/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-cav19/array_tiling_poly6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 04:26:06,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 04:26:06,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 04:26:06,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 04:26:06,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 04:26:06,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 04:26:06,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 04:26:06,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 04:26:06,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 04:26:06,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 04:26:06,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 04:26:06,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 04:26:06,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 04:26:06,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 04:26:06,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 04:26:06,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 04:26:06,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 04:26:06,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 04:26:06,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 04:26:06,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 04:26:06,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 04:26:06,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 04:26:06,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 04:26:06,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 04:26:06,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 04:26:06,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 04:26:06,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 04:26:06,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 04:26:06,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 04:26:06,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 04:26:06,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 04:26:06,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 04:26:06,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 04:26:06,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 04:26:06,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 04:26:06,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 04:26:06,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 04:26:06,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 04:26:06,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 04:26:06,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 04:26:06,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 04:26:06,749 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 04:26:06,790 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 04:26:06,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 04:26:06,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 04:26:06,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 04:26:06,792 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 04:26:06,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 04:26:06,793 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 04:26:06,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 04:26:06,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 04:26:06,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 04:26:06,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 04:26:06,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 04:26:06,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 04:26:06,795 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 04:26:06,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 04:26:06,796 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 04:26:06,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 04:26:06,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 04:26:06,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 04:26:06,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 04:26:06,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 04:26:06,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 04:26:06,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 04:26:06,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 04:26:06,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 04:26:06,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 04:26:06,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 04:26:06,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 04:26:06,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 04:26:06,798 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 04:26:07,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 04:26:07,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 04:26:07,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 04:26:07,098 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 04:26:07,098 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 04:26:07,099 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-cav19/array_tiling_poly6.c [2020-10-13 04:26:07,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/788c1b0c1/fe61cba83da547c7b9a2a7a40004559a/FLAG259571a09 [2020-10-13 04:26:07,597 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 04:26:07,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-cav19/array_tiling_poly6.c [2020-10-13 04:26:07,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/788c1b0c1/fe61cba83da547c7b9a2a7a40004559a/FLAG259571a09 [2020-10-13 04:26:07,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/788c1b0c1/fe61cba83da547c7b9a2a7a40004559a [2020-10-13 04:26:07,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 04:26:07,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 04:26:07,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 04:26:07,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 04:26:07,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 04:26:07,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:26:07" (1/1) ... [2020-10-13 04:26:07,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41238cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:07, skipping insertion in model container [2020-10-13 04:26:07,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:26:07" (1/1) ... [2020-10-13 04:26:07,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 04:26:08,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 04:26:08,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 04:26:08,189 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 04:26:08,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 04:26:08,230 INFO L208 MainTranslator]: Completed translation [2020-10-13 04:26:08,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:08 WrapperNode [2020-10-13 04:26:08,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 04:26:08,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 04:26:08,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 04:26:08,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 04:26:08,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:08" (1/1) ... [2020-10-13 04:26:08,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:08" (1/1) ... [2020-10-13 04:26:08,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:08" (1/1) ... [2020-10-13 04:26:08,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:08" (1/1) ... [2020-10-13 04:26:08,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:08" (1/1) ... [2020-10-13 04:26:08,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:08" (1/1) ... [2020-10-13 04:26:08,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:08" (1/1) ... [2020-10-13 04:26:08,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 04:26:08,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 04:26:08,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 04:26:08,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 04:26:08,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:08" (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 04:26:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 04:26:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 04:26:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 04:26:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-13 04:26:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 04:26:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 04:26:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 04:26:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 04:26:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-13 04:26:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 04:26:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 04:26:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 04:26:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 04:26:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 04:26:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 04:26:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 04:26:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 04:26:08,700 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 04:26:08,700 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-13 04:26:08,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:26:08 BoogieIcfgContainer [2020-10-13 04:26:08,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 04:26:08,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 04:26:08,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 04:26:08,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 04:26:08,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:26:07" (1/3) ... [2020-10-13 04:26:08,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be43c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:26:08, skipping insertion in model container [2020-10-13 04:26:08,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:26:08" (2/3) ... [2020-10-13 04:26:08,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be43c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:26:08, skipping insertion in model container [2020-10-13 04:26:08,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:26:08" (3/3) ... [2020-10-13 04:26:08,712 INFO L109 eAbstractionObserver]: Analyzing ICFG array_tiling_poly6.c [2020-10-13 04:26:08,725 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 04:26:08,732 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 04:26:08,745 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 04:26:08,766 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 04:26:08,766 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 04:26:08,766 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 04:26:08,766 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 04:26:08,766 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 04:26:08,766 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 04:26:08,766 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 04:26:08,767 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 04:26:08,783 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-13 04:26:08,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-13 04:26:08,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:26:08,788 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] [2020-10-13 04:26:08,789 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:26:08,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:26:08,794 INFO L82 PathProgramCache]: Analyzing trace with hash 674866801, now seen corresponding path program 1 times [2020-10-13 04:26:08,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:26:08,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508419845] [2020-10-13 04:26:08,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:26:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:26:08,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:08,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:09,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:09,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:26:09,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 04:26:09,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 04:26:09,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-13 