/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 enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/s2iff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 05:18:38,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 05:18:38,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 05:18:38,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 05:18:38,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 05:18:38,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 05:18:38,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 05:18:38,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 05:18:38,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 05:18:38,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 05:18:38,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 05:18:38,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 05:18:38,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 05:18:38,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 05:18:38,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 05:18:38,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 05:18:38,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 05:18:38,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 05:18:38,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 05:18:38,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 05:18:38,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 05:18:38,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 05:18:38,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 05:18:38,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 05:18:38,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 05:18:38,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 05:18:38,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 05:18:38,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 05:18:38,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 05:18:38,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 05:18:38,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 05:18:38,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 05:18:38,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 05:18:38,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 05:18:38,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 05:18:38,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 05:18:38,307 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 [2020-08-19 05:18:38,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 05:18:38,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 05:18:38,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 05:18:38,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 05:18:38,353 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 05:18:38,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 05:18:38,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 05:18:38,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 05:18:38,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 05:18:38,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 05:18:38,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 05:18:38,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 05:18:38,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 05:18:38,356 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 05:18:38,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 05:18:38,356 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 05:18:38,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 05:18:38,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 05:18:38,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 05:18:38,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 05:18:38,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 05:18:38,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 05:18:38,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 05:18:38,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 05:18:38,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 05:18:38,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 05:18:38,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 05:18:38,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 05:18:38,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 05:18:38,359 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 -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; [2020-08-19 05:18:38,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 05:18:38,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 05:18:38,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 05:18:38,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 05:18:38,629 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 05:18:38,630 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s2iff.c [2020-08-19 05:18:38,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0379c91b/6b0a03f9927e4bd4a3bbe1064f5cb8ba/FLAG14e27e8de [2020-08-19 05:18:39,145 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 05:18:39,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s2iff.c [2020-08-19 05:18:39,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0379c91b/6b0a03f9927e4bd4a3bbe1064f5cb8ba/FLAG14e27e8de [2020-08-19 05:18:39,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0379c91b/6b0a03f9927e4bd4a3bbe1064f5cb8ba [2020-08-19 05:18:39,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 05:18:39,518 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 05:18:39,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 05:18:39,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 05:18:39,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 05:18:39,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:18:39" (1/1) ... [2020-08-19 05:18:39,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255d8a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39, skipping insertion in model container [2020-08-19 05:18:39,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:18:39" (1/1) ... [2020-08-19 05:18:39,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 05:18:39,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 05:18:39,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:18:39,731 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 05:18:39,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:18:39,770 INFO L208 MainTranslator]: Completed translation [2020-08-19 05:18:39,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39 WrapperNode [2020-08-19 05:18:39,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 05:18:39,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 05:18:39,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 05:18:39,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 05:18:39,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39" (1/1) ... [2020-08-19 05:18:39,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39" (1/1) ... [2020-08-19 05:18:39,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39" (1/1) ... [2020-08-19 05:18:39,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39" (1/1) ... [2020-08-19 05:18:39,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39" (1/1) ... [2020-08-19 05:18:39,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39" (1/1) ... [2020-08-19 05:18:39,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39" (1/1) ... [2020-08-19 05:18:39,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 05:18:39,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 05:18:39,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 05:18:39,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 05:18:39,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 05:18:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 05:18:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 05:18:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-19 05:18:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-19 05:18:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 05:18:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 05:18:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-19 05:18:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-19 05:18:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-19 05:18:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 05:18:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 05:18:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 05:18:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 05:18:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 05:18:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 05:18:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 05:18:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 05:18:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 05:18:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 05:18:40,243 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 05:18:40,243 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-08-19 05:18:40,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:18:40 BoogieIcfgContainer [2020-08-19 05:18:40,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 05:18:40,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 05:18:40,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 05:18:40,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 05:18:40,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 05:18:39" (1/3) ... [2020-08-19 05:18:40,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4915ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:18:40, skipping insertion in model container [2020-08-19 05:18:40,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:18:39" (2/3) ... [2020-08-19 05:18:40,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4915ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:18:40, skipping insertion in model container [2020-08-19 05:18:40,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:18:40" (3/3) ... [2020-08-19 05:18:40,256 INFO L109 eAbstractionObserver]: Analyzing ICFG s2iff.c [2020-08-19 05:18:40,266 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 05:18:40,273 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 05:18:40,290 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 05:18:40,318 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 05:18:40,318 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 05:18:40,318 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 05:18:40,318 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 05:18:40,318 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 05:18:40,319 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 05:18:40,319 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 05:18:40,319 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 05:18:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-08-19 05:18:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-08-19 05:18:40,341 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:18:40,341 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] [2020-08-19 05:18:40,342 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:18:40,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:18:40,347 INFO L82 PathProgramCache]: Analyzing trace with hash -432131487, now seen corresponding path program 1 times [2020-08-19 