/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/s42iff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:30:46,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:30:46,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:30:46,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:30:46,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:30:46,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:30:46,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:30:46,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:30:46,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:30:46,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:30:46,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:30:46,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:30:46,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:30:46,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:30:46,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:30:46,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:30:46,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:30:46,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:30:46,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:30:46,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:30:46,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:30:46,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:30:46,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:30:46,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:30:46,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:30:46,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:30:46,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:30:46,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:30:46,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:30:46,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:30:46,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:30:46,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:30:46,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:30:46,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:30:46,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:30:46,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:30:46,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:30:46,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:30:46,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:30:46,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:30:46,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:30:46,502 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 11:30:46,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:30:46,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:30:46,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:30:46,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:30:46,551 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:30:46,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:30:46,551 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:30:46,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:30:46,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:30:46,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:30:46,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:30:46,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:30:46,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:30:46,553 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:30:46,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:30:46,553 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:30:46,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:30:46,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:30:46,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:30:46,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:30:46,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:30:46,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:30:46,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:30:46,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:30:46,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:30:46,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:30:46,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:30:46,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:30:46,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:30:46,556 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 11:30:47,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:30:47,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:30:47,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:30:47,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:30:47,066 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:30:47,067 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s42iff.c [2020-09-21 11:30:47,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60e1ec354/f4fc44142b9748e0927bbac4f654ac12/FLAG23cfb12f5 [2020-09-21 11:30:47,624 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:30:47,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s42iff.c [2020-09-21 11:30:47,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60e1ec354/f4fc44142b9748e0927bbac4f654ac12/FLAG23cfb12f5 [2020-09-21 11:30:47,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60e1ec354/f4fc44142b9748e0927bbac4f654ac12 [2020-09-21 11:30:47,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:30:47,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:30:47,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:47,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:30:47,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:30:47,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:47" (1/1) ... [2020-09-21 11:30:47,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44406637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:47, skipping insertion in model container [2020-09-21 11:30:47,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:47" (1/1) ... [2020-09-21 11:30:48,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:30:48,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:30:48,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:48,274 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:30:48,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:48,341 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:30:48,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:48 WrapperNode [2020-09-21 11:30:48,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:48,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:30:48,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:30:48,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:30:48,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:48" (1/1) ... [2020-09-21 11:30:48,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:48" (1/1) ... [2020-09-21 11:30:48,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:48" (1/1) ... [2020-09-21 11:30:48,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:48" (1/1) ... [2020-09-21 11:30:48,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:48" (1/1) ... [2020-09-21 11:30:48,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:48" (1/1) ... [2020-09-21 11:30:48,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:48" (1/1) ... [2020-09-21 11:30:48,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:30:48,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:30:48,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:30:48,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:30:48,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:48" (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 11:30:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:30:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:30:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:30:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 11:30:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:30:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:30:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:30:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:30:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 11:30:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:30:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:30:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:30:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:30:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:30:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:30:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:30:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:30:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:30:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:30:48,924 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:30:48,925 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-21 11:30:48,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:48 BoogieIcfgContainer [2020-09-21 11:30:48,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:30:48,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:30:48,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:30:48,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:30:48,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:30:47" (1/3) ... [2020-09-21 11:30:48,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b48685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:48, skipping insertion in model container [2020-09-21 11:30:48,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:48" (2/3) ... [2020-09-21 11:30:48,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b48685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:48, skipping insertion in model container [2020-09-21 11:30:48,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:48" (3/3) ... [2020-09-21 11:30:48,941 INFO L109 eAbstractionObserver]: Analyzing ICFG s42iff.c [2020-09-21 11:30:48,953 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:30:48,961 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:30:48,982 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:30:49,009 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:30:49,009 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:30:49,009 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:30:49,009 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:30:49,009 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:30:49,010 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:30:49,010 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:30:49,010 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:30:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-09-21 11:30:49,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-21 11:30:49,042 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:49,043 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 11:30:49,044 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:49,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:49,051 INFO L82 PathProgramCache]: Analyzing trace with hash 2033030480, now seen corresponding path program 1 times [2020-09-21 