/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/modsf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:34:55,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:34:55,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:34:55,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:34:55,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:34:55,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:34:55,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:34:55,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:34:55,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:34:55,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:34:55,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:34:55,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:34:55,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:34:55,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:34:55,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:34:55,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:34:55,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:34:55,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:34:55,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:34:55,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:34:55,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:34:55,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:34:55,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:34:55,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:34:55,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:34:55,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:34:55,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:34:55,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:34:55,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:34:55,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:34:55,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:34:55,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:34:55,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:34:55,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:34:55,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:34:55,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:34:55,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:34:55,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:34:55,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:34:55,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:34:55,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:34:55,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:34:55,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:34:55,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:34:55,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:34:55,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:34:55,905 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:34:55,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:34:55,906 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:34:55,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:34:55,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:34:55,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:34:55,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:34:55,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:34:55,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:34:55,907 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:34:55,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:34:55,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:34:55,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:34:55,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:34:55,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:34:55,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:34:55,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:34:55,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:34:55,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:34:55,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:34:55,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:34:55,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:34:55,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:34:55,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:34:55,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:34:55,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:34:56,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:34:56,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:34:56,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:34:56,400 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:34:56,401 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:34:56,402 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/modsf.c [2020-09-21 12:34:56,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a3dcd065/58a2ef57d72143319343556c9d36e9cd/FLAGda0e74368 [2020-09-21 12:34:57,035 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:34:57,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/modsf.c [2020-09-21 12:34:57,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a3dcd065/58a2ef57d72143319343556c9d36e9cd/FLAGda0e74368 [2020-09-21 12:34:57,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a3dcd065/58a2ef57d72143319343556c9d36e9cd [2020-09-21 12:34:57,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:34:57,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:34:57,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:34:57,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:34:57,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:34:57,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:34:57" (1/1) ... [2020-09-21 12:34:57,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434f45a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57, skipping insertion in model container [2020-09-21 12:34:57,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:34:57" (1/1) ... [2020-09-21 12:34:57,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:34:57,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:34:57,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:34:57,686 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:34:57,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:34:57,727 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:34:57,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57 WrapperNode [2020-09-21 12:34:57,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:34:57,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:34:57,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:34:57,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:34:57,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57" (1/1) ... [2020-09-21 12:34:57,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57" (1/1) ... [2020-09-21 12:34:57,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57" (1/1) ... [2020-09-21 12:34:57,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57" (1/1) ... [2020-09-21 12:34:57,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57" (1/1) ... [2020-09-21 12:34:57,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57" (1/1) ... [2020-09-21 12:34:57,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57" (1/1) ... [2020-09-21 12:34:57,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:34:57,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:34:57,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:34:57,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:34:57,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:34:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:34:57,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:34:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:34:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 12:34:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:34:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:34:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:34:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:34:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 12:34:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:34:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:34:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:34:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:34:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:34:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:34:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:34:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:34:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:34:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:34:58,262 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:34:58,263 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:34:58,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:34:58 BoogieIcfgContainer [2020-09-21 12:34:58,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:34:58,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:34:58,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:34:58,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:34:58,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:34:57" (1/3) ... [2020-09-21 12:34:58,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e2fbbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:34:58, skipping insertion in model container [2020-09-21 12:34:58,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:34:57" (2/3) ... [2020-09-21 12:34:58,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e2fbbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:34:58, skipping insertion in model container [2020-09-21 12:34:58,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:34:58" (3/3) ... [2020-09-21 12:34:58,280 INFO L109 eAbstractionObserver]: Analyzing ICFG modsf.c [2020-09-21 12:34:58,295 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:34:58,304 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:34:58,330 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:34:58,383 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:34:58,383 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:34:58,383 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:34:58,383 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:34:58,383 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:34:58,384 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:34:58,384 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:34:58,384 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:34:58,414 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-09-21 12:34:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 12:34:58,422 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:34:58,423 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] [2020-09-21 12:34:58,424 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:34:58,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:34:58,430 INFO L82 PathProgramCache]: Analyzing trace with hash -173101897, now seen corresponding path program 1 times [2020-09-21 12:34:58,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:34:58,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648109589] [2020-09-21 