/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 --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 interpolation-heuristic=FIRST --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/s52iff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:30:48,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:30:48,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:30:48,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:30:48,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:30:48,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:30:48,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:30:48,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:30:48,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:30:48,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:30:48,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:30:48,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:30:48,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:30:48,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:30:48,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:30:48,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:30:48,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:30:48,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:30:48,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:30:48,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:30:48,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:30:48,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:30:48,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:30:48,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:30:48,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:30:48,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:30:48,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:30:48,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:30:48,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:30:48,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:30:48,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:30:48,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:30:48,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:30:48,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:30:48,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:30:48,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:30:48,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:30:48,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:30:48,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:30:48,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:30:48,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:30:48,938 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 [2020-09-21 11:30:48,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:30:48,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:30:48,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:30:48,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:30:48,985 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:30:48,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:30:48,986 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:30:48,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:30:48,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:30:48,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:30:48,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:30:48,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:30:48,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:30:48,988 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:30:48,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:30:48,989 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:30:48,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:30:48,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:30:48,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:30:48,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:30:48,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:30:48,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:30:48,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:30:48,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:30:48,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:30:48,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:30:48,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:30:48,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:30:48,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:30:48,991 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:30:49,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:30:49,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:30:49,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:30:49,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:30:49,491 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:30:49,492 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s52iff.c [2020-09-21 11:30:49,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/028f783d0/260774ce36a04575b50259acda206d7d/FLAG73b9b9942 [2020-09-21 11:30:50,206 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:30:50,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s52iff.c [2020-09-21 11:30:50,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/028f783d0/260774ce36a04575b50259acda206d7d/FLAG73b9b9942 [2020-09-21 11:30:50,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/028f783d0/260774ce36a04575b50259acda206d7d [2020-09-21 11:30:50,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:30:50,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:30:50,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:50,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:30:50,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:30:50,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:50" (1/1) ... [2020-09-21 11:30:50,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76be6b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50, skipping insertion in model container [2020-09-21 11:30:50,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:50" (1/1) ... [2020-09-21 11:30:50,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:30:50,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:30:50,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:50,873 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:30:50,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:50,921 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:30:50,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50 WrapperNode [2020-09-21 11:30:50,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:50,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:30:50,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:30:50,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:30:51,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50" (1/1) ... [2020-09-21 11:30:51,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50" (1/1) ... [2020-09-21 11:30:51,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50" (1/1) ... [2020-09-21 11:30:51,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50" (1/1) ... [2020-09-21 11:30:51,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50" (1/1) ... [2020-09-21 11:30:51,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50" (1/1) ... [2020-09-21 11:30:51,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50" (1/1) ... [2020-09-21 11:30:51,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:30:51,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:30:51,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:30:51,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:30:51,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:30:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:30:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:30:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:30:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 11:30:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:30:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:30:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:30:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:30:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 11:30:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:30:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:30:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:30:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:30:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:30:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:30:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:30:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:30:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:30:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:30:51,460 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:30:51,460 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-21 11:30:51,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:51 BoogieIcfgContainer [2020-09-21 11:30:51,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:30:51,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:30:51,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:30:51,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:30:51,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:30:50" (1/3) ... [2020-09-21 11:30:51,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42947cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:51, skipping insertion in model container [2020-09-21 11:30:51,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:50" (2/3) ... [2020-09-21 11:30:51,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42947cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:51, skipping insertion in model container [2020-09-21 11:30:51,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:51" (3/3) ... [2020-09-21 11:30:51,478 INFO L109 eAbstractionObserver]: Analyzing ICFG s52iff.c [2020-09-21 11:30:51,493 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:30:51,504 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:30:51,530 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:30:51,564 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:30:51,565 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:30:51,565 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:30:51,565 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:30:51,565 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:30:51,565 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:30:51,566 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:30:51,566 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:30:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-09-21 11:30:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-21 11:30:51,600 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:51,601 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] [2020-09-21 11:30:51,602 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:51,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:51,610 INFO L82 PathProgramCache]: Analyzing trace with hash 2033030480, now seen corresponding path program 1 times [2020-09-21 11:30:51,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:51,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159572220] [2020-09-21 11:30:51,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:51,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:51,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:51,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:51,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:51,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:30:51,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:51,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:30:51,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:30:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:51,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:51,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:51,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:51,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:51,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:51,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:51,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:51,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:51,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:51,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:51,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:51,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:51,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:51,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:51,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:51,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:51,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:51,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:51,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:51,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:51,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:30:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:51,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:30:51,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159572220] [2020-09-21 11:30:51,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:51,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:30:51,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450369184] [2020-09-21 11:30:51,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:30:51,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:51,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:30:51,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:51,948 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2020-09-21 11:30:52,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:52,073 INFO L93 Difference]: Finished difference Result 62 states and 81 transitions. [2020-09-21 11:30:52,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:30:52,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-09-21 11:30:52,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:52,088 INFO L225 Difference]: With dead ends: 62 [2020-09-21 11:30:52,088 INFO L226 Difference]: Without dead ends: 29 [2020-09-21 11:30:52,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:52,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-09-21 11:30:52,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-09-21 11:30:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-09-21 11:30:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-09-21 11:30:52,137 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 23 [2020-09-21 11:30:52,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:52,138 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-09-21 11:30:52,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:30:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-09-21 11:30:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-21 11:30:52,140 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:52,140 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] [2020-09-21 11:30:52,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:30:52,141 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:52,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:52,141 INFO L82 PathProgramCache]: Analyzing trace with hash 706992569, now seen corresponding path program 1 times [2020-09-21 11:30:52,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:52,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912267988] [2020-09-21 11:30:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:52,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:52,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:52,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:52,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:52,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:30:52,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:52,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:30:52,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:52,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:30:52,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:30:52,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:30:52,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:52,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:52,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:52,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:52,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:52,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:52,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:52,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:52,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:30:52,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:52,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:52,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:52,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:52,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:52,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:52,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:52,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:52,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:52,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:30:52,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:52,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:30:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:30:52,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:30:52,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912267988] [2020-09-21 11:30:52,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:52,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:30:52,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517413951] [2020-09-21 11:30:52,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:30:52,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:52,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:30:52,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:30:52,312 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 5 states. [2020-09-21 11:30:52,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:52,461 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2020-09-21 11:30:52,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:30:52,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-09-21 11:30:52,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:52,464 INFO L225 Difference]: With dead ends: 51 [2020-09-21 11:30:52,464 INFO L226 Difference]: Without dead ends: 37 [2020-09-21 11:30:52,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:30:52,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-09-21 11:30:52,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2020-09-21 11:30:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 11:30:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2020-09-21 11:30:52,476 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2020-09-21 11:30:52,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:52,476 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2020-09-21 11:30:52,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:30:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2020-09-21 11:30:52,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-21 11:30:52,478 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:52,478 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] [2020-09-21 11:30:52,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:30:52,479 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:52,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:52,480 INFO L82 PathProgramCache]: Analyzing trace with hash 284203188, now seen corresponding path program 1 times [2020-09-21 11:30:52,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:52,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350492720] [2020-09-21 11:30:52,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:30:52,557 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:30:52,558 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:30:52,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:30:52,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:30:52 BoogieIcfgContainer [2020-09-21 11:30:52,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:30:52,606 INFO L168 Benchmark]: Toolchain (without parser) took 2105.52 ms. Allocated memory was 141.0 MB in the beginning and 233.8 MB in the end (delta: 92.8 MB). Free memory was 104.2 MB in the beginning and 204.4 MB in the end (delta: -100.2 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:52,607 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-21 11:30:52,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.08 ms. Allocated memory is still 141.0 MB. Free memory was 103.2 MB in the beginning and 92.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:52,609 INFO L168 Benchmark]: Boogie Preprocessor took 135.98 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 92.5 MB in the beginning and 181.3 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:52,611 INFO L168 Benchmark]: RCFGBuilder took 407.12 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 163.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:52,612 INFO L168 Benchmark]: TraceAbstraction took 1133.37 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 162.8 MB in the beginning and 204.4 MB in the end (delta: -41.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:52,616 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 416.08 ms. Allocated memory is still 141.0 MB. Free memory was 103.2 MB in the beginning and 92.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.98 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 92.5 MB in the beginning and 181.3 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 407.12 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 163.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1133.37 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 162.8 MB in the beginning and 204.4 MB in the end (delta: -41.6 MB). Peak memory consumption was 76.6 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); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i