/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test28-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:49:32,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:49:32,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:49:32,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:49:32,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:49:32,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:49:32,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:49:32,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:49:32,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:49:32,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:49:32,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:49:32,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:49:32,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:49:32,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:49:32,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:49:32,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:49:32,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:49:32,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:49:32,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:49:33,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:49:33,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:49:33,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:49:33,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:49:33,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:49:33,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:49:33,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:49:33,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:49:33,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:49:33,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:49:33,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:49:33,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:49:33,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:49:33,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:49:33,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:49:33,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:49:33,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:49:33,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:49:33,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:49:33,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:49:33,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:49:33,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:49:33,023 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 [2020-09-25 07:49:33,066 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:49:33,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:49:33,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:49:33,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:49:33,069 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:49:33,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:49:33,070 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:49:33,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:49:33,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:49:33,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:49:33,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:49:33,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:49:33,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:49:33,072 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:49:33,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:49:33,072 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:49:33,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:49:33,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:49:33,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:49:33,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:49:33,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:49:33,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:49:33,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:49:33,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:49:33,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:49:33,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:49:33,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:49:33,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:49:33,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:49:33,075 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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:49:33,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:49:33,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:49:33,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:49:33,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:49:33,575 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:49:33,576 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test28-2.c [2020-09-25 07:49:33,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5450cd54/0a325fb7bfdc4edb8e62dde9ad266f4a/FLAG812d8845a [2020-09-25 07:49:34,210 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:49:34,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test28-2.c [2020-09-25 07:49:34,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5450cd54/0a325fb7bfdc4edb8e62dde9ad266f4a/FLAG812d8845a [2020-09-25 07:49:34,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5450cd54/0a325fb7bfdc4edb8e62dde9ad266f4a [2020-09-25 07:49:34,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:49:34,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:49:34,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:49:34,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:49:34,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:49:34,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:49:34" (1/1) ... [2020-09-25 07:49:34,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f72e2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34, skipping insertion in model container [2020-09-25 07:49:34,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:49:34" (1/1) ... [2020-09-25 07:49:34,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:49:34,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:49:34,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:49:34,867 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:49:34,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:49:34,903 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:49:34,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34 WrapperNode [2020-09-25 07:49:34,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:49:34,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:49:34,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:49:34,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:49:35,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34" (1/1) ... [2020-09-25 07:49:35,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34" (1/1) ... [2020-09-25 07:49:35,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34" (1/1) ... [2020-09-25 07:49:35,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34" (1/1) ... [2020-09-25 07:49:35,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34" (1/1) ... [2020-09-25 07:49:35,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34" (1/1) ... [2020-09-25 07:49:35,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34" (1/1) ... [2020-09-25 07:49:35,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:49:35,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:49:35,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:49:35,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:49:35,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34" (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 [2020-09-25 07:49:35,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:49:35,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:49:35,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:49:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:49:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:49:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:49:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:49:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:49:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:49:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:49:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:49:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:49:35,422 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:49:35,422 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 07:49:35,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:49:35 BoogieIcfgContainer [2020-09-25 07:49:35,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:49:35,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:49:35,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:49:35,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:49:35,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:49:34" (1/3) ... [2020-09-25 07:49:35,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6806b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:49:35, skipping insertion in model container [2020-09-25 07:49:35,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:49:34" (2/3) ... [2020-09-25 07:49:35,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6806b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:49:35, skipping insertion in model container [2020-09-25 07:49:35,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:49:35" (3/3) ... [2020-09-25 07:49:35,441 INFO L109 eAbstractionObserver]: Analyzing ICFG test28-2.c [2020-09-25 07:49:35,453 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:49:35,463 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:49:35,486 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:49:35,519 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:49:35,519 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:49:35,519 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:49:35,519 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:49:35,519 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:49:35,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:49:35,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:49:35,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:49:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-09-25 07:49:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-25 07:49:35,550 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:49:35,551 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] [2020-09-25 07:49:35,552 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:49:35,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:49:35,558 INFO L82 PathProgramCache]: Analyzing trace with hash -374520961, now seen corresponding path program 1 times [2020-09-25 07:49:35,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:49:35,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759370802] [2020-09-25 07:49:35,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:49:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:49:35,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:35,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:36,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:36,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:36,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:49:36,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-25 