/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/condaf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:42:13,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:42:13,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:42:13,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:42:13,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:42:13,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:42:13,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:42:13,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:42:13,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:42:13,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:42:13,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:42:13,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:42:13,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:42:13,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:42:13,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:42:13,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:42:13,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:42:13,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:42:13,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:42:13,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:42:13,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:42:13,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:42:13,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:42:13,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:42:13,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 13:42:13,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 13:42:13,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 13:42:13,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 13:42:13,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 13:42:13,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 13:42:13,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 13:42:13,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 13:42:13,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 13:42:13,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 13:42:13,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 13:42:13,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 13:42:13,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 13:42:13,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 13:42:13,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:42:13,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:42:13,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:42:13,899 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 [2020-09-04 13:42:13,944 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:42:13,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:42:13,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:42:13,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:42:13,947 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:42:13,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:42:13,948 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:42:13,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:42:13,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:42:13,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:42:13,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:42:13,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:42:13,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:42:13,950 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:42:13,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:42:13,951 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:42:13,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:42:13,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:42:13,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:42:13,952 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:42:13,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:42:13,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:42:13,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:42:13,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:42:13,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:42:13,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:42:13,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:42:13,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:42:13,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:42:13,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:42:14,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:42:14,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:42:14,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:42:14,436 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:42:14,436 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:42:14,438 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/condaf.c [2020-09-04 13:42:14,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da005aa97/728924be8bc94a3998c453718ad894dd/FLAG8c5a221d3 [2020-09-04 13:42:15,097 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:42:15,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/condaf.c [2020-09-04 13:42:15,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da005aa97/728924be8bc94a3998c453718ad894dd/FLAG8c5a221d3 [2020-09-04 13:42:15,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da005aa97/728924be8bc94a3998c453718ad894dd [2020-09-04 13:42:15,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:42:15,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:42:15,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:42:15,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:42:15,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:42:15,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:42:15" (1/1) ... [2020-09-04 13:42:15,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3add5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15, skipping insertion in model container [2020-09-04 13:42:15,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:42:15" (1/1) ... [2020-09-04 13:42:15,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:42:15,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:42:15,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:42:15,770 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:42:15,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:42:15,819 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:42:15,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15 WrapperNode [2020-09-04 13:42:15,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:42:15,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:42:15,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:42:15,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:42:15,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15" (1/1) ... [2020-09-04 13:42:15,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15" (1/1) ... [2020-09-04 13:42:15,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15" (1/1) ... [2020-09-04 13:42:15,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15" (1/1) ... [2020-09-04 13:42:15,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15" (1/1) ... [2020-09-04 13:42:15,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15" (1/1) ... [2020-09-04 13:42:15,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15" (1/1) ... [2020-09-04 13:42:15,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:42:15,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:42:15,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:42:15,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:42:15,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15" (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 [2020-09-04 13:42:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:42:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:42:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-04 13:42:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 13:42:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:42:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:42:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-04 13:42:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-04 13:42:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 13:42:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:42:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 13:42:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:42:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 13:42:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 13:42:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 13:42:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 13:42:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 13:42:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:42:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:42:16,403 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:42:16,403 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-04 13:42:16,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:42:16 BoogieIcfgContainer [2020-09-04 13:42:16,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:42:16,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:42:16,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:42:16,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:42:16,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:42:15" (1/3) ... [2020-09-04 13:42:16,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7974a58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:42:16, skipping insertion in model container [2020-09-04 13:42:16,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:42:15" (2/3) ... [2020-09-04 13:42:16,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7974a58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:42:16, skipping insertion in model container [2020-09-04 13:42:16,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:42:16" (3/3) ... [2020-09-04 13:42:16,418 INFO L109 eAbstractionObserver]: Analyzing ICFG condaf.c [2020-09-04 13:42:16,430 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:42:16,440 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:42:16,461 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:42:16,486 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:42:16,486 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:42:16,487 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:42:16,487 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:42:16,487 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:42:16,487 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:42:16,487 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:42:16,487 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:42:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-09-04 13:42:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-04 13:42:16,515 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:42:16,516 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] [2020-09-04 13:42:16,517 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:42:16,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:42:16,523 INFO L82 PathProgramCache]: Analyzing trace with hash -88121349, now seen corresponding path program 1 times [2020-09-04 13:42:16,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:42:16,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923354559] [2020-09-04 13:42:16,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:42:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:42:16,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:42:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:42:16,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-04 13:42:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:42:16,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:42:16,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923354559] [2020-09-04 13:42:16,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:42:16,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:42:16,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356047717] [2020-09-04 