/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 SequenceOfStatements --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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/indp5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 05:06:56,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 05:06:56,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 05:06:56,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 05:06:56,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 05:06:56,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 05:06:56,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 05:06:56,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 05:06:56,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 05:06:56,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 05:06:56,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 05:06:56,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 05:06:56,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 05:06:56,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 05:06:56,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 05:06:56,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 05:06:56,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 05:06:56,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 05:06:56,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 05:06:56,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 05:06:56,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 05:06:56,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 05:06:56,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 05:06:56,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 05:06:56,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 05:06:56,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 05:06:56,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 05:06:56,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 05:06:56,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 05:06:56,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 05:06:56,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 05:06:56,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 05:06:56,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 05:06:56,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 05:06:56,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 05:06:56,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 05:06:56,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 05:06:56,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 05:06:56,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 05:06:56,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 05:06:56,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 05:06:56,870 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 [2020-10-13 05:06:56,916 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 05:06:56,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 05:06:56,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 05:06:56,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 05:06:56,920 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 05:06:56,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 05:06:56,920 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 05:06:56,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 05:06:56,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 05:06:56,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 05:06:56,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 05:06:56,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 05:06:56,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 05:06:56,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 05:06:56,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 05:06:56,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 05:06:56,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 05:06:56,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 05:06:56,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 05:06:56,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 05:06:56,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 05:06:56,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 05:06:56,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 05:06:56,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 05:06:56,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 05:06:56,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 05:06:56,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 05:06:56,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 05:06:56,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 05:06:56,926 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 -> SequenceOfStatements 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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 05:06:57,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 05:06:57,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 05:06:57,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 05:06:57,266 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 05:06:57,269 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 05:06:57,269 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp5.c [2020-10-13 05:06:57,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/024d4a748/33cb920995234c35b25237e1320d62d2/FLAGd9dc9a695 [2020-10-13 05:06:57,730 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 05:06:57,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/indp5.c [2020-10-13 05:06:57,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/024d4a748/33cb920995234c35b25237e1320d62d2/FLAGd9dc9a695 [2020-10-13 05:06:57,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/024d4a748/33cb920995234c35b25237e1320d62d2 [2020-10-13 05:06:57,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 05:06:57,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 05:06:57,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 05:06:57,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 05:06:57,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 05:06:57,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:06:57" (1/1) ... [2020-10-13 05:06:57,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3ce8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:57, skipping insertion in model container [2020-10-13 05:06:57,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:06:57" (1/1) ... [2020-10-13 05:06:57,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 05:06:57,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 05:06:57,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:06:57,998 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 05:06:58,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:06:58,135 INFO L208 MainTranslator]: Completed translation [2020-10-13 05:06:58,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:58 WrapperNode [2020-10-13 05:06:58,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 05:06:58,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 05:06:58,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 05:06:58,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 05:06:58,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:58" (1/1) ... [2020-10-13 05:06:58,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:58" (1/1) ... [2020-10-13 05:06:58,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:58" (1/1) ... [2020-10-13 05:06:58,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:58" (1/1) ... [2020-10-13 05:06:58,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:58" (1/1) ... [2020-10-13 05:06:58,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:58" (1/1) ... [2020-10-13 05:06:58,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:58" (1/1) ... [2020-10-13 05:06:58,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 05:06:58,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 05:06:58,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 05:06:58,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 05:06:58,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:58" (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 [2020-10-13 05:06:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 05:06:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 05:06:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 05:06:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-13 05:06:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 05:06:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 05:06:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 05:06:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 05:06:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-13 05:06:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 05:06:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 05:06:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 05:06:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 05:06:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 05:06:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 05:06:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 05:06:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 05:06:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 05:06:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 05:06:58,631 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 05:06:58,632 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 05:06:58,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:06:58 BoogieIcfgContainer [2020-10-13 05:06:58,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 05:06:58,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 05:06:58,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 05:06:58,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 05:06:58,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:06:57" (1/3) ... [2020-10-13 05:06:58,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7847ba3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:06:58, skipping insertion in model container [2020-10-13 05:06:58,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:58" (2/3) ... [2020-10-13 05:06:58,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7847ba3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:06:58, skipping insertion in model container [2020-10-13 05:06:58,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:06:58" (3/3) ... [2020-10-13 05:06:58,646 INFO L109 eAbstractionObserver]: Analyzing ICFG indp5.c [2020-10-13 05:06:58,657 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 05:06:58,667 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 05:06:58,683 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 05:06:58,710 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 05:06:58,711 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 05:06:58,711 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 05:06:58,711 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 05:06:58,711 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 05:06:58,711 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 05:06:58,712 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 05:06:58,712 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 05:06:58,737 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-10-13 05:06:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 05:06:58,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:06:58,746 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] [2020-10-13 05:06:58,746 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:06:58,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:06:58,753 INFO L82 PathProgramCache]: Analyzing trace with hash -976607933, now seen corresponding path program 1 times [2020-10-13 05:06:58,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:06:58,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148823372] [2020-10-13 05:06:58,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:06:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:06:58,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:58,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:58,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:59,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:59,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:59,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:07:00,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:07:00,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 