07:49:36,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:49:36,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 873 [2020-09-25 07:49:36,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:49:36,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:49:36,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:49:36,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 07:49:36,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:49:36,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 07:49:36,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:49:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:49:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:36,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:49:36,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:49:36,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:49:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 07:49:36,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:49:36,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:49:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:49:36,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:49:36,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:49:36,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:49:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:49:36,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759370802] [2020-09-25 07:49:36,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:49:36,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:49:36,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489809337] [2020-09-25 07:49:36,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:49:36,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:49:36,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:49:36,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:49:36,824 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 4 states. [2020-09-25 07:49:37,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:49:37,006 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2020-09-25 07:49:37,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 07:49:37,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-09-25 07:49:37,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:49:37,025 INFO L225 Difference]: With dead ends: 54 [2020-09-25 07:49:37,026 INFO L226 Difference]: Without dead ends: 29 [2020-09-25 07:49:37,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:49:37,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-09-25 07:49:37,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-09-25 07:49:37,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-09-25 07:49:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-09-25 07:49:37,084 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 24 [2020-09-25 07:49:37,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:49:37,084 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-09-25 07:49:37,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:49:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-09-25 07:49:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-25 07:49:37,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:49:37,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:49:37,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:49:37,087 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:49:37,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:49:37,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1400624444, now seen corresponding path program 1 times [2020-09-25 07:49:37,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:49:37,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1394396356] [2020-09-25 07:49:37,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:49:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:49:37,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:37,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:37,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:49:37,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-25 07:49:37,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:49:37,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-09-25 07:49:37,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:49:37,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:49:37,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:49:37,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 07:49:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 07:49:37,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:49:37,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:49:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:49:37,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:37,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:49:37,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:49:37,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:49:37,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 07:49:37,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:49:37,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:49:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:49:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:49:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:49:37,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:49:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:49:37,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1394396356] [2020-09-25 07:49:37,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:49:37,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 07:49:37,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144086164] [2020-09-25 07:49:37,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 07:49:37,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:49:37,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 07:49:37,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 07:49:37,628 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 7 states. [2020-09-25 07:49:37,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:49:37,756 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2020-09-25 07:49:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:49:37,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-25 07:49:37,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:49:37,758 INFO L225 Difference]: With dead ends: 38 [2020-09-25 07:49:37,759 INFO L226 Difference]: Without dead ends: 28 [2020-09-25 07:49:37,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-09-25 07:49:37,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-09-25 07:49:37,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-09-25 07:49:37,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-25 07:49:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2020-09-25 07:49:37,767 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2020-09-25 07:49:37,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:49:37,767 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2020-09-25 07:49:37,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 07:49:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2020-09-25 07:49:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-25 07:49:37,768 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:49:37,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:49:37,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:49:37,769 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:49:37,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:49:37,770 INFO L82 PathProgramCache]: Analyzing trace with hash -316312164, now seen corresponding path program 1 times [2020-09-25 07:49:37,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:49:37,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568891351] [2020-09-25 07:49:37,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:49:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:49:37,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:37,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:38,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:49:38,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-25 07:49:38,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:49:38,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-09-25 07:49:38,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:49:38,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:49:38,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 07:49:38,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 07:49:38,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 07:49:38,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:49:38,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:49:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:49:38,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:38,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:49:38,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:49:38,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:49:38,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:49:38,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:49:38,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:49:38,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:49:38,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:49:38,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:49:38,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:49:38,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:49:38,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568891351] [2020-09-25 07:49:38,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:49:38,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 07:49:38,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086590230] [2020-09-25 07:49:38,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 07:49:38,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:49:38,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 07:49:38,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 07:49:38,330 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 8 states. [2020-09-25 07:49:38,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:49:38,520 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2020-09-25 07:49:38,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 07:49:38,521 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-09-25 07:49:38,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:49:38,522 INFO L225 Difference]: With dead ends: 41 [2020-09-25 07:49:38,522 INFO L226 Difference]: Without dead ends: 27 [2020-09-25 07:49:38,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-25 07:49:38,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-09-25 07:49:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-09-25 07:49:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-09-25 07:49:38,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-09-25 07:49:38,529 