/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 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-c90d42b [2020-09-24 19:33:10,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:33:10,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:33:10,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:33:10,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:33:10,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:33:10,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:33:10,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:33:10,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:33:10,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:33:10,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:33:10,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:33:10,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:33:10,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:33:10,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:33:10,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:33:10,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:33:10,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:33:10,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:33:10,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:33:10,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:33:10,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:33:10,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:33:10,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:33:10,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:33:10,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:33:10,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:33:10,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:33:10,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:33:10,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:33:10,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:33:10,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:33:10,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:33:10,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:33:10,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:33:10,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:33:10,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:33:10,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:33:10,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:33:10,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:33:10,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:33:10,659 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 19:33:10,698 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:33:10,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:33:10,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:33:10,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:33:10,700 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:33:10,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:33:10,701 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:33:10,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:33:10,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:33:10,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:33:10,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:33:10,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:33:10,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:33:10,702 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:33:10,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:33:10,703 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:33:10,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:33:10,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:33:10,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:33:10,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:33:10,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:33:10,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:33:10,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:33:10,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:33:10,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:33:10,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:33:10,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:33:10,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:33:10,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:33:10,706 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;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; [2020-09-24 19:33:11,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:33:11,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:33:11,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:33:11,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:33:11,210 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:33:11,211 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp5f.c [2020-09-24 19:33:11,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df46efae5/c8fb59e100464414b10eaa7ef67051f3/FLAGbc82e6fc8 [2020-09-24 19:33:11,863 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:33:11,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/indp5f.c [2020-09-24 19:33:11,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df46efae5/c8fb59e100464414b10eaa7ef67051f3/FLAGbc82e6fc8 [2020-09-24 19:33:12,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df46efae5/c8fb59e100464414b10eaa7ef67051f3 [2020-09-24 19:33:12,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:33:12,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:33:12,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:33:12,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:33:12,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:33:12,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:33:12" (1/1) ... [2020-09-24 19:33:12,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7302eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12, skipping insertion in model container [2020-09-24 19:33:12,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:33:12" (1/1) ... [2020-09-24 19:33:12,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:33:12,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:33:12,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:33:12,540 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:33:12,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:33:12,683 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:33:12,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12 WrapperNode [2020-09-24 19:33:12,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:33:12,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:33:12,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:33:12,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:33:12,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12" (1/1) ... [2020-09-24 19:33:12,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12" (1/1) ... [2020-09-24 19:33:12,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12" (1/1) ... [2020-09-24 19:33:12,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12" (1/1) ... [2020-09-24 19:33:12,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12" (1/1) ... [2020-09-24 19:33:12,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12" (1/1) ... [2020-09-24 19:33:12,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12" (1/1) ... [2020-09-24 19:33:12,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:33:12,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:33:12,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:33:12,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:33:12,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12" (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 19:33:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:33:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:33:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 19:33:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 19:33:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:33:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:33:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 19:33:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 19:33:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 19:33:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:33:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 19:33:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:33:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:33:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 19:33:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:33:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:33:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:33:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:33:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:33:13,260 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:33:13,261 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 19:33:13,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:33:13 BoogieIcfgContainer [2020-09-24 19:33:13,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:33:13,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:33:13,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:33:13,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:33:13,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:33:12" (1/3) ... [2020-09-24 19:33:13,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539cdfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:33:13, skipping insertion in model container [2020-09-24 19:33:13,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:33:12" (2/3) ... [2020-09-24 19:33:13,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539cdfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:33:13, skipping insertion in model container [2020-09-24 19:33:13,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:33:13" (3/3) ... [2020-09-24 19:33:13,278 INFO L109 eAbstractionObserver]: Analyzing ICFG indp5f.c [2020-09-24 19:33:13,290 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:33:13,300 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:33:13,320 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:33:13,352 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:33:13,352 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:33:13,352 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:33:13,352 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:33:13,352 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:33:13,353 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:33:13,353 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:33:13,353 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:33:13,376 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-09-24 19:33:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 19:33:13,385 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:13,387 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] [2020-09-24 19:33:13,387 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:13,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:13,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1581664836, now seen corresponding path program 1 times [2020-09-24 19:33:13,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:13,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527713413] [2020-09-24 19:33:13,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:13,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:13,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:13,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:14,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:14,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:14,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 