/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test22-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:18:42,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:18:42,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:18:42,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:18:42,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:18:42,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:18:42,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:18:42,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:18:42,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:18:42,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:18:42,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:18:42,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:18:42,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:18:42,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:18:42,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:18:42,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:18:42,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:18:42,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:18:42,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:18:42,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:18:42,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:18:42,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:18:42,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:18:42,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:18:42,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:18:42,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:18:42,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:18:42,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:18:42,656 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 [2020-07-07 11:18:42,675 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:18:42,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:18:42,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:18:42,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:18:42,678 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:18:42,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:18:42,678 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:18:42,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:18:42,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:18:42,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:18:42,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:18:42,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:18:42,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:18:42,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:18:42,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:18:42,682 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:18:42,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:18:42,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:18:42,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:18:42,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:18:42,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:18:42,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:18:42,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:18:42,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:18:42,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:18:42,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:18:42,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:18:42,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:18:42,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:18:42,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:18:42,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:18:42,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:18:43,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:18:43,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:18:43,004 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:18:43,005 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test22-2.c [2020-07-07 11:18:43,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4406f9b0a/45dd7fd0da2a47e39f61975c5f0889b4/FLAGd316b01d5 [2020-07-07 11:18:43,538 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:18:43,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test22-2.c [2020-07-07 11:18:43,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4406f9b0a/45dd7fd0da2a47e39f61975c5f0889b4/FLAGd316b01d5 [2020-07-07 11:18:43,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4406f9b0a/45dd7fd0da2a47e39f61975c5f0889b4 [2020-07-07 11:18:43,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:18:43,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:18:43,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:18:43,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:18:43,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:18:43,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:18:43" (1/1) ... [2020-07-07 11:18:43,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42013dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:43, skipping insertion in model container [2020-07-07 11:18:43,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:18:43" (1/1) ... [2020-07-07 11:18:43,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:18:43,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:18:44,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:18:44,212 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:18:44,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:18:44,256 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:18:44,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:44 WrapperNode [2020-07-07 11:18:44,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:18:44,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:18:44,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:18:44,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:18:44,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:44" (1/1) ... [2020-07-07 11:18:44,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:44" (1/1) ... [2020-07-07 11:18:44,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:44" (1/1) ... [2020-07-07 11:18:44,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:44" (1/1) ... [2020-07-07 11:18:44,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:44" (1/1) ... [2020-07-07 11:18:44,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:44" (1/1) ... [2020-07-07 11:18:44,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:44" (1/1) ... [2020-07-07 11:18:44,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:18:44,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:18:44,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:18:44,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:18:44,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:44" (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 [2020-07-07 11:18:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:18:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:18:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-07-07 11:18:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2020-07-07 11:18:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-07-07 11:18:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:18:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:18:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:18:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-07 