/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/heap-data/quick_sort_split.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:25:02,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:25:03,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:25:03,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:25:03,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:25:03,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:25:03,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:25:03,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:25:03,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:25:03,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:25:03,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:25:03,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:25:03,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:25:03,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:25:03,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:25:03,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:25:03,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:25:03,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:25:03,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:25:03,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:25:03,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:25:03,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:25:03,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:25:03,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:25:03,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:25:03,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:25:03,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:25:03,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:25:03,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:25:03,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:25:03,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:25:03,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:25:03,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:25:03,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:25:03,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:25:03,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:25:03,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:25:03,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:25:03,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:25:03,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:25:03,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:25:03,114 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 [2020-10-14 23:25:03,160 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:25:03,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:25:03,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:25:03,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:25:03,162 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:25:03,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:25:03,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:25:03,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:25:03,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:25:03,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:25:03,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:25:03,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:25:03,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:25:03,166 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:25:03,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:25:03,166 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:25:03,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:25:03,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:25:03,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:25:03,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:25:03,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:25:03,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:25:03,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:25:03,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:25:03,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:25:03,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:25:03,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:25:03,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:25:03,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:25:03,169 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 23:25:03,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:25:03,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:25:03,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:25:03,502 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:25:03,502 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:25:03,503 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/quick_sort_split.i [2020-10-14 23:25:03,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd58b7fba/c4bfdac31a77424ebf814948f20ade60/FLAG5a7d8097b [2020-10-14 23:25:04,109 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:25:04,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-data/quick_sort_split.i [2020-10-14 23:25:04,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd58b7fba/c4bfdac31a77424ebf814948f20ade60/FLAG5a7d8097b [2020-10-14 23:25:04,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd58b7fba/c4bfdac31a77424ebf814948f20ade60 [2020-10-14 23:25:04,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:25:04,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:25:04,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:25:04,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:25:04,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:25:04,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:25:04" (1/1) ... [2020-10-14 23:25:04,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f8105e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:04, skipping insertion in model container [2020-10-14 23:25:04,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:25:04" (1/1) ... [2020-10-14 23:25:04,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:25:04,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:25:04,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:25:04,959 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:25:05,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:25:05,071 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:25:05,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05 WrapperNode [2020-10-14 23:25:05,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:25:05,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:25:05,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:25:05,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:25:05,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05" (1/1) ... [2020-10-14 23:25:05,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05" (1/1) ... [2020-10-14 23:25:05,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05" (1/1) ... [2020-10-14 23:25:05,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05" (1/1) ... [2020-10-14 23:25:05,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05" (1/1) ... [2020-10-14 23:25:05,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05" (1/1) ... [2020-10-14 23:25:05,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05" (1/1) ... [2020-10-14 23:25:05,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:25:05,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:25:05,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:25:05,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:25:05,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05" (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 [2020-10-14 23:25:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:25:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:25:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 23:25:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 23:25:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2020-10-14 23:25:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure create_list [2020-10-14 23:25:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:25:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 23:25:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:25:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 23:25:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 23:25:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 23:25:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 23:25:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 23:25:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 23:25:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 23:25:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 23:25:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 23:25:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 23:25:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 23:25:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 23:25:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 23:25:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 23:25:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 23:25:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 23:25:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 23:25:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 23:25:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 23:25:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 23:25:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 23:25:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 23:25:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 23:25:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 23:25:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 23:25:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 23:25:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 23:25:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 23:25:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 23:25:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 23:25:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 23:25:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 23:25:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 23:25:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 23:25:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 23:25:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 23:25:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 23:25:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 23:25:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 23:25:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 23:25:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 23:25:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 23:25:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 23:25:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 23:25:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 23:25:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 23:25:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 23:25:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 23:25:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 23:25:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 23:25:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 23:25:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 23:25:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 23:25:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 