./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7a290263a62578c292b66ee7123308fce6a01e3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 00:28:42,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:28:42,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:28:42,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:28:42,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:28:42,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:28:42,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:28:42,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:28:42,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:28:42,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:28:42,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:28:42,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:28:42,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:28:42,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:28:42,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:28:42,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:28:42,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:28:42,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:28:42,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:28:42,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:28:42,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:28:42,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:28:42,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:28:42,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:28:42,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:28:42,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:28:42,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:28:42,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:28:42,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:28:42,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:28:42,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:28:42,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:28:42,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:28:42,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:28:42,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:28:42,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:28:42,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:28:42,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:28:42,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:28:42,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:28:42,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:28:42,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 00:28:42,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:28:42,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:28:42,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:28:42,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:28:42,271 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:28:42,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:28:42,272 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:28:42,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 00:28:42,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:28:42,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:28:42,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:28:42,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:28:42,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:28:42,275 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:28:42,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:28:42,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:28:42,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:28:42,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:28:42,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:28:42,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:28:42,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:28:42,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:28:42,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:28:42,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:28:42,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:28:42,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 00:28:42,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 00:28:42,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:28:42,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:28:42,277 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7a290263a62578c292b66ee7123308fce6a01e3 [2020-10-26 00:28:42,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:28:42,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:28:42,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:28:42,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:28:42,704 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:28:42,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i [2020-10-26 00:28:42,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630215282/db2f2631a80247c5827e58be45a017a3/FLAG61f3c40a3 [2020-10-26 00:28:43,637 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:28:43,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i [2020-10-26 00:28:43,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630215282/db2f2631a80247c5827e58be45a017a3/FLAG61f3c40a3 [2020-10-26 00:28:43,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630215282/db2f2631a80247c5827e58be45a017a3 [2020-10-26 00:28:43,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:28:43,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:28:43,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:28:43,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:28:43,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:28:43,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:28:43" (1/1) ... [2020-10-26 00:28:43,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2de327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:43, skipping insertion in model container [2020-10-26 00:28:43,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:28:43" (1/1) ... [2020-10-26 00:28:43,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:28:44,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:28:44,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:28:44,526 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 00:28:44,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:28:44,699 INFO L208 MainTranslator]: Completed translation [2020-10-26 00:28:44,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44 WrapperNode [2020-10-26 00:28:44,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:28:44,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 00:28:44,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 00:28:44,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 00:28:44,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (1/1) ... [2020-10-26 00:28:44,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (1/1) ... [2020-10-26 00:28:44,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 00:28:44,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 00:28:44,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 00:28:44,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 00:28:44,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (1/1) ... [2020-10-26 00:28:44,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (1/1) ... [2020-10-26 00:28:44,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (1/1) ... [2020-10-26 00:28:44,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (1/1) ... [2020-10-26 00:28:44,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (1/1) ... [2020-10-26 00:28:44,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (1/1) ... [2020-10-26 00:28:44,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (1/1) ... [2020-10-26 00:28:44,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 00:28:44,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 00:28:44,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 00:28:44,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 00:28:44,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (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 [2020-10-26 00:28:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 00:28:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-26 00:28:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 00:28:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 00:28:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-26 00:28:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-26 00:28:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-26 00:28:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-26 00:28:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-26 00:28:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-26 00:28:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 00:28:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-26 00:28:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 00:28:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 00:28:44,881 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-26 00:28:45,420 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 00:28:45,421 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-26 00:28:45,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:28:45 BoogieIcfgContainer [2020-10-26 00:28:45,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 00:28:45,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 00:28:45,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 00:28:45,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 00:28:45,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 12:28:43" (1/3) ... [2020-10-26 00:28:45,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359f78e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:28:45, skipping insertion in model container [2020-10-26 00:28:45,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:44" (2/3) ... [2020-10-26 00:28:45,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359f78e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:28:45, skipping insertion in model container [2020-10-26 00:28:45,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:28:45" (3/3) ... [2020-10-26 00:28:45,433 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.opt.i [2020-10-26 00:28:45,446 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-26 00:28:45,446 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 00:28:45,452 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 00:28:45,453 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-26 00:28:45,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,489 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,489 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,491 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,491 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,494 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,495 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,495 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,495 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,502 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,503 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,506 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,506 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:45,510 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-26 00:28:45,524 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-26 00:28:45,548 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 00:28:45,554 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 00:28:45,554 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 00:28:45,554 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 00:28:45,554 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 00:28:45,555 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 00:28:45,555 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 00:28:45,555 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 00:28:45,569 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-26 00:28:45,571 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 80 transitions, 175 flow [2020-10-26 00:28:45,575 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 80 transitions, 175 flow [2020-10-26 00:28:45,577 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 87 places, 80 transitions, 175 flow [2020-10-26 00:28:45,624 INFO L129 PetriNetUnfolder]: 3/77 cut-off events. [2020-10-26 00:28:45,625 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-26 00:28:45,629 INFO L80 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 77 events. 3/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-26 00:28:45,633 INFO L116 LiptonReduction]: Number of co-enabled transitions 1440 [2020-10-26 00:28:48,136 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-26 00:28:48,777 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-26 00:28:48,895 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-26 00:28:49,065 INFO L131 LiptonReduction]: Checked pairs total: 2810 [2020-10-26 00:28:49,065 INFO L133 LiptonReduction]: Total number of compositions: 73 [2020-10-26 00:28:49,071 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-10-26 00:28:49,118 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-10-26 00:28:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-10-26 00:28:49,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-26 00:28:49,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:28:49,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:28:49,131 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:28:49,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:28:49,144 INFO L82 PathProgramCache]: Analyzing trace with hash -853874994, now seen corresponding path program 1 times [2020-10-26 00:28:49,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:28:49,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853678653] [2020-10-26 00:28:49,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:28:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:28:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 00:28:49,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853678653] [2020-10-26 00:28:49,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:28:49,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 00:28:49,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285124892] [2020-10-26 00:28:49,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 00:28:49,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:28:49,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 00:28:49,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:28:49,531 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-10-26 00:28:49,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:28:49,614 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions. [2020-10-26 00:28:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 00:28:49,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-26 00:28:49,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:28:49,641 INFO L225 Difference]: With dead ends: 282 [2020-10-26 00:28:49,642 INFO L226 Difference]: Without dead ends: 218 [2020-10-26 00:28:49,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:28:49,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-26 00:28:49,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-10-26 00:28:49,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-26 00:28:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions. [2020-10-26 00:28:49,711 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8 [2020-10-26 00:28:49,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:28:49,712 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions. [2020-10-26 00:28:49,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 00:28:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-10-26 00:28:49,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-26 00:28:49,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:28:49,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:28:49,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 00:28:49,715 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:28:49,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:28:49,716 INFO L82 PathProgramCache]: Analyzing trace with hash -700352928, now seen corresponding path program 1 times [2020-10-26 00:28:49,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:28:49,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681282519] [2020-10-26 00:28:49,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:28:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:28:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 00:28:49,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681282519] [2020-10-26 00:28:49,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:28:49,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 00:28:49,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690765859] [2020-10-26 00:28:49,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 00:28:49,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:28:49,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 00:28:49,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 00:28:49,799 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states. [2020-10-26 00:28:49,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:28:49,848 INFO L93 Difference]: Finished difference Result 242 states and 634 transitions. [2020-10-26 00:28:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 00:28:49,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-26 00:28:49,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:28:49,851 INFO L225 Difference]: With dead ends: 242 [2020-10-26 00:28:49,851 INFO L226 Difference]: Without dead ends: 146 [2020-10-26 00:28:49,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 00:28:49,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-26 00:28:49,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-10-26 00:28:49,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-26 00:28:49,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 362 transitions. [2020-10-26 00:28:49,868 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 362 transitions. Word has length 9 [2020-10-26 00:28:49,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:28:49,869 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 362 transitions. [2020-10-26 00:28:49,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 00:28:49,869 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 362 transitions. [2020-10-26 00:28:49,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-26 00:28:49,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:28:49,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:28:49,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 00:28:49,872 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:28:49,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:28:49,873 INFO L82 PathProgramCache]: Analyzing trace with hash 2063010818, now seen corresponding path program 1 times [2020-10-26 00:28:49,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:28:49,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479638197] [2020-10-26 00:28:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:28:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:28:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 00:28:49,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479638197] [2020-10-26 00:28:49,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:28:49,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 00:28:49,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593587950] [2020-10-26 00:28:49,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 00:28:49,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:28:49,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 00:28:49,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:28:49,931 INFO L87 Difference]: Start difference. First operand 146 states and 362 transitions. Second operand 3 states. [2020-10-26 00:28:49,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:28:49,942 INFO L93 Difference]: Finished difference Result 140 states and 343 transitions. [2020-10-26 00:28:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 00:28:49,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-26 00:28:49,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:28:49,948 INFO L225 Difference]: With dead ends: 140 [2020-10-26 00:28:49,949 INFO L226 Difference]: Without dead ends: 140 [2020-10-26 00:28:49,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:28:49,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-26 00:28:49,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-10-26 00:28:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-26 