05:07:00,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 05:07:00,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1153 [2020-10-13 05:07:00,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:07:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:07:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 05:07:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:07:00,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 05:07:00,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:07:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:07:00,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:07:00,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:07:00,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:07:00,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:07:00,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:07:00,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:07:00,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:07:00,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:07:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:07:00,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 05:07:00,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:07:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:07:00,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:07:00,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:07:00,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:07:00,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:07:00,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:07:00,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:07:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:07:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 05:07:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:07:00,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:07:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:07:00,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148823372] [2020-10-13 05:07:00,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:07:00,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:07:00,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150837260] [2020-10-13 05:07:00,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:07:00,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:07:00,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:07:00,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:07:00,225 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 3 states. [2020-10-13 05:07:00,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:07:00,442 INFO L93 Difference]: Finished difference Result 70 states and 93 transitions. [2020-10-13 05:07:00,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:07:00,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-13 05:07:00,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:07:00,458 INFO L225 Difference]: With dead ends: 70 [2020-10-13 05:07:00,458 INFO L226 Difference]: Without dead ends: 33 [2020-10-13 05:07:00,462 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 [2020-10-13 05:07:00,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-13 05:07:00,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-13 05:07:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-13 05:07:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-10-13 05:07:00,514 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 27 [2020-10-13 05:07:00,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:07:00,514 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-10-13 05:07:00,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:07:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-10-13 05:07:00,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 05:07:00,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:07:00,517 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] [2020-10-13 05:07:00,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 05:07:00,519 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:07:00,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:07:00,520 INFO L82 PathProgramCache]: Analyzing trace with hash -714487667, now seen corresponding path program 1 times [2020-10-13 05:07:00,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:07:00,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029066140] [2020-10-13 05:07:00,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:07:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:07:00,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:07:00,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:07:00,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:07:00,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:07:00,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:07:01,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:07:01,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 05:07:01,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 05:07:01,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-10-13 05:07:01,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:07:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 05:07:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 05:07:01,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 05:07:01,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-13 05:07:01,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:07:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:07:01,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:07:01,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:07:01,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:07:01,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:07:01,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:07:01,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:07:01,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:07:01,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:07:01,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:07:01,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:07:01,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:07:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:07:01,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:07:01,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:07:01,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:07:01,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:07:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:07:01,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:07:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:07:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:07:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:07:01,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:07:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:07:01,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029066140] [2020-10-13 05:07:01,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:07:01,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 05:07:01,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153834552] [2020-10-13 05:07:01,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 05:07:01,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:07:01,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 05:07:01,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 05:07:01,623 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 5 states. [2020-10-13 05:07:01,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:07:01,829 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2020-10-13 05:07:01,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 05:07:01,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-13 05:07:01,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:07:01,831 INFO L225 Difference]: With dead ends: 56 [2020-10-13 05:07:01,832 INFO L226 Difference]: Without dead ends: 38 [2020-10-13 05:07:01,833 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 [2020-10-13 05:07:01,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-13 05:07:01,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-13 05:07:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-13 05:07:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-10-13 05:07:01,843 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 27 [2020-10-13 05:07:01,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:07:01,843 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-10-13 05:07:01,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 05:07:01,843 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-10-13 05:07:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-13 05:07:01,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:07:01,845 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] [2020-10-13 05:07:01,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 05:07:01,846 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:07:01,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:07:01,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1064141225, now seen corresponding path program 1 times [2020-10-13 05:07:01,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:07:01,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [432942901] [2020-10-13 05:07:01,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:07:01,862 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-13 05:07:01,862 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-13 05:07:01,863 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 05:07:01,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 05:07:01,892 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-13 05:07:01,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:07:01 BoogieIcfgContainer [2020-10-13 05:07:01,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 05:07:01,896 INFO L168 Benchmark]: Toolchain (without parser) took 4128.48 ms. Allocated memory was 148.4 MB in the beginning and 242.7 MB in the end (delta: 94.4 MB). Free memory was 104.2 MB in the beginning and 108.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2020-10-13 05:07:01,897 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-13 05:07:01,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.32 ms. Allocated memory was 148.4 MB in the beginning and 207.6 MB in the end (delta: 59.2 MB). Free memory was 103.7 MB in the beginning and 186.1 MB in the end (delta: -82.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-10-13 05:07:01,900 INFO L168 Benchmark]: Boogie Preprocessor took 48.19 ms. Allocated memory is still 207.6 MB. Free memory was 186.1 MB in the beginning and 183.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-10-13 05:07:01,901 INFO L168 Benchmark]: RCFGBuilder took 451.39 ms. Allocated memory is still 207.6 MB. Free memory was 183.9 MB in the beginning and 165.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2020-10-13 05:07:01,902 INFO L168 Benchmark]: TraceAbstraction took 3254.73 ms. Allocated memory was 207.6 MB in the beginning and 242.7 MB in the end (delta: 35.1 MB). Free memory was 164.3 MB in the beginning and 108.8 MB in the end (delta: 55.5 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2020-10-13 05:07:01,906 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.32 ms. Allocated memory was 148.4 MB in the beginning and 207.6 MB in the end (delta: 59.2 MB). Free memory was 103.7 MB in the beginning and 186.1 MB in the end (delta: -82.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.19 ms. Allocated memory is still 207.6 MB. Free memory was 186.1 MB in the beginning and 183.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 451.39 ms. Allocated memory is still 207.6 MB. Free memory was 183.9 MB in the beginning and 165.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3254.73 ms. Allocated memory was 207.6 MB in the beginning and 242.7 MB in the end (delta: 35.1 MB). Free memory was 164.3 MB in the beginning and 108.8 MB in the end (delta: 55.5 MB). Peak memory consumption was 90.6 MB. 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] long long i; [L26] long long *a = malloc(sizeof(long long)*N); [L27] long long sum[1]; [L29] sum[0] = 0 [L30] i=0 [L30] COND TRUE i