/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 enumeration-timeout=1000 --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/ms1f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:34:56,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:34:56,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:34:56,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:34:56,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:34:56,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:34:56,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:34:56,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:34:56,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:34:56,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:34:56,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:34:56,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:34:56,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:34:56,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:34:56,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:34:56,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:34:56,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:34:56,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:34:56,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:34:56,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:34:56,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:34:56,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:34:56,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:34:56,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:34:56,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:34:56,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:34:56,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:34:56,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:34:56,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:34:56,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:34:56,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:34:56,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:34:56,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:34:56,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:34:56,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:34:56,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:34:56,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:34:56,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:34:56,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:34:56,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:34:56,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:34:56,743 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 12:34:56,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:34:56,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:34:56,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:34:56,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:34:56,796 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:34:56,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:34:56,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:34:56,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:34:56,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:34:56,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:34:56,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:34:56,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:34:56,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:34:56,800 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:34:56,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:34:56,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:34:56,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:34:56,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:34:56,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:34:56,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:34:56,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:34:56,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:34:56,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:34:56,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:34:56,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:34:56,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:34:56,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:34:56,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:34:56,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:34:56,803 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;enumeration-timeout=1000;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=1000;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=1000;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=1000;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:34:57,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:34:57,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:34:57,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:34:57,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:34:57,380 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:34:57,382 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ms1f.c [2020-09-21 12:34:57,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b88898afe/f68e3657d97643f6a51f24f336234458/FLAGc99a8d256 [2020-09-21 12:34:58,021 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:34:58,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/ms1f.c [2020-09-21 12:34:58,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b88898afe/f68e3657d97643f6a51f24f336234458/FLAGc99a8d256 [2020-09-21 12:34:58,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b88898afe/f68e3657d97643f6a51f24f336234458 [2020-09-21 12:34:58,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:34:58,373 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:34:58,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:34:58,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:34:58,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:34:58,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:34:58" (1/1) ... [2020-09-21 12:34:58,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d7e22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58, skipping insertion in model container [2020-09-21 12:34:58,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:34:58" (1/1) ... [2020-09-21 12:34:58,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:34:58,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:34:58,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:34:58,670 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:34:58,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:34:58,707 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:34:58,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58 WrapperNode [2020-09-21 12:34:58,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:34:58,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:34:58,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:34:58,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:34:58,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58" (1/1) ... [2020-09-21 12:34:58,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58" (1/1) ... [2020-09-21 12:34:58,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58" (1/1) ... [2020-09-21 12:34:58,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58" (1/1) ... [2020-09-21 12:34:58,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58" (1/1) ... [2020-09-21 12:34:58,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58" (1/1) ... [2020-09-21 12:34:58,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58" (1/1) ... [2020-09-21 12:34:58,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:34:58,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:34:58,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:34:58,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:34:58,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58" (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 12:34:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:34:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:34:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:34:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 12:34:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:34:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:34:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:34:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:34:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 12:34:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:34:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:34:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:34:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:34:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:34:58,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:34:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:34:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:34:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:34:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:34:59,238 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:34:59,238 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-21 12:34:59,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:34:59 BoogieIcfgContainer [2020-09-21 12:34:59,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:34:59,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:34:59,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:34:59,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:34:59,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:34:58" (1/3) ... [2020-09-21 12:34:59,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1a8c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:34:59, skipping insertion in model container [2020-09-21 12:34:59,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:58" (2/3) ... [2020-09-21 12:34:59,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1a8c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:34:59, skipping insertion in model container [2020-09-21 12:34:59,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:34:59" (3/3) ... [2020-09-21 12:34:59,254 INFO L109 eAbstractionObserver]: Analyzing ICFG ms1f.c [2020-09-21 12:34:59,266 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:34:59,276 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:34:59,301 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:34:59,334 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:34:59,334 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:34:59,335 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:34:59,335 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:34:59,335 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:34:59,335 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:34:59,335 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:34:59,336 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:34:59,360 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-09-21 12:34:59,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-21 12:34:59,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:34:59,368 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] [2020-09-21 12:34:59,369 