/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/indp5f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:34:52,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:34:52,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:34:52,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:34:52,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:34:52,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:34:52,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:34:52,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:34:52,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:34:52,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:34:52,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:34:52,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:34:52,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:34:52,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:34:52,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:34:52,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:34:52,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:34:52,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:34:52,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:34:52,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:34:52,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:34:52,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:34:52,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:34:52,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:34:52,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:34:52,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:34:52,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:34:52,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:34:52,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:34:52,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:34:52,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:34:52,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:34:52,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:34:52,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:34:52,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:34:52,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:34:52,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:34:52,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:34:52,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:34:52,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:34:52,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:34:52,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:34:52,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:34:52,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:34:52,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:34:52,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:34:52,518 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:34:52,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:34:52,519 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:34:52,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:34:52,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:34:52,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:34:52,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:34:52,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:34:52,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:34:52,520 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:34:52,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:34:52,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:34:52,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:34:52,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:34:52,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:34:52,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:34:52,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:34:52,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:34:52,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:34:52,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:34:52,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:34:52,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:34:52,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:34:52,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:34:52,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:34:52,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:34:52,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:34:52,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:34:53,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:34:53,002 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:34:53,002 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:34:53,004 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp5f.c [2020-09-21 12:34:53,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96c41871d/9edc5ed591ae4d5d9ec607d506788f6d/FLAG05d3ff36c [2020-09-21 12:34:53,617 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:34:53,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/indp5f.c [2020-09-21 12:34:53,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96c41871d/9edc5ed591ae4d5d9ec607d506788f6d/FLAG05d3ff36c [2020-09-21 12:34:53,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96c41871d/9edc5ed591ae4d5d9ec607d506788f6d [2020-09-21 12:34:53,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:34:53,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:34:53,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:34:53,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:34:53,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:34:53,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,962 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 21.09 12:34:53, skipping insertion in model container [2020-09-21 12:34:53,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:34:53" (1/1) ... [2020-09-21 12:34:53,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:34:53,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:34:54,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:34:54,227 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:34:54,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:34:54,271 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:34:54,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:54 WrapperNode [2020-09-21 12:34:54,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:34:54,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:34:54,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:34:54,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:34:54,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:54" (1/1) ... [2020-09-21 12:34:54,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:54" (1/1) ... [2020-09-21 12:34:54,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:54" (1/1) ... [2020-09-21 12:34:54,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:54" (1/1) ... [2020-09-21 12:34:54,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:54" (1/1) ... [2020-09-21 12:34:54,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:54" (1/1) ... [2020-09-21 12:34:54,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:54" (1/1) ... [2020-09-21 12:34:54,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:34:54,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:34:54,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:34:54,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:34:54,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:34:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:34:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:34:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:34:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 12:34:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:34:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:34:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:34:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:34:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 12:34:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:34:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:34:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:34:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:34:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:34:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:34:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:34:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:34:54,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:34:54,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:34:54,826 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:34:54,827 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:34:54,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:34:54 BoogieIcfgContainer [2020-09-21 12:34:54,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:34:54,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:34:54,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:34:54,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:34:54,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:34:53" (1/3) ... [2020-09-21 12:34:54,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3afb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:34:54, skipping insertion in model container [2020-09-21 12:34:54,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:54" (2/3) ... [2020-09-21 12:34:54,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c3afb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:34:54, skipping insertion in model container [2020-09-21 12:34:54,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:34:54" (3/3) ... [2020-09-21 12:34:54,854 INFO L109 eAbstractionObserver]: Analyzing ICFG indp5f.c [2020-09-21 12:34:54,884 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:34:54,898 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:34:54,932 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:34:54,964 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:34:54,964 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:34:54,964 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:34:54,965 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:34:54,965 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:34:54,965 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:34:54,965 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:34:54,965 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:34:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-09-21 12:34:54,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 12:34:54,997 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:34:54,998 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] [2020-09-21 12:34:54,999 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:34:55,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:34:55,005 INFO L82 PathProgramCache]: Analyzing trace with hash -976607933, now seen corresponding path program 1 times [2020-09-21 12:34:55,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:34:55,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582460969] [2020-09-21 