/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --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/res1of.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:54:57,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:54:57,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:54:57,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:54:57,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:54:57,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:54:57,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:54:57,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:54:57,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:54:57,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:54:57,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:54:57,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:54:57,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:54:57,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:54:57,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:54:57,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:54:57,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:54:57,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:54:57,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:54:57,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:54:57,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:54:57,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:54:57,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:54:57,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:54:57,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:54:57,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:54:57,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:54:57,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:54:57,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:54:57,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:54:57,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:54:57,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:54:57,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:54:57,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:54:57,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:54:57,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:54:57,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:54:57,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:54:57,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:54:57,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:54:57,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:54:57,870 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 [2020-09-24 22:54:57,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:54:57,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:54:57,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:54:57,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:54:57,924 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:54:57,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:54:57,925 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:54:57,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:54:57,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:54:57,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:54:57,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:54:57,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:54:57,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:54:57,928 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:54:57,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:54:57,928 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:54:57,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:54:57,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:54:57,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:54:57,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:54:57,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:54:57,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:54:57,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:54:57,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:54:57,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:54:57,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:54:57,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:54:57,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:54:57,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:54:57,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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=5000;interpolation-heuristic=HIGHLEXORDER;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=5000;interpolation-heuristic=HIGHLEXORDER;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=5000;interpolation-heuristic=HIGHLEXORDER;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=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:54:58,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:54:58,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:54:58,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:54:58,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:54:58,432 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:54:58,433 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/res1of.c [2020-09-24 22:54:58,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/653d19921/51111ea27dd947a2b0fc31a77215962b/FLAG4aff183bc [2020-09-24 22:54:59,079 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:54:59,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/res1of.c [2020-09-24 22:54:59,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/653d19921/51111ea27dd947a2b0fc31a77215962b/FLAG4aff183bc [2020-09-24 22:54:59,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/653d19921/51111ea27dd947a2b0fc31a77215962b [2020-09-24 22:54:59,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:54:59,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:54:59,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:54:59,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:54:59,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:54:59,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:54:59" (1/1) ... [2020-09-24 22:54:59,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59, skipping insertion in model container [2020-09-24 22:54:59,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:54:59" (1/1) ... [2020-09-24 22:54:59,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:54:59,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:54:59,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:54:59,752 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:54:59,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:54:59,795 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:54:59,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59 WrapperNode [2020-09-24 22:54:59,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:54:59,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:54:59,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:54:59,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:54:59,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59" (1/1) ... [2020-09-24 22:54:59,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59" (1/1) ... [2020-09-24 22:54:59,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59" (1/1) ... [2020-09-24 22:54:59,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59" (1/1) ... [2020-09-24 22:54:59,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59" (1/1) ... [2020-09-24 22:54:59,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59" (1/1) ... [2020-09-24 22:54:59,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59" (1/1) ... [2020-09-24 22:54:59,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:54:59,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:54:59,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:54:59,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:54:59,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:55:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:55:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:55:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 22:55:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 22:55:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:55:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:55:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 22:55:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 22:55:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 22:55:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:55:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:55:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:55:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:55:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:55:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:55:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:55:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:55:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:55:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:55:00,365 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:55:00,365 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 22:55:00,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:55:00 BoogieIcfgContainer [2020-09-24 22:55:00,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:55:00,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:55:00,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:55:00,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:55:00,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:54:59" (1/3) ... [2020-09-24 22:55:00,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b42457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:55:00, skipping insertion in model container [2020-09-24 22:55:00,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:54:59" (2/3) ... [2020-09-24 22:55:00,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b42457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:55:00, skipping insertion in model container [2020-09-24 22:55:00,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:55:00" (3/3) ... [2020-09-24 22:55:00,380 INFO L109 eAbstractionObserver]: Analyzing ICFG res1of.c [2020-09-24 22:55:00,393 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:55:00,403 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:55:00,426 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:55:00,472 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:55:00,473 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:55:00,473 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:55:00,473 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:55:00,473 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:55:00,473 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:55:00,473 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:55:00,473 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:55:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-09-24 22:55:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 22:55:00,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:55:00,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:55:00,510 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:55:00,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:55:00,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1485233439, now seen corresponding path program 1 times [2020-09-24 22:55:00,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:55:00,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397301602] [2020-09-24 22:55:00,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:55:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:00,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:00,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:00,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:01,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:01,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:01,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 