/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 07:45:59,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 07:45:59,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 07:45:59,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 07:45:59,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 07:45:59,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 07:45:59,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 07:45:59,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 07:45:59,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 07:45:59,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 07:45:59,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 07:45:59,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 07:45:59,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 07:45:59,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 07:45:59,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 07:45:59,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 07:45:59,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 07:45:59,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 07:45:59,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 07:45:59,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 07:45:59,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 07:45:59,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 07:45:59,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 07:45:59,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 07:45:59,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 07:45:59,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 07:45:59,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 07:45:59,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 07:45:59,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 07:45:59,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 07:45:59,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 07:45:59,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 07:45:59,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 07:45:59,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 07:45:59,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 07:45:59,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 07:45:59,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 07:45:59,933 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 07:45:59,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 07:45:59,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 07:45:59,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 07:45:59,937 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 07:45:59,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 07:45:59,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 07:45:59,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 07:45:59,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 07:45:59,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 07:45:59,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 07:45:59,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 07:45:59,940 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 07:45:59,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 07:45:59,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 07:45:59,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 07:45:59,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 07:45:59,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 07:45:59,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 07:45:59,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 07:45:59,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 07:45:59,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 07:45:59,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 07:45:59,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 07:45:59,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 07:45:59,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 07:46:00,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 07:46:00,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 07:46:00,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 07:46:00,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 07:46:00,435 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 07:46:00,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c [2020-12-23 07:46:00,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7712b0a4c/9f18bf82dadb46c195ef67e9872131d9/FLAG0ee0b6bb4 [2020-12-23 07:46:01,260 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 07:46:01,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c [2020-12-23 07:46:01,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7712b0a4c/9f18bf82dadb46c195ef67e9872131d9/FLAG0ee0b6bb4 [2020-12-23 07:46:01,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7712b0a4c/9f18bf82dadb46c195ef67e9872131d9 [2020-12-23 07:46:01,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 07:46:01,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 07:46:01,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 07:46:01,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 07:46:01,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 07:46:01,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6811ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01, skipping insertion in model container [2020-12-23 07:46:01,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 07:46:01,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 07:46:01,821 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c[555,568] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] [2020-12-23 07:46:01,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:46:01,848 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 07:46:01,862 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c[555,568] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~x~0,] [2020-12-23 07:46:01,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:46:01,885 INFO L208 MainTranslator]: Completed translation [2020-12-23 07:46:01,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01 WrapperNode [2020-12-23 07:46:01,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 07:46:01,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 07:46:01,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 07:46:01,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 07:46:01,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 07:46:01,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 07:46:01,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 07:46:01,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 07:46:01,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (1/1) ... [2020-12-23 07:46:01,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 07:46:01,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 07:46:01,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 07:46:01,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 07:46:01,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 07:46:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 07:46:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 07:46:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 07:46:02,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 07:46:02,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 07:46:02,366 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-23 07:46:02,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:46:02 BoogieIcfgContainer [2020-12-23 07:46:02,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 07:46:02,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 07:46:02,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 07:46:02,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 07:46:02,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 07:46:01" (1/3) ... [2020-12-23 07:46:02,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123a445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:46:02, skipping insertion in model container [2020-12-23 07:46:02,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:46:01" (2/3) ... [2020-12-23 07:46:02,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123a445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:46:02, skipping insertion in model container [2020-12-23 07:46:02,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:46:02" (3/3) ... [2020-12-23 07:46:02,394 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-u_unwindbound20.c [2020-12-23 07:46:02,411 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 07:46:02,420 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 07:46:02,446 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 07:46:02,478 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 07:46:02,478 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 07:46:02,478 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 07:46:02,478 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 07:46:02,479 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 07:46:02,479 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 07:46:02,479 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 07:46:02,479 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 07:46:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-12-23 07:46:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-23 07:46:02,501 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:46:02,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-23 07:46:02,503 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:46:02,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:46:02,510 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2020-12-23 07:46:02,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:46:02,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018585749] [2020-12-23 07:46:02,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:46:02,636 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:46:02,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704643924] [2020-12-23 07:46:02,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:46:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:46:02,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 07:46:02,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:46:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:46:02,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018585749] [2020-12-23 07:46:02,846 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:46:02,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704643924] [2020-12-23 07:46:02,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:46:02,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 07:46:02,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330040424] [2020-12-23 07:46:02,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 07:46:02,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:46:02,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 07:46:02,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 07:46:02,874 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2020-12-23 07:46:02,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:46:02,989 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2020-12-23 07:46:02,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 07:46:02,991 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-12-23 07:46:02,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:46:03,003 INFO L225 Difference]: With dead ends: 39 [2020-12-23 07:46:03,003 INFO L226 Difference]: Without dead ends: 21 [2020-12-23 07:46:03,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 07:46:03,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-23 07:46:03,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2020-12-23 07:46:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-23 07:46:03,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2020-12-23 07:46:03,046 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 6 [2020-12-23 07:46:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:46:03,047 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-12-23 07:46:03,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 07:46:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-12-23 07:46:03,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-23 07:46:03,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:46:03,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:46:03,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2020-12-23 07:46:03,264 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:46:03,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:46:03,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1806862075, now seen corresponding path program 1 times [2020-12-23 07:46:03,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:46:03,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235059772] [2020-12-23 07:46:03,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:46:03,311 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:46:03,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [296449580] [2020-12-23 07:46:03,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:46:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:46:03,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 07:46:03,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:46:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:46:03,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235059772] [2020-12-23 07:46:03,415 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:46:03,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296449580] [2020-12-23 07:46:03,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:46:03,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 07:46:03,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619870711] [2020-12-23 07:46:03,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 07:46:03,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:46:03,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 07:46:03,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 07:46:03,421 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 4 states. [2020-12-23 07:46:03,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:46:03,434 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2020-12-23 07:46:03,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 07:46:03,435 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-23 07:46:03,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:46:03,436 INFO L225 Difference]: With dead ends: 19 [2020-12-23 07:46:03,436 INFO L226 Difference]: Without dead ends: 15 [2020-12-23 07:46:03,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 07:46:03,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-23 07:46:03,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-23 07:46:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-23 07:46:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-12-23 07:46:03,441 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 7 [2020-12-23 07:46:03,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:46:03,441 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-12-23 07:46:03,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 07:46:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-12-23 07:46:03,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 07:46:03,442 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:46:03,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:46:03,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:46:03,656 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:46:03,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:46:03,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1274494228, now seen corresponding path program 1 times [2020-12-23 07:46:03,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:46:03,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172585691] [2020-12-23 07:46:03,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:46:03,682 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:46:03,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047270090] [2020-12-23 07:46:03,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:46:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 07:46:03,724 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 07:46:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 07:46:03,736 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 07:46:03,773 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 07:46:03,773 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 07:46:03,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:46:04,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 07:46:04 BoogieIcfgContainer [2020-12-23 07:46:04,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 07:46:04,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 07:46:04,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 07:46:04,036 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 07:46:04,037 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:46:02" (3/4) ... [2020-12-23 07:46:04,039 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 07:46:04,089 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/nla-digbench-scaling/geo1-u_unwindbound20.c-witness.graphml [2020-12-23 07:46:04,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 07:46:04,092 INFO L168 Benchmark]: Toolchain (without parser) took 2456.31 ms. Allocated memory is still 162.5 MB. Free memory was 138.5 MB in the beginning and 119.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 8.0 GB. [2020-12-23 07:46:04,092 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 162.5 MB. Free memory is still 137.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 07:46:04,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.98 ms. Allocated memory is still 162.5 MB. Free memory was 138.2 MB in the beginning and 128.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 07:46:04,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.93 ms. Allocated memory is still 162.5 MB. Free memory was 128.6 MB in the beginning and 127.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 07:46:04,095 INFO L168 Benchmark]: Boogie Preprocessor took 24.32 ms. Allocated memory is still 162.5 MB. Free memory was 127.0 MB in the beginning and 126.2 MB in the end (delta: 789.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 07:46:04,095 INFO L168 Benchmark]: RCFGBuilder took 418.36 ms. Allocated memory is still 162.5 MB. Free memory was 125.9 MB in the beginning and 113.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-23 07:46:04,096 INFO L168 Benchmark]: TraceAbstraction took 1658.76 ms. Allocated memory is still 162.5 MB. Free memory was 113.4 MB in the beginning and 121.1 MB in the end (delta: -7.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 07:46:04,097 INFO L168 Benchmark]: Witness Printer took 54.01 ms. Allocated memory is still 162.5 MB. Free memory was 121.1 MB in the beginning and 119.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 07:46:04,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 162.5 MB. Free memory is still 137.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 249.98 ms. Allocated memory is still 162.5 MB. Free memory was 138.2 MB in the beginning and 128.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.93 ms. Allocated memory is still 162.5 MB. Free memory was 128.6 MB in the beginning and 127.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.32 ms. Allocated memory is still 162.5 MB. Free memory was 127.0 MB in the beginning and 126.2 MB in the end (delta: 789.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 418.36 ms. Allocated memory is still 162.5 MB. Free memory was 125.9 MB in the beginning and 113.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1658.76 ms. Allocated memory is still 162.5 MB. Free memory was 113.4 MB in the beginning and 121.1 MB in the end (delta: -7.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 54.01 ms. Allocated memory is still 162.5 MB. Free memory was 121.1 MB in the beginning and 119.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; VAL [counter=0] [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [counter=0] [L33] EXPR counter++ VAL [counter=1] [L33] COND TRUE counter++<20 [L16] COND FALSE !(!(cond)) VAL [counter=1] [L36] COND TRUE !(c < k) VAL [counter=1] [L45] x = x * (z - 1) [L16] COND TRUE !(cond) VAL [counter=1] [L18] reach_error() VAL [counter=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 8 SDslu, 42 SDs, 0 SdLazy, 24 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 4 NumberOfNonLiveVariables, 112 ConjunctsInSsa, 13 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...