./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe007_tso.oepc.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_tso.oepc.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 5e1e7b98d25beb2e523be034d1614b38d1111ec6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:28:44,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:28:44,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:28:44,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:28:44,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:28:44,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:28:44,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:28:44,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:28:44,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:28:44,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:28:44,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:28:44,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:28:44,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:28:44,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:28:44,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:28:44,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:28:44,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:28:44,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:28:44,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:28:44,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:28:44,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:28:44,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:28:44,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:28:44,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:28:44,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:28:44,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:28:44,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:28:44,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:28:44,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:28:44,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:28:44,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:28:44,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:28:44,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:28:44,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:28:44,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:28:44,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:28:44,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:28:44,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:28:44,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:28:44,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:28:44,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:28:44,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 00:28:44,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:28:44,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:28:44,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:28:44,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:28:44,821 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:28:44,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:28:44,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:28:44,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 00:28:44,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:28:44,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:28:44,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:28:44,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:28:44,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:28:44,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:28:44,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:28:44,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:28:44,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:28:44,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:28:44,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:28:44,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:28:44,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:28:44,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:28:44,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:28:44,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:28:44,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:28:44,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 00:28:44,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 00:28:44,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:28:44,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:28:44,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e1e7b98d25beb2e523be034d1614b38d1111ec6 [2020-10-26 00:28:45,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:28:45,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:28:45,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:28:45,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:28:45,280 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:28:45,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe007_tso.oepc.i [2020-10-26 00:28:45,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fdd987c3/e8b5070cf71040a08bd63cb15471a23f/FLAGbf73eccef [2020-10-26 00:28:46,070 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:28:46,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe007_tso.oepc.i [2020-10-26 00:28:46,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fdd987c3/e8b5070cf71040a08bd63cb15471a23f/FLAGbf73eccef [2020-10-26 00:28:46,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fdd987c3/e8b5070cf71040a08bd63cb15471a23f [2020-10-26 00:28:46,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:28:46,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:28:46,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:28:46,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:28:46,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:28:46,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:46,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e00d9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46, skipping insertion in model container [2020-10-26 00:28:46,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:46,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:28:46,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:28:46,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:28:46,851 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 00:28:46,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:28:46,998 INFO L208 MainTranslator]: Completed translation [2020-10-26 00:28:46,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46 WrapperNode [2020-10-26 00:28:46,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:28:47,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 00:28:47,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 00:28:47,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 00:28:47,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:47,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:47,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 00:28:47,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 00:28:47,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 00:28:47,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 00:28:47,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:47,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:47,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:47,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:47,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:47,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:47,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (1/1) ... [2020-10-26 00:28:47,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 00:28:47,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 00:28:47,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 00:28:47,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 00:28:47,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (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 00:28:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 00:28:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-26 00:28:47,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 00:28:47,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 00:28:47,167 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-26 00:28:47,167 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-26 00:28:47,167 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-26 00:28:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-26 00:28:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-26 00:28:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-26 00:28:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 00:28:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-26 00:28:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 00:28:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 00:28:47,170 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 00:28:47,756 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 00:28:47,757 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-26 00:28:47,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:28:47 BoogieIcfgContainer [2020-10-26 00:28:47,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 00:28:47,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 00:28:47,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 00:28:47,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 00:28:47,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 12:28:46" (1/3) ... [2020-10-26 00:28:47,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fceb8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:28:47, skipping insertion in model container [2020-10-26 00:28:47,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:28:46" (2/3) ... [2020-10-26 