22:55:01,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:55:01,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-09-24 22:55:01,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:01,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:55:01,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-24 22:55:01,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:55:01,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:55:01,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:55:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:01,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:01,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:01,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:55:01,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:55:01,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 22:55:01,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:01,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:55:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:55:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:55:01,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:55:01,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 22:55:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:01,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:01,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:01,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:55:01,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:55:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:55:01,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:01,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:55:01,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:55:01,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:55:01,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:55:01,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:55:01,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397301602] [2020-09-24 22:55:01,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:55:01,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 22:55:01,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859276113] [2020-09-24 22:55:01,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 22:55:01,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:55:01,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 22:55:01,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:55:01,958 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-09-24 22:55:02,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:55:02,200 INFO L93 Difference]: Finished difference Result 131 states and 150 transitions. [2020-09-24 22:55:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 22:55:02,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-09-24 22:55:02,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:55:02,214 INFO L225 Difference]: With dead ends: 131 [2020-09-24 22:55:02,214 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 22:55:02,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 22:55:02,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 22:55:02,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-24 22:55:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-24 22:55:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-24 22:55:02,274 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 37 [2020-09-24 22:55:02,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:55:02,275 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-24 22:55:02,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 22:55:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-24 22:55:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-24 22:55:02,277 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:55:02,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:55:02,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:55:02,278 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:55:02,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:55:02,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1275810423, now seen corresponding path program 1 times [2020-09-24 22:55:02,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:55:02,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1587723192] [2020-09-24 22:55:02,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:55:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:02,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:02,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:02,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:02,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:05,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:05,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 22:55:05,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:55:05,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2778 [2020-09-24 22:55:05,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:05,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:55:05,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 22:55:05,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 22:55:05,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-24 22:55:05,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:55:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:05,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:05,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:05,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:55:05,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:55:05,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:55:05,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:05,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:55:05,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:55:05,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:55:05,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:55:05,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 22:55:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:55:05,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:55:05,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:55:05,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:55:05,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:55:05,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:55:05,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:55:05,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:55:05,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:55:05,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:55:05,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:55:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:55:05,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1587723192] [2020-09-24 22:55:05,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:55:05,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 22:55:05,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646840218] [2020-09-24 22:55:05,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 22:55:05,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:55:05,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 22:55:05,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 22:55:05,202 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 5 states. [2020-09-24 22:55:05,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:55:05,493 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2020-09-24 22:55:05,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 22:55:05,493 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-09-24 22:55:05,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:55:05,496 INFO L225 Difference]: With dead ends: 98 [2020-09-24 22:55:05,497 INFO L226 Difference]: Without dead ends: 66 [2020-09-24 22:55:05,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 22:55:05,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-24 22:55:05,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-09-24 22:55:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-24 22:55:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2020-09-24 22:55:05,532 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 37 [2020-09-24 22:55:05,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:55:05,532 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2020-09-24 22:55:05,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 22:55:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-09-24 22:55:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-24 22:55:05,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:55:05,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:55:05,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:55:05,536 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:55:05,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:55:05,536 INFO L82 PathProgramCache]: Analyzing trace with hash 499886001, now seen corresponding path program 1 times [2020-09-24 22:55:05,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:55:05,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055345115] [2020-09-24 22:55:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:55:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 22:55:05,584 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 22:55:05,584 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 22:55:05,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:55:05,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:55:05 BoogieIcfgContainer [2020-09-24 22:55:05,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 22:55:05,630 INFO L168 Benchmark]: Toolchain (without parser) took 6177.27 ms. Allocated memory was 148.4 MB in the beginning and 244.8 MB in the end (delta: 96.5 MB). Free memory was 104.7 MB in the beginning and 146.5 MB in the end (delta: -41.8 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2020-09-24 22:55:05,632 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 22:55:05,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.84 ms. Allocated memory is still 148.4 MB. Free memory was 104.1 MB in the beginning and 93.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-24 22:55:05,634 INFO L168 Benchmark]: Boogie Preprocessor took 137.14 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 93.4 MB in the beginning and 182.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-09-24 22:55:05,635 INFO L168 Benchmark]: RCFGBuilder took 436.53 ms. Allocated memory is still 205.0 MB. Free memory was 182.4 MB in the beginning and 161.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-09-24 22:55:05,637 INFO L168 Benchmark]: TraceAbstraction took 5252.77 ms. Allocated memory was 205.0 MB in the beginning and 244.8 MB in the end (delta: 39.8 MB). Free memory was 160.4 MB in the beginning and 146.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. [2020-09-24 22:55:05,647 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 337.84 ms. Allocated memory is still 148.4 MB. Free memory was 104.1 MB in the beginning and 93.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.14 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 93.4 MB in the beginning and 182.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 436.53 ms. Allocated memory is still 205.0 MB. Free memory was 182.4 MB in the beginning and 161.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5252.77 ms. Allocated memory was 205.0 MB in the beginning and 244.8 MB in the end (delta: 39.8 MB). Free memory was 160.4 MB in the beginning and 146.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L28] int *b = malloc(sizeof(int)*N); [L30] sum[0] = 0 [L31] i=0 [L31] COND TRUE i