04:26:09,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 04:26:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:26:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 04:26:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:26:09,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 04:26:09,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:26:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:26:09,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:09,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:26:09,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:26:09,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:26:09,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 04:26:09,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 04:26:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:26:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:26:09,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:26:09,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-13 04:26:09,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:26:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:26:09,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:09,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:26:09,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:26:09,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:26:09,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 04:26:09,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 04:26:09,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:26:09,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 04:26:09,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:26:09,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:26:09,575 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 04:26:09,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508419845] [2020-10-13 04:26:09,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 04:26:09,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 04:26:09,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513394491] [2020-10-13 04:26:09,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 04:26:09,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:26:09,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 04:26:09,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 04:26:09,607 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 3 states. [2020-10-13 04:26:09,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:26:09,740 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2020-10-13 04:26:09,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 04:26:09,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-10-13 04:26:09,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:26:09,756 INFO L225 Difference]: With dead ends: 57 [2020-10-13 04:26:09,757 INFO L226 Difference]: Without dead ends: 28 [2020-10-13 04:26:09,761 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 04:26:09,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-13 04:26:09,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-13 04:26:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-13 04:26:09,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-10-13 04:26:09,813 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 21 [2020-10-13 04:26:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:26:09,813 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-10-13 04:26:09,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 04:26:09,814 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-10-13 04:26:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-13 04:26:09,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:26:09,816 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] [2020-10-13 04:26:09,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 04:26:09,817 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:26:09,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:26:09,818 INFO L82 PathProgramCache]: Analyzing trace with hash 88060787, now seen corresponding path program 1 times [2020-10-13 04:26:09,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:26:09,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482058779] [2020-10-13 04:26:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:26:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:26:09,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:09,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:09,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:10,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:10,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:26:10,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 04:26:10,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 04:26:10,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-13 04:26:10,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 04:26:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 04:26:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 04:26:10,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 04:26:10,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 04:26:10,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 04:26:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:26:10,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:10,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:26:10,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 04:26:10,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:26:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 04:26:10,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 04:26:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:26:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:26:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:26:10,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:26:10,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 04:26:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 04:26:10,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 04:26:10,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 04:26:10,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 04:26:10,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 04:26:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 04:26:10,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 04:26:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 04:26:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 04:26:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 04:26:10,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 04:26:10,341 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 04:26:10,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482058779] [2020-10-13 04:26:10,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 04:26:10,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 04:26:10,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025516292] [2020-10-13 04:26:10,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 04:26:10,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 04:26:10,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 04:26:10,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 04:26:10,346 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 6 states. [2020-10-13 04:26:10,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 04:26:10,506 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2020-10-13 04:26:10,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 04:26:10,507 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-13 04:26:10,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 04:26:10,510 INFO L225 Difference]: With dead ends: 53 [2020-10-13 04:26:10,510 INFO L226 Difference]: Without dead ends: 36 [2020-10-13 04:26:10,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 04:26:10,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-13 04:26:10,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2020-10-13 04:26:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-13 04:26:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-10-13 04:26:10,522 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 21 [2020-10-13 04:26:10,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 04:26:10,523 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-10-13 04:26:10,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 04:26:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-10-13 04:26:10,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-13 04:26:10,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 04:26:10,524 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] [2020-10-13 04:26:10,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 04:26:10,525 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 04:26:10,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 04:26:10,525 INFO L82 PathProgramCache]: Analyzing trace with hash -112618769, now seen corresponding path program 1 times [2020-10-13 04:26:10,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 04:26:10,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646909626] [2020-10-13 04:26:10,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 04:26:10,533 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-13 04:26:10,534 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-13 04:26:10,534 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 04:26:10,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 04:26:10,553 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-13 04:26:10,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:26:10 BoogieIcfgContainer [2020-10-13 04:26:10,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 04:26:10,556 INFO L168 Benchmark]: Toolchain (without parser) took 2577.31 ms. Allocated memory was 142.6 MB in the beginning and 232.3 MB in the end (delta: 89.7 MB). Free memory was 105.7 MB in the beginning and 120.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 74.7 MB. Max. memory is 7.1 GB. [2020-10-13 04:26:10,557 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 142.6 MB. Free memory was 124.2 MB in the beginning and 123.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 04:26:10,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.53 ms. Allocated memory is still 142.6 MB. Free memory was 105.5 MB in the beginning and 95.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-10-13 04:26:10,559 INFO L168 Benchmark]: Boogie Preprocessor took 132.45 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 95.4 MB in the beginning and 183.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-10-13 04:26:10,560 INFO L168 Benchmark]: RCFGBuilder took 339.30 ms. Allocated memory is still 206.0 MB. Free memory was 183.4 MB in the beginning and 167.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2020-10-13 04:26:10,561 INFO L168 Benchmark]: TraceAbstraction took 1848.26 ms. Allocated memory was 206.0 MB in the beginning and 232.3 MB in the end (delta: 26.2 MB). Free memory was 167.1 MB in the beginning and 120.6 MB in the end (delta: 46.5 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2020-10-13 04:26:10,565 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 142.6 MB. Free memory was 124.2 MB in the beginning and 123.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.53 ms. Allocated memory is still 142.6 MB. Free memory was 105.5 MB in the beginning and 95.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.45 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 95.4 MB in the beginning and 183.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 339.30 ms. Allocated memory is still 206.0 MB. Free memory was 183.4 MB in the beginning and 167.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1848.26 ms. Allocated memory was 206.0 MB in the beginning and 232.3 MB in the end (delta: 26.2 MB). Free memory was 167.1 MB in the beginning and 120.6 MB in the end (delta: 46.5 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: 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: [L10] int S=__VERIFIER_nondet_int(); [L11] CALL assume_abort_if_not(S>1) [L4] COND FALSE !(!cond) [L11] RET assume_abort_if_not(S>1) [L12] int i; [L13] int a[S]; [L15] i=0 [L15] COND TRUE i