00:28:47,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fceb8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:28:47, skipping insertion in model container [2020-10-26 00:28:47,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:28:47" (3/3) ... [2020-10-26 00:28:47,774 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_tso.oepc.i [2020-10-26 00:28:47,788 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-26 00:28:47,788 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 00:28:47,794 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 00:28:47,795 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-26 00:28:47,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,839 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,839 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,841 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,841 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,843 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,843 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,848 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,848 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,856 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,856 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,856 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,857 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,860 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,861 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:28:47,865 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-26 00:28:47,884 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-26 00:28:47,923 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 00:28:47,924 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 00:28:47,924 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 00:28:47,924 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 00:28:47,924 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 00:28:47,924 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 00:28:47,924 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 00:28:47,925 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 00:28:47,944 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-26 00:28:47,947 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 80 transitions, 175 flow [2020-10-26 00:28:47,954 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 80 transitions, 175 flow [2020-10-26 00:28:47,956 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 87 places, 80 transitions, 175 flow [2020-10-26 00:28:48,007 INFO L129 PetriNetUnfolder]: 3/77 cut-off events. [2020-10-26 00:28:48,007 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-26 00:28:48,012 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 00:28:48,016 INFO L116 LiptonReduction]: Number of co-enabled transitions 1440 [2020-10-26 00:28:49,730 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-10-26 00:28:50,412 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-26 00:28:50,535 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-26 00:28:50,678 INFO L131 LiptonReduction]: Checked pairs total: 2810 [2020-10-26 00:28:50,679 INFO L133 LiptonReduction]: Total number of compositions: 73 [2020-10-26 00:28:50,686 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-10-26 00:28:50,714 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-10-26 00:28:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-10-26 00:28:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-26 00:28:50,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:28:50,725 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:28:50,726 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:28:50,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:28:50,731 INFO L82 PathProgramCache]: Analyzing trace with hash -853874994, now seen corresponding path program 1 times [2020-10-26 00:28:50,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:28:50,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704359872] [2020-10-26 00:28:50,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:28:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:28:51,020 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 00:28:51,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704359872] [2020-10-26 00:28:51,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:28:51,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 00:28:51,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829497625] [2020-10-26 00:28:51,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 00:28:51,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:28:51,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 00:28:51,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:28:51,051 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-10-26 00:28:51,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:28:51,114 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions. [2020-10-26 00:28:51,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 00:28:51,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-26 00:28:51,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:28:51,133 INFO L225 Difference]: With dead ends: 282 [2020-10-26 00:28:51,133 INFO L226 Difference]: Without dead ends: 218 [2020-10-26 00:28:51,135 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 00:28:51,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-26 00:28:51,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-10-26 00:28:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-26 00:28:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions. [2020-10-26 00:28:51,212 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8 [2020-10-26 00:28:51,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:28:51,213 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions. [2020-10-26 00:28:51,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 00:28:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-10-26 00:28:51,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-26 00:28:51,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:28:51,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:28:51,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 00:28:51,216 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:28:51,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:28:51,217 INFO L82 PathProgramCache]: Analyzing trace with hash -700352928, now seen corresponding path program 1 times [2020-10-26 00:28:51,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:28:51,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629525567] [2020-10-26 00:28:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:28:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:28:51,347 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 00:28:51,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629525567] [2020-10-26 00:28:51,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:28:51,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 00:28:51,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595874754] [2020-10-26 00:28:51,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 00:28:51,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:28:51,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 00:28:51,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 00:28:51,352 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states. [2020-10-26 00:28:51,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:28:51,383 INFO L93 Difference]: Finished difference Result 242 states and 634 transitions. [2020-10-26 00:28:51,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 00:28:51,384 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-26 00:28:51,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:28:51,386 INFO L225 Difference]: With dead ends: 242 [2020-10-26 00:28:51,387 INFO L226 Difference]: Without dead ends: 146 [2020-10-26 00:28:51,388 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 00:28:51,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-26 00:28:51,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-10-26 00:28:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-26 00:28:51,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 362 transitions. [2020-10-26 00:28:51,404 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 362 transitions. Word has length 9 [2020-10-26 00:28:51,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:28:51,404 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 362 transitions. [2020-10-26 00:28:51,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 00:28:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 362 transitions. [2020-10-26 00:28:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-26 00:28:51,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:28:51,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:28:51,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 00:28:51,407 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:28:51,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:28:51,408 INFO L82 PathProgramCache]: Analyzing trace with hash 2063010818, now seen corresponding path program 1 times [2020-10-26 00:28:51,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:28:51,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378203003] [2020-10-26 00:28:51,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:28:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:28:51,467 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 00:28:51,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378203003] [2020-10-26 00:28:51,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:28:51,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 