/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test29-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:44:18,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:44:18,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:44:18,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:44:18,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:44:18,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:44:18,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:44:18,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:44:18,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:44:18,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:44:18,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:44:18,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:44:18,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:44:18,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:44:18,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:44:18,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:44:18,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:44:18,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:44:18,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:44:18,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:44:18,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:44:18,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:44:18,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:44:18,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:44:18,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:44:18,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:44:18,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:44:18,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:44:18,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:44:18,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-24 22:44:18,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:44:18,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:44:18,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:44:18,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 22:44:18,663 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:44:18,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:44:18,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:44:18,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:44:18,665 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:44:18,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:44:18,666 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:44:18,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:44:18,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:44:18,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:44:18,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:44:18,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:44:18,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:44:18,667 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:44:18,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:44:18,667 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:44:18,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:44:18,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:44:18,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:44:18,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:44:18,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:44:18,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:44:18,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:44:18,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:44:18,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:44:18,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:44:18,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:44:18,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:44:18,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:44:18,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:44:19,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:44:19,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:44:19,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:44:19,185 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:44:19,187 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:44:19,188 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test29-1.c [2020-09-24 22:44:19,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0760ed6d8/2ef2322cc23d48d799b169bdb2dab873/FLAG0288020a8 [2020-09-24 22:44:19,837 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:44:19,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test29-1.c [2020-09-24 22:44:19,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0760ed6d8/2ef2322cc23d48d799b169bdb2dab873/FLAG0288020a8 [2020-09-24 22:44:20,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0760ed6d8/2ef2322cc23d48d799b169bdb2dab873 [2020-09-24 22:44:20,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:44:20,172 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:44:20,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:44:20,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:44:20,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:44:20,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:44:20" (1/1) ... [2020-09-24 22:44:20,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756d08d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20, skipping insertion in model container [2020-09-24 22:44:20,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:44:20" (1/1) ... [2020-09-24 22:44:20,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:44:20,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:44:20,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:44:20,457 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:44:20,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:44:20,495 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:44:20,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20 WrapperNode [2020-09-24 22:44:20,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:44:20,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:44:20,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:44:20,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:44:20,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20" (1/1) ... [2020-09-24 22:44:20,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20" (1/1) ... [2020-09-24 22:44:20,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20" (1/1) ... [2020-09-24 22:44:20,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20" (1/1) ... [2020-09-24 22:44:20,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20" (1/1) ... [2020-09-24 22:44:20,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20" (1/1) ... [2020-09-24 22:44:20,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20" (1/1) ... [2020-09-24 22:44:20,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:44:20,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:44:20,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:44:20,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:44:20,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:44:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:44:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:44:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:44:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:44:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:44:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:44:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:44:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:44:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:44:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:44:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:44:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:44:20,979 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:44:20,980 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 22:44:20,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:44:20 BoogieIcfgContainer [2020-09-24 22:44:20,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:44:20,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:44:20,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:44:20,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:44:20,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:44:20" (1/3) ... [2020-09-24 22:44:20,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9decda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:44:20, skipping insertion in model container [2020-09-24 22:44:20,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:44:20" (2/3) ... [2020-09-24 22:44:20,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9decda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:44:20, skipping insertion in model container [2020-09-24 22:44:20,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:44:20" (3/3) ... [2020-09-24 22:44:20,998 INFO L109 eAbstractionObserver]: Analyzing ICFG test29-1.c [2020-09-24 22:44:21,014 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:44:21,045 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:44:21,096 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:44:21,126 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:44:21,126 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:44:21,126 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:44:21,126 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:44:21,126 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:44:21,126 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:44:21,127 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:44:21,127 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:44:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-09-24 22:44:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-24 22:44:21,157 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:21,158 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:44:21,158 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:44:21,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:21,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1161029953, now seen corresponding path program 1 times [2020-09-24 22:44:21,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:21,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437395549] [2020-09-24 22:44:21,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:21,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:21,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:21,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:21,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:22,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:22,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 