13:42:16,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:42:16,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:42:16,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:42:16,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 13:42:16,804 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2020-09-04 13:42:16,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:42:16,934 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-09-04 13:42:16,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:42:16,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-09-04 13:42:16,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:42:16,949 INFO L225 Difference]: With dead ends: 60 [2020-09-04 13:42:16,949 INFO L226 Difference]: Without dead ends: 28 [2020-09-04 13:42:16,954 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 [2020-09-04 13:42:16,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-09-04 13:42:17,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-09-04 13:42:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-04 13:42:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2020-09-04 13:42:17,019 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 23 [2020-09-04 13:42:17,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:42:17,020 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2020-09-04 13:42:17,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:42:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2020-09-04 13:42:17,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-04 13:42:17,021 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:42:17,021 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] [2020-09-04 13:42:17,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:42:17,022 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:42:17,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:42:17,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1099238599, now seen corresponding path program 1 times [2020-09-04 13:42:17,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:42:17,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672593986] [2020-09-04 13:42:17,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:42:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:42:17,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:42:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:42:17,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-04 13:42:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:42:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:42:17,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672593986] [2020-09-04 13:42:17,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:42:17,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 13:42:17,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812924288] [2020-09-04 13:42:17,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:42:17,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:42:17,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:42:17,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:42:17,184 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 5 states. [2020-09-04 13:42:17,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:42:17,331 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2020-09-04 13:42:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 13:42:17,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-09-04 13:42:17,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:42:17,333 INFO L225 Difference]: With dead ends: 48 [2020-09-04 13:42:17,333 INFO L226 Difference]: Without dead ends: 35 [2020-09-04 13:42:17,335 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 [2020-09-04 13:42:17,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-09-04 13:42:17,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2020-09-04 13:42:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-04 13:42:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2020-09-04 13:42:17,345 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 23 [2020-09-04 13:42:17,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:42:17,345 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2020-09-04 13:42:17,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:42:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2020-09-04 13:42:17,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-04 13:42:17,347 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:42:17,347 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] [2020-09-04 13:42:17,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:42:17,347 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:42:17,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:42:17,348 INFO L82 PathProgramCache]: Analyzing trace with hash 188437731, now seen corresponding path program 1 times [2020-09-04 13:42:17,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:42:17,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082184810] [2020-09-04 13:42:17,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:42:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:42:17,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:42:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:42:17,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-04 13:42:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:42:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:42:17,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082184810] [2020-09-04 13:42:17,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141097001] [2020-09-04 13:42:17,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:42:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:42:17,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-04 13:42:17,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:42:17,926 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-09-04 13:42:17,927 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-04 13:42:17,932 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-04 13:42:17,932 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-04 13:42:17,932 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-09-04 13:42:18,000 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-09-04 13:42:18,002 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-04 13:42:18,007 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-04 13:42:18,007 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-04 13:42:18,008 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2020-09-04 13:42:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:42:18,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:42:18,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2020-09-04 13:42:18,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73054730] [2020-09-04 13:42:18,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 13:42:18,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:42:18,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 13:42:18,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:42:18,047 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 13 states. [2020-09-04 13:42:18,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:42:18,384 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2020-09-04 13:42:18,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:42:18,385 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2020-09-04 13:42:18,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:42:18,386 INFO L225 Difference]: With dead ends: 51 [2020-09-04 13:42:18,386 INFO L226 Difference]: Without dead ends: 38 [2020-09-04 13:42:18,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2020-09-04 13:42:18,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-09-04 13:42:18,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2020-09-04 13:42:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-04 13:42:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2020-09-04 13:42:18,394 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 30 [2020-09-04 13:42:18,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:42:18,395 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2020-09-04 13:42:18,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 13:42:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-09-04 13:42:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-04 13:42:18,396 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:42:18,397 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] [2020-09-04 13:42:18,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-09-04 13:42:18,611 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:42:18,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:42:18,612 INFO L82 PathProgramCache]: Analyzing trace with hash 446603169, now seen corresponding path program 1 times [2020-09-04 13:42:18,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:42:18,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115115861] [2020-09-04 13:42:18,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:42:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 13:42:18,647 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 13:42:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 13:42:18,678 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 13:42:18,705 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-04 13:42:18,705 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 13:42:18,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 13:42:18,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:42:18 BoogieIcfgContainer [2020-09-04 13:42:18,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:42:18,759 INFO L168 Benchmark]: Toolchain (without parser) took 3295.31 ms. Allocated memory was 148.4 MB in the beginning and 234.4 MB in the end (delta: 86.0 MB). Free memory was 103.8 MB in the beginning and 123.3 MB in the end (delta: -19.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:42:18,760 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 148.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:42:18,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.38 ms. Allocated memory is still 148.4 MB. Free memory was 103.6 MB in the beginning and 92.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-04 13:42:18,765 INFO L168 Benchmark]: Boogie Preprocessor took 154.06 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 92.9 MB in the beginning and 182.5 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-09-04 13:42:18,768 INFO L168 Benchmark]: RCFGBuilder took 433.38 ms. Allocated memory is still 205.0 MB. Free memory was 182.5 MB in the beginning and 164.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2020-09-04 13:42:18,770 INFO L168 Benchmark]: TraceAbstraction took 2345.36 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 164.3 MB in the beginning and 123.3 MB in the end (delta: 41.0 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. [2020-09-04 13:42:18,778 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 148.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 354.38 ms. Allocated memory is still 148.4 MB. Free memory was 103.6 MB in the beginning and 92.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.06 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 92.9 MB in the beginning and 182.5 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 433.38 ms. Allocated memory is still 205.0 MB. Free memory was 182.5 MB in the beginning and 164.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2345.36 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 164.3 MB in the beginning and 123.3 MB in the end (delta: 41.0 MB). Peak memory consumption was 70.4 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; VAL [\old(N)=6, N=0] [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) VAL [\old(N)=0, N=1] [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) VAL [\old(cond)=1, \old(N)=0, N=1] [L11] COND FALSE !(!cond) VAL [\old(cond)=1, \old(N)=0, cond=1, N=1] [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) VAL [\old(N)=0, N=1] [L25] int i; [L26] int sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L29] sum[0] = 0 [L30] i=0 VAL [\old(N)=0, a={-2:0}, i=0, malloc(sizeof(int)*N)={-2:0}, N=1, sum={3:0}] [L30] COND TRUE i