00:28:51,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097318849] [2020-10-26 00:28:51,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 00:28:51,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:28:51,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 00:28:51,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:28:51,470 INFO L87 Difference]: Start difference. First operand 146 states and 362 transitions. Second operand 3 states. [2020-10-26 00:28:51,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:28:51,482 INFO L93 Difference]: Finished difference Result 140 states and 343 transitions. [2020-10-26 00:28:51,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 00:28:51,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-26 00:28:51,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:28:51,486 INFO L225 Difference]: With dead ends: 140 [2020-10-26 00:28:51,486 INFO L226 Difference]: Without dead ends: 140 [2020-10-26 00:28:51,488 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 00:28:51,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-26 00:28:51,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-10-26 00:28:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-26 00:28:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 343 transitions. [2020-10-26 00:28:51,509 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 343 transitions. Word has length 11 [2020-10-26 00:28:51,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:28:51,510 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 343 transitions. [2020-10-26 00:28:51,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 00:28:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 343 transitions. [2020-10-26 00:28:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-26 00:28:51,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:28:51,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:28:51,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 00:28:51,521 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:28:51,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:28:51,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1374781277, now seen corresponding path program 1 times [2020-10-26 00:28:51,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:28:51,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144672455] [2020-10-26 00:28:51,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:28:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:28:51,624 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 00:28:51,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144672455] [2020-10-26 00:28:51,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:28:51,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 00:28:51,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612538418] [2020-10-26 00:28:51,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 00:28:51,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:28:51,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 00:28:51,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 00:28:51,629 INFO L87 Difference]: Start difference. First operand 140 states and 343 transitions. Second operand 4 states. [2020-10-26 00:28:51,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:28:51,654 INFO L93 Difference]: Finished difference Result 158 states and 376 transitions. [2020-10-26 00:28:51,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 00:28:51,654 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-26 00:28:51,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:28:51,656 INFO L225 Difference]: With dead ends: 158 [2020-10-26 00:28:51,656 INFO L226 Difference]: Without dead ends: 68 [2020-10-26 00:28:51,657 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 00:28:51,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-26 00:28:51,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-26 00:28:51,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-26 00:28:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 144 transitions. [2020-10-26 00:28:51,668 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 144 transitions. Word has length 12 [2020-10-26 00:28:51,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:28:51,668 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 144 transitions. [2020-10-26 00:28:51,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 00:28:51,669 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions. [2020-10-26 00:28:51,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-26 00:28:51,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:28:51,672 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:28:51,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 00:28:51,673 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:28:51,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:28:51,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1721558133, now seen corresponding path program 1 times [2020-10-26 00:28:51,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:28:51,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155642706] [2020-10-26 00:28:51,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:28:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:28:51,744 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 00:28:51,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155642706] [2020-10-26 00:28:51,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:28:51,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 00:28:51,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127089617] [2020-10-26 00:28:51,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 00:28:51,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:28:51,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 00:28:51,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 00:28:51,749 INFO L87 Difference]: Start difference. First operand 68 states and 144 transitions. Second operand 4 states. [2020-10-26 00:28:51,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:28:51,767 INFO L93 Difference]: Finished difference Result 56 states and 112 transitions. [2020-10-26 00:28:51,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 00:28:51,769 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-26 00:28:51,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:28:51,769 INFO L225 Difference]: With dead ends: 56 [2020-10-26 00:28:51,770 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 00:28:51,770 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 00:28:51,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 00:28:51,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 00:28:51,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 00:28:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 00:28:51,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-26 00:28:51,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:28:51,772 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 00:28:51,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 00:28:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 00:28:51,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 00:28:51,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 00:28:51,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 12:28:51 BasicIcfg [2020-10-26 00:28:51,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 00:28:51,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 00:28:51,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 00:28:51,782 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 00:28:51,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:28:47" (3/4) ... [2020-10-26 00:28:51,786 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-26 00:28:51,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-10-26 00:28:51,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-10-26 00:28:51,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-10-26 00:28:51,800 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-26 00:28:51,801 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-26 00:28:51,801 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-26 00:28:51,801 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-26 00:28:51,882 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 00:28:51,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 00:28:51,888 INFO L168 Benchmark]: Toolchain (without parser) took 5566.03 ms. Allocated memory was 46.1 MB in the beginning and 100.7 MB in the end (delta: 54.5 MB). Free memory was 28.8 MB in the beginning and 49.5 MB in the end (delta: -20.7 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:51,889 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 37.7 MB. Free memory was 20.3 MB in the beginning and 20.2 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:28:51,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.57 ms. Allocated memory is still 46.1 MB. Free memory was 28.2 MB in the beginning and 27.6 MB in the end (delta: 571.6 kB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:51,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.50 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 25.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:51,894 INFO L168 Benchmark]: Boogie Preprocessor took 31.16 ms. Allocated memory is still 46.1 MB. Free memory was 25.6 MB in the beginning and 24.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:28:51,895 INFO L168 Benchmark]: RCFGBuilder took 678.74 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 24.3 MB in the beginning and 36.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:51,896 INFO L168 Benchmark]: TraceAbstraction took 4015.18 ms. