/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 --rcfgbuilder.size.of.a.code.block SingleStatement --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/sina1f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:09:57,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:09:57,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:09:57,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:09:57,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:09:57,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:09:57,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:09:57,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:09:57,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:09:57,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:09:57,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:09:57,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:09:57,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:09:57,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:09:57,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:09:57,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:09:57,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:09:57,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:09:57,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:09:57,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:09:57,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:09:57,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:09:57,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:09:57,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:09:57,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:09:57,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:09:57,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:09:57,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:09:57,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:09:57,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:09:57,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:09:57,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:09:57,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:09:57,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:09:57,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:09:57,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:09:57,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:09:57,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:09:57,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:09:57,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:09:57,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:09:57,614 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 [2020-09-24 16:09:57,640 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:09:57,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:09:57,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:09:57,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:09:57,642 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:09:57,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:09:57,643 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:09:57,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:09:57,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:09:57,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:09:57,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:09:57,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:09:57,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:09:57,644 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:09:57,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:09:57,645 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:09:57,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:09:57,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:09:57,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:09:57,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:09:57,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:09:57,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:09:57,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:09:57,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:09:57,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:09:57,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:09:57,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:09:57,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:09:57,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:09:57,648 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.rcfgbuilder: Size of a code block -> SingleStatement 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; [2020-09-24 16:09:58,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:09:58,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:09:58,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:09:58,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:09:58,192 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:09:58,193 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina1f.c [2020-09-24 16:09:58,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbf424937/002f448abfa24d009bfb0aceda7fb510/FLAGfcdf5d7d9 [2020-09-24 16:09:58,832 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:09:58,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina1f.c [2020-09-24 16:09:58,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbf424937/002f448abfa24d009bfb0aceda7fb510/FLAGfcdf5d7d9 [2020-09-24 16:09:59,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbf424937/002f448abfa24d009bfb0aceda7fb510 [2020-09-24 16:09:59,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:09:59,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:09:59,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:09:59,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:09:59,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:09:59,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:09:59" (1/1) ... [2020-09-24 16:09:59,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25783b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59, skipping insertion in model container [2020-09-24 16:09:59,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:09:59" (1/1) ... [2020-09-24 16:09:59,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:09:59,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:09:59,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:09:59,621 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:09:59,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:09:59,683 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:09:59,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59 WrapperNode [2020-09-24 16:09:59,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:09:59,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:09:59,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:09:59,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:09:59,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ... [2020-09-24 16:09:59,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ... [2020-09-24 16:09:59,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ... [2020-09-24 16:09:59,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ... [2020-09-24 16:09:59,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ... [2020-09-24 16:09:59,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ... [2020-09-24 16:09:59,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ... [2020-09-24 16:09:59,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:09:59,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:09:59,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:09:59,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:09:59,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (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 [2020-09-24 16:09:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:09:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:09:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 16:09:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 16:09:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:09:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:09:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 16:09:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 16:09:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 16:09:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:09:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:09:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:09:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:09:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:09:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:09:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:09:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:09:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:09:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:10:00,359 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:10:00,359 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-24 16:10:00,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:00 BoogieIcfgContainer [2020-09-24 16:10:00,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:10:00,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:10:00,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:10:00,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:10:00,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:09:59" (1/3) ... [2020-09-24 16:10:00,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774372fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:00, skipping insertion in model container [2020-09-24 16:10:00,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (2/3) ... [2020-09-24 16:10:00,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774372fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:00, skipping insertion in model container [2020-09-24 16:10:00,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:00" (3/3) ... [2020-09-24 16:10:00,374 INFO L109 eAbstractionObserver]: Analyzing ICFG sina1f.c [2020-09-24 16:10:00,386 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:10:00,397 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:10:00,420 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:10:00,452 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:10:00,452 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:10:00,452 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:10:00,452 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:10:00,452 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:10:00,452 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:10:00,452 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:10:00,453 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:10:00,473 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-09-24 16:10:00,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 16:10:00,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:10:00,483 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] [2020-09-24 16:10:00,483 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:10:00,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:10:00,490 INFO L82 PathProgramCache]: Analyzing trace with hash 864246722, now seen corresponding path program 1 times [2020-09-24 16:10:00,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:10:00,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351933067] [2020-09-24 16:10:00,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:10:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:00,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:00,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:00,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:00,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:00,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 