22:44:22,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:44:22,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 823 [2020-09-24 22:44:22,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:44:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:44:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 22:44:22,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 22:44:22,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:22,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:22,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:22,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:22,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:22,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:44:22,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:22,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:44:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:22,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437395549] [2020-09-24 22:44:22,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:22,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 22:44:22,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506197562] [2020-09-24 22:44:22,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 22:44:22,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:22,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 22:44:22,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 22:44:22,301 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2020-09-24 22:44:22,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:22,476 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2020-09-24 22:44:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 22:44:22,480 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-09-24 22:44:22,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:22,496 INFO L225 Difference]: With dead ends: 57 [2020-09-24 22:44:22,497 INFO L226 Difference]: Without dead ends: 32 [2020-09-24 22:44:22,503 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 [2020-09-24 22:44:22,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-09-24 22:44:22,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-09-24 22:44:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-24 22:44:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-09-24 22:44:22,557 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 27 [2020-09-24 22:44:22,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:22,558 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-09-24 22:44:22,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 22:44:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-09-24 22:44:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-09-24 22:44:22,560 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:22,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:44:22,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:44:22,560 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:44:22,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:22,561 INFO L82 PathProgramCache]: Analyzing trace with hash -403696930, now seen corresponding path program 1 times [2020-09-24 22:44:22,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:22,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155857231] [2020-09-24 22:44:22,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:22,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:22,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:22,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:23,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:23,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 22:44:23,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:44:23,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 889 [2020-09-24 22:44:23,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:44:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 22:44:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:44:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:44:23,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:44:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:44:23,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:44:23,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:44:23,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:44:23,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:44:23,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:44:23,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:44:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:44:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:44:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:44:23,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:44:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:44:23,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155857231] [2020-09-24 22:44:23,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:44:23,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 22:44:23,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504397300] [2020-09-24 22:44:23,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 22:44:23,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:44:23,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 22:44:23,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 22:44:23,562 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 7 states. [2020-09-24 22:44:23,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:44:23,702 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2020-09-24 22:44:23,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 22:44:23,703 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2020-09-24 22:44:23,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:44:23,704 INFO L225 Difference]: With dead ends: 41 [2020-09-24 22:44:23,705 INFO L226 Difference]: Without dead ends: 31 [2020-09-24 22:44:23,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:44:23,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-24 22:44:23,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-09-24 22:44:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-24 22:44:23,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2020-09-24 22:44:23,712 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2020-09-24 22:44:23,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:44:23,713 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2020-09-24 22:44:23,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 22:44:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2020-09-24 22:44:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-09-24 22:44:23,715 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:44:23,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:44:23,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:44:23,715 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:44:23,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:44:23,716 INFO L82 PathProgramCache]: Analyzing trace with hash -2120633538, now seen corresponding path program 1 times [2020-09-24 22:44:23,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:44:23,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724364044] [2020-09-24 22:44:23,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:44:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 22:44:23,731 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 22:44:23,732 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 22:44:23,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:44:23,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:44:23 BoogieIcfgContainer [2020-09-24 22:44:23,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 22:44:23,764 INFO L168 Benchmark]: Toolchain (without parser) took 3594.92 ms. Allocated memory was 140.0 MB in the beginning and 235.9 MB in the end (delta: 95.9 MB). Free memory was 101.8 MB in the beginning and 101.9 MB in the end (delta: -63.8 kB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. [2020-09-24 22:44:23,765 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 120.2 MB in the beginning and 119.8 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-24 22:44:23,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.19 ms. Allocated memory is still 140.0 MB. Free memory was 101.0 MB in the beginning and 91.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-24 22:44:23,767 INFO L168 Benchmark]: Boogie Preprocessor took 114.54 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 91.1 MB in the beginning and 179.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-09-24 22:44:23,768 INFO L168 Benchmark]: RCFGBuilder took 376.70 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 163.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2020-09-24 22:44:23,769 INFO L168 Benchmark]: TraceAbstraction took 2770.78 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 163.2 MB in the beginning and 101.9 MB in the end (delta: 61.3 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. [2020-09-24 22:44:23,773 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 120.2 MB in the beginning and 119.8 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.19 ms. Allocated memory is still 140.0 MB. Free memory was 101.0 MB in the beginning and 91.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.54 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 91.1 MB in the beginning and 179.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 376.70 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 163.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2770.78 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 163.2 MB in the beginning and 101.9 MB in the end (delta: 61.3 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] union dummy d1, d2; [L14] int n = __VERIFIER_nondet_int(); [L15] EXPR n ? &d1 : &d2 [L15] union dummy *pd = n ? &d1 : &d2; [L16] d1.a = __VERIFIER_nondet_int() [L17] COND FALSE !(pd == &d1) [L20] pd->b = 0 [L22] pd == &d2 && d1.a != 0 [L22] EXPR d1.a [L22] pd == &d2 && d1.a != 0 [L22] COND TRUE pd == &d2 && d1.a != 0 [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 71 SDtfs, 10 SDslu, 143 SDs, 0 SdLazy, 109 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 2728 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 incorrect! Received shutdown request...