12:34:58,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:34:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:58,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:58,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:58,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:58,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:58,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:59,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:59,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:59,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:59,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:59,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 12:34:59,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:34:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:34:59,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 12:34:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:34:59,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:34:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:59,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:59,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:34:59,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:34:59,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:34:59,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:34:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:59,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:59,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:34:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:34:59,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:34:59,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:34:59,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:34:59,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:34:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:34:59,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:34:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:34:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:34:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:34:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:34:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:34:59,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648109589] [2020-09-21 12:34:59,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:34:59,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:34:59,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178487869] [2020-09-21 12:34:59,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:34:59,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:34:59,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:34:59,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:34:59,755 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 3 states. [2020-09-21 12:34:59,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:34:59,932 INFO L93 Difference]: Finished difference Result 70 states and 93 transitions. [2020-09-21 12:34:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:34:59,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-09-21 12:34:59,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:34:59,951 INFO L225 Difference]: With dead ends: 70 [2020-09-21 12:34:59,951 INFO L226 Difference]: Without dead ends: 35 [2020-09-21 12:34:59,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:34:59,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-09-21 12:35:00,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-09-21 12:35:00,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-09-21 12:35:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-09-21 12:35:00,013 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 26 [2020-09-21 12:35:00,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:35:00,014 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-09-21 12:35:00,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:35:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-09-21 12:35:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 12:35:00,015 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:35:00,016 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] [2020-09-21 12:35:00,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:35:00,016 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:35:00,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:35:00,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1503462707, now seen corresponding path program 1 times [2020-09-21 12:35:00,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:35:00,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230834498] [2020-09-21 12:35:00,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:35:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:00,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:00,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:01,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:01,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 12:35:01,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:35:01,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:35:01,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:35:01,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 12:35:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:35:01,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:35:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:01,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:01,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:01,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:35:01,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:01,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:35:01,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:01,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:01,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:35:01,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:01,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:01,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:35:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:01,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:01,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:01,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:35:01,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:01,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:35:01,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:35:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:35:01,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:35:01,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:35:01,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230834498] [2020-09-21 12:35:01,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:35:01,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:35:01,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484209776] [2020-09-21 12:35:01,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:35:01,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:35:01,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:35:01,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:35:01,165 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 5 states. [2020-09-21 12:35:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:35:01,462 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2020-09-21 12:35:01,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:35:01,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-09-21 12:35:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:35:01,464 INFO L225 Difference]: With dead ends: 60 [2020-09-21 12:35:01,465 INFO L226 Difference]: Without dead ends: 40 [2020-09-21 12:35:01,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:35:01,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-09-21 12:35:01,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2020-09-21 12:35:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-21 12:35:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-09-21 12:35:01,485 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 26 [2020-09-21 12:35:01,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:35:01,487 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-09-21 12:35:01,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:35:01,487 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-09-21 12:35:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-21 12:35:01,490 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:35:01,490 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] [2020-09-21 12:35:01,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:35:01,490 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:35:01,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:35:01,491 INFO L82 PathProgramCache]: Analyzing trace with hash -260192085, now seen corresponding path program 1 times [2020-09-21 12:35:01,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:35:01,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826621644] [2020-09-21 12:35:01,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:35:01,517 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-21 12:35:01,518 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-21 12:35:01,518 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 12:35:01,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:35:01,551 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-21 12:35:01,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:35:01 BoogieIcfgContainer [2020-09-21 12:35:01,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:35:01,557 INFO L168 Benchmark]: Toolchain (without parser) took 4162.12 ms. Allocated memory was 145.8 MB in the beginning and 248.0 MB in the end (delta: 102.2 MB). Free memory was 102.2 MB in the beginning and 203.4 MB in the end (delta: -101.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,559 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:35:01,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.51 ms. Allocated memory is still 145.8 MB. Free memory was 101.5 MB in the beginning and 90.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,561 INFO L168 Benchmark]: Boogie Preprocessor took 137.37 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 90.9 MB in the beginning and 179.0 MB in the end (delta: -88.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,562 INFO L168 Benchmark]: RCFGBuilder took 403.08 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 160.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,564 INFO L168 Benchmark]: TraceAbstraction took 3281.06 ms. Allocated memory was 201.9 MB in the beginning and 248.0 MB in the end (delta: 46.1 MB). Free memory was 159.7 MB in the beginning and 203.4 MB in the end (delta: -43.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:01,573 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 329.51 ms. Allocated memory is still 145.8 MB. Free memory was 101.5 MB in the beginning and 90.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.37 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 90.9 MB in the beginning and 179.0 MB in the end (delta: -88.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 403.08 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 160.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3281.06 ms. Allocated memory was 201.9 MB in the beginning and 248.0 MB in the end (delta: 46.1 MB). Free memory was 159.7 MB in the beginning and 203.4 MB in the end (delta: -43.7 MB). Peak memory consumption was 2.5 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] int i; [L26] long long sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 0 [L30] i=0 [L30] COND TRUE i