16:10:00,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:00,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:10:00,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:10:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 16:10:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:10:00,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:10:00,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:10:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:00,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:00,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:00,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:00,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:00,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:10:00,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:10:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:10:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:10:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:10:00,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 16:10:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:00,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:00,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:00,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:00,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:10:00,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:10:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:10:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:10:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:10:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:10:00,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351933067] [2020-09-24 16:10:00,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:10:00,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 16:10:00,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741877580] [2020-09-24 16:10:00,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 16:10:00,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:10:00,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 16:10:00,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 16:10:00,835 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 3 states. [2020-09-24 16:10:01,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:10:01,036 INFO L93 Difference]: Finished difference Result 105 states and 120 transitions. [2020-09-24 16:10:01,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 16:10:01,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-24 16:10:01,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:10:01,051 INFO L225 Difference]: With dead ends: 105 [2020-09-24 16:10:01,051 INFO L226 Difference]: Without dead ends: 52 [2020-09-24 16:10:01,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 16:10:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-09-24 16:10:01,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-09-24 16:10:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-09-24 16:10:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2020-09-24 16:10:01,115 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 33 [2020-09-24 16:10:01,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:10:01,116 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2020-09-24 16:10:01,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 16:10:01,117 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2020-09-24 16:10:01,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 16:10:01,118 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:10:01,119 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] [2020-09-24 16:10:01,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:10:01,119 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:10:01,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:10:01,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1269072019, now seen corresponding path program 1 times [2020-09-24 16:10:01,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:10:01,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763041192] [2020-09-24 16:10:01,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:10:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:01,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:01,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:01,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:01,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:01,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 16:10:01,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:01,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:10:01,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:10:01,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 16:10:01,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 16:10:01,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:01,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:10:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:01,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:01,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:01,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:01,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:01,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:10:01,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:10:01,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:10:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:10:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:10:01,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:10:01,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 16:10:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:10:01,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:10:01,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:10:01,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:10:01,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:10:01,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:10:01,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:10:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:10:01,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:10:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:10:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:10:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:10:01,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:10:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:10:01,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763041192] [2020-09-24 16:10:01,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:10:01,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 16:10:01,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31628011] [2020-09-24 16:10:01,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 16:10:01,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:10:01,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 16:10:01,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:10:01,325 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 5 states. [2020-09-24 16:10:01,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:10:01,561 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2020-09-24 16:10:01,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 16:10:01,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-24 16:10:01,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:10:01,566 INFO L225 Difference]: With dead ends: 77 [2020-09-24 16:10:01,566 INFO L226 Difference]: Without dead ends: 55 [2020-09-24 16:10:01,568 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 [2020-09-24 16:10:01,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-09-24 16:10:01,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2020-09-24 16:10:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-24 16:10:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-09-24 16:10:01,581 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 33 [2020-09-24 16:10:01,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:10:01,582 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-09-24 16:10:01,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 16:10:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-09-24 16:10:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-24 16:10:01,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:10:01,596 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:10:01,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:10:01,597 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:10:01,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:10:01,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1661969402, now seen corresponding path program 1 times [2020-09-24 16:10:01,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:10:01,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689288624] [2020-09-24 16:10:01,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:10:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 16:10:01,642 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 16:10:01,643 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 16:10:01,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:10:01,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:10:01 BoogieIcfgContainer [2020-09-24 16:10:01,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 16:10:01,673 INFO L168 Benchmark]: Toolchain (without parser) took 2465.41 ms. Allocated memory was 144.2 MB in the beginning and 229.1 MB in the end (delta: 84.9 MB). Free memory was 99.9 MB in the beginning and 195.2 MB in the end (delta: -95.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 16:10:01,674 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 144.2 MB. Free memory was 118.7 MB in the beginning and 118.3 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-24 16:10:01,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.02 ms. Allocated memory is still 144.2 MB. Free memory was 99.4 MB in the beginning and 89.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-09-24 16:10:01,676 INFO L168 Benchmark]: Boogie Preprocessor took 164.47 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 89.0 MB in the beginning and 177.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:10:01,677 INFO L168 Benchmark]: RCFGBuilder took 513.96 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 158.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2020-09-24 16:10:01,678 INFO L168 Benchmark]: TraceAbstraction took 1304.03 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 158.1 MB in the beginning and 195.2 MB in the end (delta: -37.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 16:10:01,682 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 144.2 MB. Free memory was 118.7 MB in the beginning and 118.3 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 472.02 ms. Allocated memory is still 144.2 MB. Free memory was 99.4 MB in the beginning and 89.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.47 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 89.0 MB in the beginning and 177.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 513.96 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 158.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1304.03 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 158.1 MB in the beginning and 195.2 MB in the end (delta: -37.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] int sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i