23:25:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 23:25:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 23:25:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 23:25:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 23:25:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 23:25:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 23:25:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-14 23:25:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 23:25:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 23:25:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-14 23:25:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 23:25:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 23:25:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-14 23:25:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 23:25:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 23:25:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 23:25:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 23:25:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 23:25:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 23:25:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 23:25:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 23:25:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 23:25:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 23:25:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 23:25:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 23:25:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 23:25:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 23:25:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 23:25:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 23:25:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 23:25:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 23:25:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 23:25:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 23:25:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 23:25:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 23:25:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 23:25:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 23:25:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 23:25:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 23:25:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 23:25:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 23:25:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 23:25:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 23:25:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 23:25:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 23:25:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 23:25:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 23:25:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 23:25:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 23:25:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 23:25:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 23:25:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2020-10-14 23:25:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 23:25:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 23:25:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 23:25:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:25:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure create_list [2020-10-14 23:25:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 23:25:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 23:25:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:25:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:25:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:25:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:25:05,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:25:05,743 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:25:05,743 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 23:25:05,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:25:05 BoogieIcfgContainer [2020-10-14 23:25:05,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:25:05,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:25:05,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:25:05,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:25:05,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:25:04" (1/3) ... [2020-10-14 23:25:05,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ca7e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:25:05, skipping insertion in model container [2020-10-14 23:25:05,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:05" (2/3) ... [2020-10-14 23:25:05,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ca7e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:25:05, skipping insertion in model container [2020-10-14 23:25:05,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:25:05" (3/3) ... [2020-10-14 23:25:05,756 INFO L109 eAbstractionObserver]: Analyzing ICFG quick_sort_split.i [2020-10-14 23:25:05,766 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:25:05,774 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-14 23:25:05,788 INFO L251 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-14 23:25:05,809 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:25:05,810 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:25:05,810 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:25:05,810 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:25:05,810 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:25:05,811 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:25:05,811 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:25:05,811 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:25:05,830 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-10-14 23:25:05,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-14 23:25:05,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:25:05,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:25:05,838 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:25:05,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:25:05,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1851020699, now seen corresponding path program 1 times [2020-10-14 23:25:05,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:25:05,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341502190] [2020-10-14 23:25:05,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:25:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:25:05,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:25:06,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:25:06,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:25:06,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:25:06,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 23:25:06,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:25:06,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-14 23:25:06,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:25:06,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:25:06,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:25:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 23:25:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 23:25:06,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 23:25:06,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:25:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:25:06,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:25:06,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:25:06,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:25:06,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:25:06,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:25:06,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:25:06,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:25:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:25:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:25:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:25:06,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:25:06,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 23:25:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:25:06,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:25:06,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:25:06,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:25:06,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:25:06,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:25:06,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 23:25:06,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:25:06,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:25:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:25:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 23:25:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:25:06,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:25:06,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:25:06,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341502190] [2020-10-14 23:25:06,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:25:06,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 23:25:06,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075725715] [2020-10-14 23:25:06,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 23:25:06,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:25:06,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 23:25:06,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 23:25:06,354 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 5 states. [2020-10-14 23:25:06,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:25:06,506 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-10-14 23:25:06,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 23:25:06,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-14 23:25:06,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:25:06,521 INFO L225 Difference]: With dead ends: 53 [2020-10-14 23:25:06,521 INFO L226 Difference]: Without dead ends: 28 [2020-10-14 23:25:06,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 23:25:06,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-14 23:25:06,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-14 23:25:06,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-14 23:25:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2020-10-14 23:25:06,573 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 16 [2020-10-14 23:25:06,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:25:06,573 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2020-10-14 23:25:06,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 23:25:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2020-10-14 23:25:06,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-14 23:25:06,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:25:06,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:25:06,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:25:06,576 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:25:06,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:25:06,577 INFO L82 PathProgramCache]: Analyzing trace with hash -238280333, now seen corresponding path program 1 times [2020-10-14 23:25:06,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:25:06,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982825708] [2020-10-14 