11:30:49,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:49,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874281991] [2020-09-21 11:30:49,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:49,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:49,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:49,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:49,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:49,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:30:49,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:49,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:30:49,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:30:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:49,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:49,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:49,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:49,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:49,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:49,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:49,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:49,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:49,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:49,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:49,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:49,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:49,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:49,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:49,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:49,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:49,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:49,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:49,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:49,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:49,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:49,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:30:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:49,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:49,328 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 11:30:49,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874281991] [2020-09-21 11:30:49,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:49,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:30:49,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430698228] [2020-09-21 11:30:49,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:30:49,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:49,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:30:49,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:49,356 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2020-09-21 11:30:49,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:49,497 INFO L93 Difference]: Finished difference Result 62 states and 81 transitions. [2020-09-21 11:30:49,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:30:49,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-09-21 11:30:49,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:49,510 INFO L225 Difference]: With dead ends: 62 [2020-09-21 11:30:49,510 INFO L226 Difference]: Without dead ends: 29 [2020-09-21 11:30:49,515 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 11:30:49,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-09-21 11:30:49,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-09-21 11:30:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-09-21 11:30:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-09-21 11:30:49,561 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 23 [2020-09-21 11:30:49,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:49,561 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-09-21 11:30:49,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:30:49,562 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-09-21 11:30:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-21 11:30:49,563 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:49,563 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 11:30:49,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:30:49,564 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:49,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:49,565 INFO L82 PathProgramCache]: Analyzing trace with hash 706992569, now seen corresponding path program 1 times [2020-09-21 11:30:49,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:49,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264766186] [2020-09-21 11:30:49,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:49,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:49,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:49,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:49,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:49,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:30:49,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:49,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:30:49,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:49,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:30:49,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:30:49,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:30:49,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:49,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:49,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:49,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:49,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:49,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:49,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:49,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:30:49,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:49,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:49,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:49,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:49,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:49,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:49,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:49,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:49,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:49,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:49,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:30:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:30:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:49,748 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 11:30:49,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264766186] [2020-09-21 11:30:49,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:49,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:30:49,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265727699] [2020-09-21 11:30:49,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:30:49,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:49,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:30:49,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:30:49,753 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 5 states. [2020-09-21 11:30:49,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:49,909 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2020-09-21 11:30:49,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:30:49,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-09-21 11:30:49,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:49,911 INFO L225 Difference]: With dead ends: 51 [2020-09-21 11:30:49,911 INFO L226 Difference]: Without dead ends: 37 [2020-09-21 11:30:49,912 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 11:30:49,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-09-21 11:30:49,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2020-09-21 11:30:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 11:30:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2020-09-21 11:30:49,922 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2020-09-21 11:30:49,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:49,923 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2020-09-21 11:30:49,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:30:49,923 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2020-09-21 11:30:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-21 11:30:49,924 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:49,924 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 11:30:49,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:30:49,925 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:49,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:49,925 INFO L82 PathProgramCache]: Analyzing trace with hash 284203188, now seen corresponding path program 1 times [2020-09-21 11:30:49,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:49,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567552473] [2020-09-21 11:30:49,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:30:49,986 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:30:49,987 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:30:49,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:30:50,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:30:50 BoogieIcfgContainer [2020-09-21 11:30:50,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:30:50,030 INFO L168 Benchmark]: Toolchain (without parser) took 2049.51 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 103.2 MB in the beginning and 95.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:50,032 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-21 11:30:50,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.09 ms. Allocated memory is still 141.0 MB. Free memory was 102.6 MB in the beginning and 91.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:50,034 INFO L168 Benchmark]: Boogie Preprocessor took 137.39 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 91.8 MB in the beginning and 181.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:50,035 INFO L168 Benchmark]: RCFGBuilder took 450.07 ms. Allocated memory is still 204.5 MB. Free memory was 181.8 MB in the beginning and 163.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:50,037 INFO L168 Benchmark]: TraceAbstraction took 1092.50 ms. Allocated memory is still 204.5 MB. Free memory was 162.9 MB in the beginning and 95.1 MB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:50,048 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 360.09 ms. Allocated memory is still 141.0 MB. Free memory was 102.6 MB in the beginning and 91.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.39 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 91.8 MB in the beginning and 181.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 450.07 ms. Allocated memory is still 204.5 MB. Free memory was 181.8 MB in the beginning and 163.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1092.50 ms. Allocated memory is still 204.5 MB. Free memory was 162.9 MB in the beginning and 95.1 MB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 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] long long sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i