3 MB. Free memory was 102.8 MB in the beginning and 92.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:53,076 INFO L168 Benchmark]: Boogie Preprocessor took 141.31 ms. Allocated memory was 147.3 MB in the beginning and 202.9 MB in the end (delta: 55.6 MB). Free memory was 92.2 MB in the beginning and 180.1 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:53,077 INFO L168 Benchmark]: RCFGBuilder took 493.32 ms. Allocated memory is still 202.9 MB. Free memory was 180.1 MB in the beginning and 159.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:53,078 INFO L168 Benchmark]: TraceAbstraction took 4655.16 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 158.4 MB in the beginning and 160.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-09-24 18:28:53,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 394.24 ms. Allocated memory is still 147.3 MB. Free memory was 102.8 MB in the beginning and 92.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.31 ms. Allocated memory was 147.3 MB in the beginning and 202.9 MB in the end (delta: 55.6 MB). Free memory was 92.2 MB in the beginning and 180.1 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 493.32 ms. Allocated memory is still 202.9 MB. Free memory was 180.1 MB in the beginning and 159.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4655.16 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 158.4 MB in the beginning and 160.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L28] int *b = malloc(sizeof(int)*N); [L30] sum[0] = 1 [L31] i=0 [L31] COND TRUE i