23:25:06,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:25:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:25:06,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:25:06,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:25:06,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 23:25:06,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:25:06,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 23:25:06,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:25:06,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:25:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:25:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 23:25:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 23:25:06,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:25:06,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:25:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:25:06,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:25:06,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:25:06,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:25:06,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:25:06,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:25:06,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:25:06,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:25:06,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:25:06,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:25:06,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:25:06,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:25:06,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 23:25:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:25:06,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:25:06,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:25:06,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:25:06,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:25:06,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:25:06,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:25:06,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:25:06,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:25:06,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:25:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:25:06,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:25:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:25:06,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982825708] [2020-10-14 23:25:06,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:25:06,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 23:25:06,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768655015] [2020-10-14 23:25:06,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 23:25:06,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:25:06,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 23:25:06,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 23:25:06,825 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand 5 states. [2020-10-14 23:25:06,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:25:06,926 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2020-10-14 23:25:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 23:25:06,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-14 23:25:06,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:25:06,927 INFO L225 Difference]: With dead ends: 29 [2020-10-14 23:25:06,927 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 23:25:06,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 23:25:06,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 23:25:06,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 23:25:06,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 23:25:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 23:25:06,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-14 23:25:06,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:25:06,930 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 23:25:06,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 23:25:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 23:25:06,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 23:25:06,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:25:06,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 23:25:07,053 INFO L271 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: true [2020-10-14 23:25:07,053 INFO L271 CegarLoopResult]: At program point L576-1(lines 571 577) the Hoare annotation is: true [2020-10-14 23:25:07,053 INFO L271 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: true [2020-10-14 23:25:07,053 INFO L268 CegarLoopResult]: For program point L573(lines 573 576) no Hoare annotation was computed. [2020-10-14 23:25:07,053 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2020-10-14 23:25:07,053 INFO L268 CegarLoopResult]: For program point L571-3(lines 571 577) no Hoare annotation was computed. [2020-10-14 23:25:07,054 INFO L268 CegarLoopResult]: For program point create_listEXIT(lines 569 579) no Hoare annotation was computed. [2020-10-14 23:25:07,054 INFO L264 CegarLoopResult]: At program point create_listENTRY(lines 569 579) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:25:07,054 INFO L268 CegarLoopResult]: For program point create_listFINAL(lines 569 579) no Hoare annotation was computed. [2020-10-14 23:25:07,054 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:25:07,054 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:25:07,054 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:25:07,054 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 64 68) no Hoare annotation was computed. [2020-10-14 23:25:07,055 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 64 68) no Hoare annotation was computed. [2020-10-14 23:25:07,055 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 64 68) no Hoare annotation was computed. [2020-10-14 23:25:07,055 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 69 73) no Hoare annotation was computed. [2020-10-14 23:25:07,055 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 69 73) no Hoare annotation was computed. [2020-10-14 23:25:07,055 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 69 73) no Hoare annotation was computed. [2020-10-14 23:25:07,055 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:25:07,055 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 23:25:07,055 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 23:25:07,056 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:25:07,056 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 580 602) no Hoare annotation was computed. [2020-10-14 23:25:07,056 INFO L268 CegarLoopResult]: For program point L597-1(lines 580 602) no Hoare annotation was computed. [2020-10-14 23:25:07,056 INFO L268 CegarLoopResult]: For program point L597-2(lines 580 602) no Hoare annotation was computed. [2020-10-14 23:25:07,056 INFO L268 CegarLoopResult]: For program point L593(lines 593 594) no Hoare annotation was computed. [2020-10-14 23:25:07,056 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 594) no Hoare annotation was computed. [2020-10-14 23:25:07,056 INFO L264 CegarLoopResult]: At program point L585-2(lines 585 591) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2020-10-14 23:25:07,057 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-10-14 23:25:07,057 INFO L268 CegarLoopResult]: For program point L598(lines 598 599) no Hoare annotation was computed. [2020-10-14 23:25:07,057 INFO L268 CegarLoopResult]: For program point L598-2(lines 598 599) no Hoare annotation was computed. [2020-10-14 23:25:07,057 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-14 23:25:07,057 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-14 23:25:07,057 INFO L268 CegarLoopResult]: For program point L586-2(line 586) no Hoare annotation was computed. [2020-10-14 23:25:07,057 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 599) no Hoare annotation was computed. [2020-10-14 23:25:07,058 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-10-14 23:25:07,058 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 594) no Hoare annotation was computed. [2020-10-14 23:25:07,058 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 580 602) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:25:07,058 INFO L268 CegarLoopResult]: For program point L592-1(lines 580 602) no Hoare annotation was computed. [2020-10-14 23:25:07,058 INFO L268 CegarLoopResult]: For program point append_to_listEXIT(lines 562 568) no Hoare annotation was computed. [2020-10-14 23:25:07,058 INFO L264 CegarLoopResult]: At program point append_to_listENTRY(lines 562 568) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:25:07,059 INFO L268 CegarLoopResult]: For program point append_to_listFINAL(lines 562 568) no Hoare annotation was computed. [2020-10-14 23:25:07,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:25:07 BoogieIcfgContainer [2020-10-14 23:25:07,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:25:07,082 INFO L168 Benchmark]: Toolchain (without parser) took 2614.61 ms. Allocated memory was 147.3 MB in the beginning and 234.9 MB in the end (delta: 87.6 MB). Free memory was 100.8 MB in the beginning and 119.1 MB in the end (delta: -18.3 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2020-10-14 23:25:07,083 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.2 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 23:25:07,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.18 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 100.8 MB in the beginning and 169.2 MB in the end (delta: -68.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:25:07,085 INFO L168 Benchmark]: Boogie Preprocessor took 75.76 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 166.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-10-14 23:25:07,086 INFO L168 Benchmark]: RCFGBuilder took 599.13 ms. Allocated memory is still 203.9 MB. Free memory was 166.1 MB in the beginning and 120.6 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2020-10-14 23:25:07,087 INFO L168 Benchmark]: TraceAbstraction took 1330.74 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 119.7 MB in the beginning and 119.1 MB in the end (delta: 550.4 kB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-10-14 23:25:07,092 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.2 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 604.18 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 100.8 MB in the beginning and 169.2 MB in the end (delta: -68.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.76 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 166.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 599.13 ms. Allocated memory is still 203.9 MB. Free memory was 166.1 MB in the beginning and 120.6 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1330.74 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 119.7 MB in the beginning and 119.1 MB in the end (delta: 550.4 kB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 594]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 599]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((0 == high && low == 0) && high == 0) && low == 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 17 SDslu, 82 SDs, 0 SdLazy, 81 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 11 PreInvPairs, 12 NumberOfFragments, 76 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 1768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...