11:18:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-07-07 11:18:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 11:18:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2020-07-07 11:18:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-07 11:18:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 11:18:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:18:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:18:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 11:18:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 11:18:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:18:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 11:18:44,812 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:18:44,812 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:18:44,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:18:44 BoogieIcfgContainer [2020-07-07 11:18:44,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:18:44,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:18:44,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:18:44,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:18:44,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:18:43" (1/3) ... [2020-07-07 11:18:44,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4add4cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:18:44, skipping insertion in model container [2020-07-07 11:18:44,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:18:44" (2/3) ... [2020-07-07 11:18:44,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4add4cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:18:44, skipping insertion in model container [2020-07-07 11:18:44,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:18:44" (3/3) ... [2020-07-07 11:18:44,828 INFO L109 eAbstractionObserver]: Analyzing ICFG test22-2.c [2020-07-07 11:18:44,844 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:18:44,854 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:18:44,872 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:18:44,904 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:18:44,905 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:18:44,905 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:18:44,905 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:18:44,905 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:18:44,906 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:18:44,906 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:18:44,906 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:18:44,929 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-07-07 11:18:44,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-07-07 11:18:44,937 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:18:44,938 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-07-07 11:18:44,939 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:18:44,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:18:44,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1345538594, now seen corresponding path program 1 times [2020-07-07 11:18:44,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:18:44,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744144224] [2020-07-07 11:18:44,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:18:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-07 11:18:45,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744144224] [2020-07-07 11:18:45,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:18:45,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:18:45,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751655871] [2020-07-07 11:18:45,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 11:18:45,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:18:45,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 11:18:45,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 11:18:45,382 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 4 states. [2020-07-07 11:18:45,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:18:45,610 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2020-07-07 11:18:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:18:45,612 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-07-07 11:18:45,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:18:45,623 INFO L225 Difference]: With dead ends: 49 [2020-07-07 11:18:45,623 INFO L226 Difference]: Without dead ends: 31 [2020-07-07 11:18:45,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:18:45,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-07 11:18:45,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-07 11:18:45,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-07 11:18:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2020-07-07 11:18:45,678 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 37 [2020-07-07 11:18:45,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:18:45,681 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2020-07-07 11:18:45,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 11:18:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-07-07 11:18:45,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-07 11:18:45,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:18:45,684 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-07-07 11:18:45,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:18:45,685 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:18:45,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:18:45,685 INFO L82 PathProgramCache]: Analyzing trace with hash -213153012, now seen corresponding path program 1 times [2020-07-07 11:18:45,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:18:45,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74749415] [2020-07-07 11:18:45,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:18:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 11:18:46,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74749415] [2020-07-07 11:18:46,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430876898] [2020-07-07 11:18:46,054 INFO L94 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 [2020-07-07 11:18:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:18:46,135 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 57 conjunts are in the unsatisfiable core [2020-07-07 11:18:46,144 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:18:46,517 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-07 11:18:46,659 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2020-07-07 11:18:46,663 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-07 11:18:46,670 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-07 11:18:46,671 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-07 11:18:46,671 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2020-07-07 11:18:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 11:18:46,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:18:46,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2020-07-07 11:18:46,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824414540] [2020-07-07 11:18:46,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-07 11:18:46,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:18:46,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-07 