/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invariants/odd.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:47:30,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:47:30,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:47:31,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:47:31,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:47:31,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:47:31,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:47:31,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:47:31,207 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:47:31,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:47:31,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:47:31,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:47:31,213 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:47:31,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:47:31,215 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:47:31,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:47:31,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:47:31,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:47:31,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:47:31,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:47:31,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:47:31,217 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:47:31,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:47:31,217 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:47:31,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:47:31,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:47:31,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:47:31,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:47:31,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:47:31,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:47:31,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:47:31,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:47:31,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:47:31,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:47:31,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:47:31,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:47:31,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:47:31,220 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:47:31,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:47:31,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:47:31,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:47:31,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:47:31,726 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:47:31,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/odd.c [2020-11-06 22:47:31,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8257dd34/9bf3d79c5c1b42c8a091ea71656607d0/FLAG4990de9a8 [2020-11-06 22:47:32,367 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:47:32,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/odd.c [2020-11-06 22:47:32,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8257dd34/9bf3d79c5c1b42c8a091ea71656607d0/FLAG4990de9a8 [2020-11-06 22:47:32,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8257dd34/9bf3d79c5c1b42c8a091ea71656607d0 [2020-11-06 22:47:32,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:47:32,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:47:32,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:47:32,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:47:32,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:47:32,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:47:32" (1/1) ... [2020-11-06 22:47:32,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723f04c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32, skipping insertion in model container [2020-11-06 22:47:32,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:47:32" (1/1) ... [2020-11-06 22:47:32,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:47:32,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:47:32,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:47:32,928 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:47:32,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:47:32,961 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:47:32,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32 WrapperNode [2020-11-06 22:47:32,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:47:32,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:47:32,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:47:32,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:47:32,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32" (1/1) ... [2020-11-06 22:47:32,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32" (1/1) ... [2020-11-06 22:47:32,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32" (1/1) ... [2020-11-06 22:47:32,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32" (1/1) ... [2020-11-06 22:47:33,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32" (1/1) ... [2020-11-06 22:47:33,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32" (1/1) ... [2020-11-06 22:47:33,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32" (1/1) ... [2020-11-06 22:47:33,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:47:33,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:47:33,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:47:33,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:47:33,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-11-06 22:47:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:47:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:47:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:47:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-06 22:47:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:47:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:47:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:47:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:47:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:47:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:47:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 22:47:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:47:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:47:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:47:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:47:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:47:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:47:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:47:33,477 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:47:33,481 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:47:33,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:47:33 BoogieIcfgContainer [2020-11-06 22:47:33,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:47:33,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:47:33,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:47:33,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:47:33,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:47:32" (1/3) ... [2020-11-06 22:47:33,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe7420b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:47:33, skipping insertion in model container [2020-11-06 22:47:33,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:47:32" (2/3) ... [2020-11-06 22:47:33,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe7420b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:47:33, skipping insertion in model container [2020-11-06 22:47:33,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:47:33" (3/3) ... [2020-11-06 22:47:33,508 INFO L111 eAbstractionObserver]: Analyzing ICFG odd.c [2020-11-06 22:47:33,527 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:47:33,536 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:47:33,551 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:47:33,599 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:47:33,599 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:47:33,599 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:47:33,600 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:47:33,600 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:47:33,600 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:47:33,600 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:47:33,600 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:47:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-11-06 22:47:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-06 22:47:33,633 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:47:33,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:47:33,635 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:47:33,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:47:33,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1253325290, now seen corresponding path program 1 times [2020-11-06 22:47:33,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:47:33,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121252572] [2020-11-06 22:47:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:47:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:47:34,075 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-11-06 22:47:34,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:47:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:47:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:47:34,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121252572] [2020-11-06 22:47:34,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:47:34,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:47:34,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622453171] [2020-11-06 22:47:34,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:47:34,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:47:34,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:47:34,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:47:34,157 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2020-11-06 22:47:34,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:47:34,219 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2020-11-06 22:47:34,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:47:34,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-11-06 22:47:34,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:47:34,229 INFO L225 Difference]: With dead ends: 37 [2020-11-06 22:47:34,230 INFO L226 Difference]: Without dead ends: 14 [2020-11-06 22:47:34,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:47:34,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-06 22:47:34,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-11-06 22:47:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-06 22:47:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-11-06 22:47:34,277 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2020-11-06 22:47:34,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:47:34,278 