12:34:55,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:34:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:55,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:55,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:55,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:55,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:55,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:55,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:56,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:34:56,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:34:56,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:34:56,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:56,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:56,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:34:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:56,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:34:56,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:34:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:56,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:56,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:34:56,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:34:56,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:34:56,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:56,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:56,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:34:56,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:56,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:56,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:34:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:56,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:56,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:34:56,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:34:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:34:56,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:56,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:56,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:34:56,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:56,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:56,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:34:56,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582460969] [2020-09-21 12:34:56,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:34:56,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:34:56,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174854102] [2020-09-21 12:34:56,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:34:56,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:34:56,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:34:56,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:34:56,331 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 3 states. [2020-09-21 12:34:56,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:34:56,498 INFO L93 Difference]: Finished difference Result 70 states and 93 transitions. [2020-09-21 12:34:56,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:34:56,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-09-21 12:34:56,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:34:56,512 INFO L225 Difference]: With dead ends: 70 [2020-09-21 12:34:56,512 INFO L226 Difference]: Without dead ends: 33 [2020-09-21 12:34:56,517 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:34:56,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-21 12:34:56,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-09-21 12:34:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-09-21 12:34:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-09-21 12:34:56,569 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 27 [2020-09-21 12:34:56,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:34:56,569 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-09-21 12:34:56,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:34:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-09-21 12:34:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 12:34:56,571 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:34:56,571 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] [2020-09-21 12:34:56,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:34:56,572 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:34:56,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:34:56,573 INFO L82 PathProgramCache]: Analyzing trace with hash -714487667, now seen corresponding path program 1 times [2020-09-21 12:34:56,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:34:56,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199679851] [2020-09-21 12:34:56,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:34:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:56,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:56,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:57,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:57,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:34:57,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:34:57,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:34:57,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:57,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:34:57,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 12:34:57,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:34:57,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:57,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:34:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:57,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:57,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:57,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:34:57,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:34:57,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:34:57,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:34:57,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:57,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:57,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:34:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:57,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:57,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:57,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:34:57,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:34:57,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:34:57,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:34:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:34:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:34:57,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:34:57,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199679851] [2020-09-21 12:34:57,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:34:57,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:34:57,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720582073] [2020-09-21 12:34:57,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:34:57,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:34:57,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:34:57,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:34:57,675 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 5 states. [2020-09-21 12:34:57,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:34:57,869 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2020-09-21 12:34:57,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:34:57,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-09-21 12:34:57,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:34:57,871 INFO L225 Difference]: With dead ends: 56 [2020-09-21 12:34:57,871 INFO L226 Difference]: Without dead ends: 38 [2020-09-21 12:34:57,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:34:57,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-09-21 12:34:57,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-09-21 12:34:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-09-21 12:34:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-09-21 12:34:57,882 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 27 [2020-09-21 12:34:57,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:34:57,883 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-09-21 12:34:57,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:34:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-09-21 12:34:57,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 12:34:57,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:34:57,885 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, 1, 1, 1, 1, 1, 1] [2020-09-21 12:34:57,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:34:57,885 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:34:57,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:34:57,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1064141225, now seen corresponding path program 1 times [2020-09-21 12:34:57,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:34:57,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741433473] [2020-09-21 12:34:57,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:34:57,898 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-21 12:34:57,898 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-21 12:34:57,899 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 12:34:57,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:34:57,927 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-21 12:34:57,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:34:57 BoogieIcfgContainer [2020-09-21 12:34:57,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:34:57,931 INFO L168 Benchmark]: Toolchain (without parser) took 3983.30 ms. Allocated memory was 138.9 MB in the beginning and 246.9 MB in the end (delta: 108.0 MB). Free memory was 102.5 MB in the beginning and 210.2 MB in the end (delta: -107.7 MB). Peak memory consumption was 321.7 kB. Max. memory is 7.1 GB. [2020-09-21 12:34:57,932 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:34:57,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.98 ms. Allocated memory is still 138.9 MB. Free memory was 101.8 MB in the beginning and 90.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:57,934 INFO L168 Benchmark]: Boogie Preprocessor took 132.08 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 90.7 MB in the beginning and 179.7 MB in the end (delta: -89.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:57,935 INFO L168 Benchmark]: RCFGBuilder took 430.02 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 160.7 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:34:57,936 INFO L168 Benchmark]: TraceAbstraction took 3086.24 ms. Allocated memory was 202.4 MB in the beginning and 246.9 MB in the end (delta: 44.6 MB). Free memory was 160.0 MB in the beginning and 210.2 MB in the end (delta: -50.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:34:57,940 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 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 320.98 ms. Allocated memory is still 138.9 MB. Free memory was 101.8 MB in the beginning and 90.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.08 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 90.7 MB in the beginning and 179.7 MB in the end (delta: -89.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 430.02 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 160.7 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3086.24 ms. Allocated memory was 202.4 MB in the beginning and 246.9 MB in the end (delta: 44.6 MB). Free memory was 160.0 MB in the beginning and 210.2 MB in the end (delta: -50.2 MB). There was no memory consumed. 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 *a = malloc(sizeof(long long)*N); [L27] long long sum[1]; [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i