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 26 [2020-09-25 07:49:38,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:49:38,530 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-09-25 07:49:38,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 07:49:38,530 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-09-25 07:49:38,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-25 07:49:38,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:49:38,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:49:38,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:49:38,532 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:49:38,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:49:38,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2080572732, now seen corresponding path program 1 times [2020-09-25 07:49:38,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:49:38,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781457713] [2020-09-25 07:49:38,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:49:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:49:38,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:38,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:38,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:39,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:49:39,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-25 07:49:39,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:49:39,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-09-25 07:49:39,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:49:39,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:49:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 07:49:39,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 07:49:39,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:49:39,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:49:39,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:49:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:49:39,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:49:39,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:49:39,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:49:39,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:49:39,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:49:39,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:49:39,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:49:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:49:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:49:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:49:39,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:49:39,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 07:49:39,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781457713] [2020-09-25 07:49:39,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:49:39,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:49:39,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967454601] [2020-09-25 07:49:39,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:49:39,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:49:39,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:49:39,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:49:39,220 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 5 states. [2020-09-25 07:49:39,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:49:39,263 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-09-25 07:49:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 07:49:39,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-09-25 07:49:39,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:49:39,265 INFO L225 Difference]: With dead ends: 27 [2020-09-25 07:49:39,265 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:49:39,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:49:39,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:49:39,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:49:39,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:49:39,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:49:39,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-09-25 07:49:39,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:49:39,268 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:49:39,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:49:39,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:49:39,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:49:39,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:49:39,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:49:39,311 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 07:49:39,311 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 07:49:39,311 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 07:49:39,311 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-25 07:49:39,312 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 07:49:39,312 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 07:49:39,312 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 07:49:39,312 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 07:49:39,312 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 07:49:39,312 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-09-25 07:49:39,312 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 10 28) no Hoare annotation was computed. [2020-09-25 07:49:39,313 INFO L268 CegarLoopResult]: For program point L15(lines 15 19) no Hoare annotation was computed. [2020-09-25 07:49:39,313 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-25 07:49:39,313 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-25 07:49:39,313 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-09-25 07:49:39,313 INFO L268 CegarLoopResult]: For program point L20-2(line 20) no Hoare annotation was computed. [2020-09-25 07:49:39,313 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 07:49:39,313 INFO L268 CegarLoopResult]: For program point L20-4(lines 20 22) no Hoare annotation was computed. [2020-09-25 07:49:39,313 INFO L268 CegarLoopResult]: For program point L20-5(line 20) no Hoare annotation was computed. [2020-09-25 07:49:39,314 INFO L268 CegarLoopResult]: For program point L20-6(line 20) no Hoare annotation was computed. [2020-09-25 07:49:39,314 INFO L268 CegarLoopResult]: For program point L20-7(line 20) no Hoare annotation was computed. [2020-09-25 07:49:39,314 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-25 07:49:39,314 INFO L268 CegarLoopResult]: For program point L20-8(line 20) no Hoare annotation was computed. [2020-09-25 07:49:39,314 INFO L268 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-09-25 07:49:39,314 INFO L268 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-09-25 07:49:39,314 INFO L268 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-09-25 07:49:39,315 INFO L268 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-09-25 07:49:39,315 INFO L268 CegarLoopResult]: For program point L12-5(line 12) no Hoare annotation was computed. [2020-09-25 07:49:39,315 INFO L268 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-09-25 07:49:39,315 INFO L268 CegarLoopResult]: For program point L12-7(line 12) no Hoare annotation was computed. [2020-09-25 07:49:39,315 INFO L268 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-09-25 07:49:39,315 INFO L268 CegarLoopResult]: For program point L12-9(line 12) no Hoare annotation was computed. [2020-09-25 07:49:39,315 INFO L264 CegarLoopResult]: At program point L21(lines 11 28) the Hoare annotation is: false [2020-09-25 07:49:39,316 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-09-25 07:49:39,316 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 10 28) no Hoare annotation was computed. [2020-09-25 07:49:39,316 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-09-25 07:49:39,316 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2020-09-25 07:49:39,316 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 10 28) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 07:49:39,316 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-25 07:49:39,316 INFO L268 CegarLoopResult]: For program point L18-1(lines 15 19) no Hoare annotation was computed. [2020-09-25 07:49:39,317 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-25 07:49:39,317 INFO L268 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed. [2020-09-25 07:49:39,317 INFO L268 CegarLoopResult]: For program point L14-3(line 14) no Hoare annotation was computed. [2020-09-25 07:49:39,317 INFO L268 CegarLoopResult]: For program point L14-4(line 14) no Hoare annotation was computed. [2020-09-25 07:49:39,317 INFO L268 CegarLoopResult]: For program point L14-5(line 14) no Hoare annotation was computed. [2020-09-25 07:49:39,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 07:49:39 BoogieIcfgContainer [2020-09-25 07:49:39,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 07:49:39,334 INFO L168 Benchmark]: Toolchain (without parser) took 4775.78 ms. Allocated memory was 138.4 MB in the beginning and 247.5 MB in the end (delta: 109.1 MB). Free memory was 101.9 MB in the beginning and 146.1 MB in the end (delta: -44.2 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB. [2020-09-25 07:49:39,335 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 07:49:39,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.76 ms. Allocated memory is still 138.4 MB. Free memory was 101.2 MB in the beginning and 91.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-25 07:49:39,337 INFO L168 Benchmark]: Boogie Preprocessor took 121.89 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 91.4 MB in the beginning and 179.3 MB in the end (delta: -87.9 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-09-25 07:49:39,338 INFO L168 Benchmark]: RCFGBuilder took 400.84 ms. Allocated memory is still 201.3 MB. Free memory was 179.3 MB in the beginning and 163.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2020-09-25 07:49:39,339 INFO L168 Benchmark]: TraceAbstraction took 3901.23 ms. Allocated memory was 201.3 MB in the beginning and 247.5 MB in the end (delta: 46.1 MB). Free memory was 162.3 MB in the beginning and 146.1 MB in the end (delta: 16.2 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. [2020-09-25 07:49:39,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 343.76 ms. Allocated memory is still 138.4 MB. Free memory was 101.2 MB in the beginning and 91.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.89 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 91.4 MB in the beginning and 179.3 MB in the end (delta: -87.9 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 400.84 ms. Allocated memory is still 201.3 MB. Free memory was 179.3 MB in the beginning and 163.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3901.23 ms. Allocated memory was 201.3 MB in the beginning and 247.5 MB in the end (delta: 46.1 MB). Free memory was 162.3 MB in the beginning and 146.1 MB in the end (delta: 16.2 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 96 SDtfs, 49 SDslu, 215 SDs, 0 SdLazy, 193 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 16 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 5909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...