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-11-06 22:47:34,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:47:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-11-06 22:47:34,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-06 22:47:34,279 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:47:34,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:47:34,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:47:34,279 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:47:34,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:47:34,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1870115582, now seen corresponding path program 1 times [2020-11-06 22:47:34,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:47:34,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928140871] [2020-11-06 22:47:34,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:47:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:47:34,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:47:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:47:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:47:34,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928140871] [2020-11-06 22:47:34,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:47:34,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:47:34,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007645121] [2020-11-06 22:47:34,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 22:47:34,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:47:34,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 22:47:34,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:47:34,470 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 6 states. [2020-11-06 22:47:34,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:47:34,660 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2020-11-06 22:47:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:47:34,660 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-11-06 22:47:34,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:47:34,662 INFO L225 Difference]: With dead ends: 22 [2020-11-06 22:47:34,662 INFO L226 Difference]: Without dead ends: 16 [2020-11-06 22:47:34,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:47:34,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-06 22:47:34,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-06 22:47:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-06 22:47:34,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-11-06 22:47:34,673 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2020-11-06 22:47:34,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:47:34,673 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-11-06 22:47:34,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 22:47:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-11-06 22:47:34,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-06 22:47:34,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:47:34,675 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:47:34,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:47:34,675 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:47:34,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:47:34,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1601200473, now seen corresponding path program 1 times [2020-11-06 22:47:34,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:47:34,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304747758] [2020-11-06 22:47:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:47:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:47:34,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:47:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:47:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:47:34,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304747758] [2020-11-06 22:47:34,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526615891] [2020-11-06 22:47:34,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-11-06 22:47:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:47:34,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:47:34,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:47:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:47:35,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:47:35,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2020-11-06 22:47:35,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399176464] [2020-11-06 22:47:35,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:47:35,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:47:35,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:47:35,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:47:35,009 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 8 states. [2020-11-06 22:47:35,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:47:35,303 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2020-11-06 22:47:35,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:47:35,303 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-11-06 22:47:35,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:47:35,304 INFO L225 Difference]: With dead ends: 19 [2020-11-06 22:47:35,304 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:47:35,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:47:35,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:47:35,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:47:35,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:47:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:47:35,306 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-11-06 22:47:35,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:47:35,306 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:47:35,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:47:35,307 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:47:35,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:47:35,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:47:35,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:47:35,696 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 22:47:35,696 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 22:47:35,696 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 22:47:35,697 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 22:47:35,697 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:47:35,697 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:47:35,697 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:47:35,697 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:47:35,698 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:47:35,698 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:47:35,698 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:47:35,698 INFO L269 CegarLoopResult]: At program point mainENTRY(lines 11 18) the Hoare annotation is: true [2020-11-06 22:47:35,698 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 11 18) no Hoare annotation was computed. [2020-11-06 22:47:35,698 INFO L266 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-11-06 22:47:35,698 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 11 18) no Hoare annotation was computed. [2020-11-06 22:47:35,698 INFO L266 CegarLoopResult]: For program point L13-1(lines 13 15) no Hoare annotation was computed. [2020-11-06 22:47:35,699 INFO L262 CegarLoopResult]: At program point L13-3(lines 13 15) the Hoare annotation is: (<= (+ (* 2 (div main_~x~0 2)) 1) main_~x~0) [2020-11-06 22:47:35,699 INFO L262 CegarLoopResult]: At program point L13-4(lines 13 15) the Hoare annotation is: (<= (+ (* 2 (div main_~x~0 2)) 1) main_~x~0) [2020-11-06 22:47:35,699 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 5 10) the Hoare annotation is: true [2020-11-06 22:47:35,699 INFO L266 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 5 10) no Hoare annotation was computed. [2020-11-06 22:47:35,699 INFO L262 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~cond|)) [2020-11-06 22:47:35,699 INFO L266 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-11-06 22:47:35,700 INFO L266 CegarLoopResult]: For program point L7-1(line 7) no Hoare annotation was computed. [2020-11-06 22:47:35,700 INFO L266 CegarLoopResult]: For program point L6-2(lines 5 10) no Hoare annotation was computed. [2020-11-06 22:47:35,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:47:35 BoogieIcfgContainer [2020-11-06 22:47:35,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:47:35,717 INFO L168 Benchmark]: Toolchain (without parser) took 3011.39 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 108.2 MB in the beginning and 130.6 MB in the end (delta: -22.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:47:35,718 INFO L168 Benchmark]: CDTParser took 2.28 ms. Allocated memory is still 151.0 MB. Free memory is still 124.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:47:35,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.52 ms. Allocated memory is still 151.0 MB. Free memory was 107.6 MB in the beginning and 125.9 MB in the end (delta: -18.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:47:35,720 INFO L168 Benchmark]: Boogie Preprocessor took 48.82 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 134.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:47:35,721 INFO L168 Benchmark]: RCFGBuilder took 465.78 ms. Allocated memory is still 151.0 MB. Free memory was 134.2 MB in the beginning and 121.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:47:35,722 INFO L168 Benchmark]: TraceAbstraction took 2226.29 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 120.6 MB in the beginning and 130.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:47:35,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.28 ms. Allocated memory is still 151.0 MB. Free memory is still 124.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 250.52 ms. Allocated memory is still 151.0 MB. Free memory was 107.6 MB in the beginning and 125.9 MB in the end (delta: -18.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 48.82 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 134.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 465.78 ms. Allocated memory is still 151.0 MB. Free memory was 134.2 MB in the beginning and 121.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2226.29 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 120.6 MB in the beginning and 130.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 13]: Loop Invariant Derived loop invariant: 2 * (x / 2) + 1 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 39 SDtfs, 30 SDslu, 48 SDs, 0 SdLazy, 65 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 17 PreInvPairs, 22 NumberOfFragments, 58 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 268 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 2531 SizeOfPredicates, 2 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/4 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...