05:18:40,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:18:40,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1228693124] [2020-08-19 05:18:40,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:18:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:18:40,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:18:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:18:40,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 05:18:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:18:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:18:40,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1228693124] [2020-08-19 05:18:40,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:18:40,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-19 05:18:40,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875728638] [2020-08-19 05:18:40,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-19 05:18:40,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:18:40,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-19 05:18:40,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 05:18:40,581 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2020-08-19 05:18:40,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:18:40,692 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2020-08-19 05:18:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-19 05:18:40,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-08-19 05:18:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:18:40,703 INFO L225 Difference]: With dead ends: 54 [2020-08-19 05:18:40,703 INFO L226 Difference]: Without dead ends: 25 [2020-08-19 05:18:40,707 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 [2020-08-19 05:18:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-08-19 05:18:40,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-08-19 05:18:40,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-08-19 05:18:40,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2020-08-19 05:18:40,747 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 21 [2020-08-19 05:18:40,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:18:40,747 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2020-08-19 05:18:40,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-19 05:18:40,748 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-08-19 05:18:40,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-08-19 05:18:40,749 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:18:40,749 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] [2020-08-19 05:18:40,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 05:18:40,750 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:18:40,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:18:40,751 INFO L82 PathProgramCache]: Analyzing trace with hash -173966049, now seen corresponding path program 1 times [2020-08-19 05:18:40,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:18:40,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679434673] [2020-08-19 05:18:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:18:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:18:40,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:18:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:18:40,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 05:18:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:18:40,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:18:40,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679434673] [2020-08-19 05:18:40,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:18:40,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 05:18:40,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672593110] [2020-08-19 05:18:40,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 05:18:40,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:18:40,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 05:18:40,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 05:18:40,868 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 5 states. [2020-08-19 05:18:40,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:18:40,973 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2020-08-19 05:18:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-19 05:18:40,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-08-19 05:18:40,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:18:40,975 INFO L225 Difference]: With dead ends: 40 [2020-08-19 05:18:40,975 INFO L226 Difference]: Without dead ends: 30 [2020-08-19 05:18:40,976 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 [2020-08-19 05:18:40,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-19 05:18:40,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2020-08-19 05:18:40,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-08-19 05:18:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2020-08-19 05:18:40,984 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 21 [2020-08-19 05:18:40,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:18:40,984 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2020-08-19 05:18:40,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 05:18:40,985 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2020-08-19 05:18:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-19 05:18:40,986 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:18:40,986 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] [2020-08-19 05:18:40,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 05:18:40,986 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:18:40,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:18:40,987 INFO L82 PathProgramCache]: Analyzing trace with hash -445719797, now seen corresponding path program 1 times [2020-08-19 05:18:40,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:18:40,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312305451] [2020-08-19 05:18:40,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:18:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:18:41,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:18:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:18:41,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 05:18:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:18:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:18:41,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312305451] [2020-08-19 05:18:41,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:18:41,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 05:18:41,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678329219] [2020-08-19 05:18:41,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 05:18:41,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:18:41,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 05:18:41,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-19 05:18:41,320 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 12 states. [2020-08-19 05:18:41,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:18:41,782 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2020-08-19 05:18:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-19 05:18:41,783 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-08-19 05:18:41,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:18:41,786 INFO L225 Difference]: With dead ends: 42 [2020-08-19 05:18:41,786 INFO L226 Difference]: Without dead ends: 36 [2020-08-19 05:18:41,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2020-08-19 05:18:41,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-08-19 05:18:41,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2020-08-19 05:18:41,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-08-19 05:18:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-08-19 05:18:41,796 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 26 [2020-08-19 05:18:41,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:18:41,796 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-08-19 05:18:41,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 05:18:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-08-19 05:18:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-19 05:18:41,797 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:18:41,797 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] [2020-08-19 05:18:41,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 05:18:41,798 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:18:41,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:18:41,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1255066423, now seen corresponding path program 1 times [2020-08-19 05:18:41,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:18:41,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21257860] [2020-08-19 05:18:41,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:18:41,813 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-08-19 05:18:41,813 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-08-19 05:18:41,813 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-19 05:18:41,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 05:18:41,836 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-08-19 05:18:41,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 05:18:41 BoogieIcfgContainer [2020-08-19 05:18:41,836 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 05:18:41,841 INFO L168 Benchmark]: Toolchain (without parser) took 2320.30 ms. Allocated memory was 141.6 MB in the beginning and 232.8 MB in the end (delta: 91.2 MB). Free memory was 104.7 MB in the beginning and 137.6 MB in the end (delta: -32.9 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. [2020-08-19 05:18:41,844 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 05:18:41,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.75 ms. Allocated memory is still 141.6 MB. Free memory was 104.3 MB in the beginning and 94.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-08-19 05:18:41,848 INFO L168 Benchmark]: Boogie Preprocessor took 120.43 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 94.0 MB in the beginning and 182.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-08-19 05:18:41,849 INFO L168 Benchmark]: RCFGBuilder took 355.32 ms. Allocated memory is still 205.0 MB. Free memory was 182.4 MB in the beginning and 165.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2020-08-19 05:18:41,851 INFO L168 Benchmark]: TraceAbstraction took 1587.22 ms. Allocated memory was 205.0 MB in the beginning and 232.8 MB in the end (delta: 27.8 MB). Free memory was 164.7 MB in the beginning and 137.6 MB in the end (delta: 27.1 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. [2020-08-19 05:18:41,858 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.75 ms. Allocated memory is still 141.6 MB. Free memory was 104.3 MB in the beginning and 94.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.43 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 94.0 MB in the beginning and 182.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 355.32 ms. Allocated memory is still 205.0 MB. Free memory was 182.4 MB in the beginning and 165.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1587.22 ms. Allocated memory was 205.0 MB in the beginning and 232.8 MB in the end (delta: 27.8 MB). Free memory was 164.7 MB in the beginning and 137.6 MB in the end (delta: 27.1 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i