19:33:14,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:33:14,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 813 [2020-09-24 19:33:14,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:14,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 19:33:14,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:14,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 19:33:14,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:33:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:14,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:14,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:14,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:33:14,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:14,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:33:14,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:14,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:14,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:14,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:14,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:33:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:14,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:14,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:14,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:33:14,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:14,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:33:14,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:14,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:14,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:14,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:14,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:14,509 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 19:33:14,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527713413] [2020-09-24 19:33:14,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:33:14,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 19:33:14,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451645266] [2020-09-24 19:33:14,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 19:33:14,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:33:14,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 19:33:14,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 19:33:14,546 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 3 states. [2020-09-24 19:33:14,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:33:14,805 INFO L93 Difference]: Finished difference Result 143 states and 166 transitions. [2020-09-24 19:33:14,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 19:33:14,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-09-24 19:33:14,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:33:14,821 INFO L225 Difference]: With dead ends: 143 [2020-09-24 19:33:14,822 INFO L226 Difference]: Without dead ends: 68 [2020-09-24 19:33:14,827 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 19:33:14,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-24 19:33:14,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-09-24 19:33:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-09-24 19:33:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2020-09-24 19:33:14,884 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 37 [2020-09-24 19:33:14,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:33:14,884 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2020-09-24 19:33:14,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 19:33:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2020-09-24 19:33:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 19:33:14,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:14,887 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] [2020-09-24 19:33:14,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:33:14,887 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:14,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:14,888 INFO L82 PathProgramCache]: Analyzing trace with hash 44636293, now seen corresponding path program 1 times [2020-09-24 19:33:14,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:14,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467579914] [2020-09-24 19:33:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:14,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:14,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:14,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:15,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:15,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:15,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:15,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 19:33:15,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:33:15,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-24 19:33:15,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:15,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:33:15,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:33:15,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 19:33:15,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-24 19:33:15,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:33:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:15,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:15,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:15,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:33:15,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:15,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:33:15,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:15,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:33:15,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:15,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:33:15,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:16,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:33:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:33:16,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:33:16,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:33:16,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:33:16,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:33:16,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:33:16,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:33:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:33:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:33:16,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:33:16,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:33:16,025 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 19:33:16,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467579914] [2020-09-24 19:33:16,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:33:16,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 19:33:16,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775303320] [2020-09-24 19:33:16,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 19:33:16,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:33:16,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 19:33:16,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 19:33:16,031 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand 5 states. [2020-09-24 19:33:16,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:33:16,331 INFO L93 Difference]: Finished difference Result 113 states and 125 transitions. [2020-09-24 19:33:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 19:33:16,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-09-24 19:33:16,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:33:16,336 INFO L225 Difference]: With dead ends: 113 [2020-09-24 19:33:16,336 INFO L226 Difference]: Without dead ends: 73 [2020-09-24 19:33:16,338 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 19:33:16,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-09-24 19:33:16,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-09-24 19:33:16,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-09-24 19:33:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2020-09-24 19:33:16,361 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 37 [2020-09-24 19:33:16,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:33:16,361 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2020-09-24 19:33:16,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 19:33:16,364 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2020-09-24 19:33:16,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-24 19:33:16,366 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:33:16,366 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, 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 19:33:16,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:33:16,368 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:33:16,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:33:16,369 INFO L82 PathProgramCache]: Analyzing trace with hash -25889220, now seen corresponding path program 1 times [2020-09-24 19:33:16,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:33:16,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381755625] [2020-09-24 19:33:16,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:33:16,390 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-24 19:33:16,390 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-24 19:33:16,390 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 19:33:16,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:33:16,431 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-24 19:33:16,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:33:16 BoogieIcfgContainer [2020-09-24 19:33:16,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:33:16,438 INFO L168 Benchmark]: Toolchain (without parser) took 4224.68 ms. Allocated memory was 140.5 MB in the beginning and 242.7 MB in the end (delta: 102.2 MB). Free memory was 103.4 MB in the beginning and 201.5 MB in the end (delta: -98.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:16,440 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-09-24 19:33:16,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.57 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 103.0 MB in the beginning and 182.1 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:16,443 INFO L168 Benchmark]: Boogie Preprocessor took 80.36 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 179.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:16,444 INFO L168 Benchmark]: RCFGBuilder took 500.47 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 157.3 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-09-24 19:33:16,446 INFO L168 Benchmark]: TraceAbstraction took 3164.22 ms. Allocated memory was 203.4 MB in the beginning and 242.7 MB in the end (delta: 39.3 MB). Free memory was 157.3 MB in the beginning and 201.5 MB in the end (delta: -44.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 19:33:16,455 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 466.57 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 103.0 MB in the beginning and 182.1 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.36 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 179.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.47 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 157.3 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3164.22 ms. Allocated memory was 203.4 MB in the beginning and 242.7 MB in the end (delta: 39.3 MB). Free memory was 157.3 MB in the beginning and 201.5 MB in the end (delta: -44.2 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