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:34:59,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:34:59,376 INFO L82 PathProgramCache]: Analyzing trace with hash -432131487, now seen corresponding path program 1 times [2020-09-21 12:34:59,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:34:59,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456144066] [2020-09-21 12:34:59,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:34:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:59,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:59,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:59,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:00,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:35:00,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:35:00,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 633 [2020-09-21 12:35:00,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 12:35:00,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:00,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:35:00,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:35:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:00,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:00,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:35:00,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:00,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:35:00,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:00,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:35:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:00,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:00,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:35:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:00,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:00,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:35:00,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:00,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 12:35:00,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:35:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:00,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:00,341 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 12:35:00,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456144066] [2020-09-21 12:35:00,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:35:00,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:35:00,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267872901] [2020-09-21 12:35:00,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:35:00,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:35:00,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:35:00,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:35:00,377 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2020-09-21 12:35:00,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:35:00,489 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2020-09-21 12:35:00,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:35:00,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-09-21 12:35:00,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:35:00,502 INFO L225 Difference]: With dead ends: 54 [2020-09-21 12:35:00,503 INFO L226 Difference]: Without dead ends: 25 [2020-09-21 12:35:00,507 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 12:35:00,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-09-21 12:35:00,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-09-21 12:35:00,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-09-21 12:35:00,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2020-09-21 12:35:00,558 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 21 [2020-09-21 12:35:00,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:35:00,558 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2020-09-21 12:35:00,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:35:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-09-21 12:35:00,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-21 12:35:00,560 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:35:00,560 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] [2020-09-21 12:35:00,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:35:00,561 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:35:00,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:35:00,561 INFO L82 PathProgramCache]: Analyzing trace with hash -173966049, now seen corresponding path program 1 times [2020-09-21 12:35:00,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:35:00,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157890516] [2020-09-21 12:35:00,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:35:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:00,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:00,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:35:00,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:35:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-09-21 12:35:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:00,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:35:00,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 12:35:00,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:35:00,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:00,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:35:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:00,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:00,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:35:00,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:00,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:35:00,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:35:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:00,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:35:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:00,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:00,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:35:00,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:00,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:35:00,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:00,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:35:00,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:35:00,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:35:00,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:00,992 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 12:35:00,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157890516] [2020-09-21 12:35:00,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:35:00,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:35:00,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77710846] [2020-09-21 12:35:00,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:35:00,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:35:00,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:35:00,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:35:00,999 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 5 states. [2020-09-21 12:35:01,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:35:01,174 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2020-09-21 12:35:01,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:35:01,175 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-09-21 12:35:01,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:35:01,176 INFO L225 Difference]: With dead ends: 37 [2020-09-21 12:35:01,177 INFO L226 Difference]: Without dead ends: 27 [2020-09-21 12:35:01,178 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 [2020-09-21 12:35:01,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-09-21 12:35:01,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-09-21 12:35:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-09-21 12:35:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2020-09-21 12:35:01,197 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 21 [2020-09-21 12:35:01,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:35:01,198 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2020-09-21 12:35:01,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:35:01,198 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2020-09-21 12:35:01,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 12:35:01,200 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:35:01,201 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] [2020-09-21 12:35:01,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:35:01,202 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:35:01,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:35:01,203 INFO L82 PathProgramCache]: Analyzing trace with hash -445719797, now seen corresponding path program 1 times [2020-09-21 12:35:01,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:35:01,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051584863] [2020-09-21 12:35:01,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:35:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 12:35:01,234 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 12:35:01,234 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 12:35:01,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:35:01,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:35:01 BoogieIcfgContainer [2020-09-21 12:35:01,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:35:01,271 INFO L168 Benchmark]: Toolchain (without parser) took 2899.79 ms. Allocated memory was 138.9 MB in the beginning and 233.3 MB in the end (delta: 94.4 MB). Free memory was 100.8 MB in the beginning and 175.2 MB in the end (delta: -74.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,273 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.61 ms. Allocated memory is still 138.9 MB. Free memory was 100.1 MB in the beginning and 89.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,276 INFO L168 Benchmark]: Boogie Preprocessor took 131.84 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 89.7 MB in the beginning and 178.5 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,277 INFO L168 Benchmark]: RCFGBuilder took 402.64 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 162.0 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,280 INFO L168 Benchmark]: TraceAbstraction took 2020.99 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 162.0 MB in the beginning and 175.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,293 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 334.61 ms. Allocated memory is still 138.9 MB. Free memory was 100.1 MB in the beginning and 89.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.84 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 89.7 MB in the beginning and 178.5 MB in the end (delta: -88.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 402.64 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 162.0 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2020.99 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 162.0 MB in the beginning and 175.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 18.8 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] int sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L29] i=0 [L29] COND TRUE i