11:18:46,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2020-07-07 11:18:46,735 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 26 states. [2020-07-07 11:18:48,132 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-07-07 11:18:48,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:18:48,489 INFO L93 Difference]: Finished difference Result 93 states and 114 transitions. [2020-07-07 11:18:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 11:18:48,490 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 38 [2020-07-07 11:18:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:18:48,494 INFO L225 Difference]: With dead ends: 93 [2020-07-07 11:18:48,494 INFO L226 Difference]: Without dead ends: 85 [2020-07-07 11:18:48,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=272, Invalid=1708, Unknown=0, NotChecked=0, Total=1980 [2020-07-07 11:18:48,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-07 11:18:48,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 43. [2020-07-07 11:18:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-07 11:18:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2020-07-07 11:18:48,515 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 38 [2020-07-07 11:18:48,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:18:48,516 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2020-07-07 11:18:48,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-07 11:18:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2020-07-07 11:18:48,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-07 11:18:48,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:18:48,518 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1] [2020-07-07 11:18:48,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-07 11:18:48,732 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:18:48,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:18:48,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1234221366, now seen corresponding path program 1 times [2020-07-07 11:18:48,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:18:48,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338985080] [2020-07-07 11:18:48,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:18:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 11:18:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 11:18:48,851 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 11:18:48,852 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 11:18:48,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 11:18:48,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:18:48 BoogieIcfgContainer [2020-07-07 11:18:48,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:18:48,916 INFO L168 Benchmark]: Toolchain (without parser) took 4963.40 ms. Allocated memory was 145.2 MB in the beginning and 269.0 MB in the end (delta: 123.7 MB). Free memory was 101.5 MB in the beginning and 240.6 MB in the end (delta: -139.1 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:18:48,917 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 11:18:48,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.95 ms. Allocated memory is still 145.2 MB. Free memory was 101.3 MB in the beginning and 90.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:18:48,919 INFO L168 Benchmark]: Boogie Preprocessor took 209.75 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 90.7 MB in the beginning and 182.7 MB in the end (delta: -91.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:18:48,920 INFO L168 Benchmark]: RCFGBuilder took 351.63 ms. Allocated memory is still 205.5 MB. Free memory was 182.7 MB in the beginning and 164.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2020-07-07 11:18:48,921 INFO L168 Benchmark]: TraceAbstraction took 4093.69 ms. Allocated memory was 205.5 MB in the beginning and 269.0 MB in the end (delta: 63.4 MB). Free memory was 163.7 MB in the beginning and 240.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. [2020-07-07 11:18:48,926 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 302.95 ms. Allocated memory is still 145.2 MB. Free memory was 101.3 MB in the beginning and 90.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 209.75 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 90.7 MB in the beginning and 182.7 MB in the end (delta: -91.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.63 ms. Allocated memory is still 205.5 MB. Free memory was 182.7 MB in the beginning and 164.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4093.69 ms. Allocated memory was 205.5 MB in the beginning and 269.0 MB in the end (delta: 63.4 MB). Free memory was 163.7 MB in the beginning and 240.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 48]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] struct dummy d1, d2; VAL [\old(d1)=22, \old(d1)=18, \old(d2)=19, \old(d2)=21, d1={3:0}, d2={2:0}] [L32] CALL init() VAL [d1={3:0}, d2={2:0}] [L13] d1.a = __VERIFIER_nondet_int() [L14] d1.b = __VERIFIER_nondet_int() [L16] d2.a = __VERIFIER_nondet_int() [L17] d2.b = __VERIFIER_nondet_int() [L32] RET init() VAL [d1={3:0}, d2={2:0}] [L33] CALL, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [__VERIFIER_nondet_bool()=1, __VERIFIER_nondet_bool() ? &d1 : &d2={3:0}, d1={3:0}, d2={2:0}] [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}, get_dummy()={3:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L33] CALL, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [__VERIFIER_nondet_bool()=1, __VERIFIER_nondet_bool() ? &d1 : &d2={3:0}, d1={3:0}, d2={2:0}] [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}, get_dummy()={3:0}, pd1={3:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L33] CALL, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [__VERIFIER_nondet_bool()=0, __VERIFIER_nondet_bool() ? &d1 : &d2={2:0}, d1={3:0}, d2={2:0}] [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}, get_dummy()={2:0}, pd1={3:0}, pd2={3:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L34] int i = __VERIFIER_nondet_int(); [L35] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L35] EXPR (*pd2).a [L35] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 VAL [(*pd2).a=5, d1={3:0}, d2={2:0}, i=0, pd1={3:0}, pd1 != 0 && pd1 == pd2 && (*pd2).a > 0=1, pd2={3:0}, pd3={2:0}] [L35] COND TRUE pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L36] int *pa = &pd1->a; [L37] EXPR pd3->a [L37] i = pd3->a - 10 [L38] EXPR \read(*pa) VAL [\read(*pa)=5, d1={3:0}, d2={2:0}, i=6, pa={3:0}, pd1={3:0}, pd2={3:0}, pd3={2:0}] [L38] COND FALSE !(i < *pa) [L41] CALL, EXPR check(pd2, i) VAL [\old(i)=6, d1={3:0}, d2={2:0}, s1={3:0}] [L27] EXPR s1->a [L27] return s1->a == i; [L41] RET, EXPR check(pd2, i) VAL [check(pd2, i)=0, d1={3:0}, d2={2:0}, i=6, pa={3:0}, pd1={3:0}, pd2={3:0}, pd3={2:0}] [L41] COND TRUE !check(pd2, i) [L48] __VERIFIER_error() VAL [d1={3:0}, d2={2:0}, i=6, pa={3:0}, pd1={3:0}, pd2={3:0}, pd3={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 177 SDslu, 62 SDs, 0 SdLazy, 689 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=2, 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, 42 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 17069 SizeOfPredicates, 13 NumberOfNonLiveVariables, 183 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 30/36 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...