00:28:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 343 transitions. [2020-10-26 00:28:49,979 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 343 transitions. Word has length 11 [2020-10-26 00:28:49,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:28:49,983 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 343 transitions. [2020-10-26 00:28:49,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 00:28:49,984 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 343 transitions. [2020-10-26 00:28:49,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-26 00:28:49,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:28:49,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:28:49,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 00:28:49,986 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:28:49,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:28:49,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1374781277, now seen corresponding path program 1 times [2020-10-26 00:28:49,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:28:49,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394025394] [2020-10-26 00:28:49,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:28:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:28:50,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 00:28:50,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394025394] [2020-10-26 00:28:50,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:28:50,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 00:28:50,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596274644] [2020-10-26 00:28:50,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 00:28:50,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:28:50,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 00:28:50,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 00:28:50,089 INFO L87 Difference]: Start difference. First operand 140 states and 343 transitions. Second operand 4 states. [2020-10-26 00:28:50,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:28:50,127 INFO L93 Difference]: Finished difference Result 158 states and 376 transitions. [2020-10-26 00:28:50,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 00:28:50,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-26 00:28:50,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:28:50,129 INFO L225 Difference]: With dead ends: 158 [2020-10-26 00:28:50,129 INFO L226 Difference]: Without dead ends: 68 [2020-10-26 00:28:50,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 00:28:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-26 00:28:50,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-26 00:28:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-26 00:28:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 144 transitions. [2020-10-26 00:28:50,137 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 144 transitions. Word has length 12 [2020-10-26 00:28:50,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:28:50,138 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 144 transitions. [2020-10-26 00:28:50,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 00:28:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions. [2020-10-26 00:28:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-26 00:28:50,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:28:50,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:28:50,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 00:28:50,140 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:28:50,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:28:50,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1721558133, now seen corresponding path program 1 times [2020-10-26 00:28:50,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:28:50,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069285906] [2020-10-26 00:28:50,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:28:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:28:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 00:28:50,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069285906] [2020-10-26 00:28:50,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:28:50,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 00:28:50,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996181483] [2020-10-26 00:28:50,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 00:28:50,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:28:50,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 00:28:50,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 00:28:50,201 INFO L87 Difference]: Start difference. First operand 68 states and 144 transitions. Second operand 4 states. [2020-10-26 00:28:50,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:28:50,223 INFO L93 Difference]: Finished difference Result 56 states and 112 transitions. [2020-10-26 00:28:50,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 00:28:50,224 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-26 00:28:50,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:28:50,224 INFO L225 Difference]: With dead ends: 56 [2020-10-26 00:28:50,224 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 00:28:50,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 00:28:50,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 00:28:50,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 00:28:50,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 00:28:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 00:28:50,226 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-26 00:28:50,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:28:50,226 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 00:28:50,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 00:28:50,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 00:28:50,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 00:28:50,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 00:28:50,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 12:28:50 BasicIcfg [2020-10-26 00:28:50,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 00:28:50,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 00:28:50,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 00:28:50,233 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 00:28:50,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:28:45" (3/4) ... [2020-10-26 00:28:50,237 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-26 00:28:50,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-10-26 00:28:50,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-10-26 00:28:50,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-10-26 00:28:50,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-26 00:28:50,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-26 00:28:50,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-26 00:28:50,252 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-26 00:28:50,297 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 00:28:50,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 00:28:50,299 INFO L168 Benchmark]: Toolchain (without parser) took 6409.54 ms. Allocated memory was 46.1 MB in the beginning and 100.7 MB in the end (delta: 54.5 MB). Free memory was 21.1 MB in the beginning and 47.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:50,300 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 46.1 MB. Free memory was 29.1 MB in the beginning and 29.1 MB in the end (delta: 39.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:28:50,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.81 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 31.3 MB in the beginning and 26.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:50,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.22 ms. Allocated memory is still 56.6 MB. Free memory was 26.4 MB in the beginning and 39.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:50,302 INFO L168 Benchmark]: Boogie Preprocessor took 29.53 ms. Allocated memory is still 56.6 MB. Free memory was 39.6 MB in the beginning and 38.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:28:50,302 INFO L168 Benchmark]: RCFGBuilder took 631.47 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 30.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:50,303 INFO L168 Benchmark]: TraceAbstraction took 4805.94 ms. Allocated memory was 56.6 MB in the beginning and 100.7 MB in the end (delta: 44.0 MB). Free memory was 29.8 MB in the beginning and 50.0 MB in the end (delta: -20.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:50,304 INFO L168 Benchmark]: Witness Printer took 65.00 ms. Allocated memory is still 100.7 MB. Free memory was 50.0 MB in the beginning and 47.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:50,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 46.1 MB. Free memory was 29.1 MB in the beginning and 29.1 MB in the end (delta: 39.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 790.81 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 31.3 MB in the beginning and 26.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.22 ms. Allocated memory is still 56.6 MB. Free memory was 26.4 MB in the beginning and 39.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.53 ms. Allocated memory is still 56.6 MB. Free memory was 39.6 MB in the beginning and 38.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 631.47 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 30.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4805.94 ms. Allocated memory was 56.6 MB in the beginning and 100.7 MB in the end (delta: 44.0 MB). Free memory was 29.8 MB in the beginning and 50.0 MB in the end (delta: -20.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * Witness Printer took 65.00 ms. Allocated memory is still 100.7 MB. Free memory was 50.0 MB in the beginning and 47.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1074 VarBasedMoverChecksPositive, 45 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.4s, 87 PlacesBefore, 31 PlacesAfterwards, 80 TransitionsBefore, 22 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 73 TotalNumberOfCompositions, 2810 MoverChecksTotal - PositiveResult [Line: 17]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 81 SDtfs, 75 SDslu, 56 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...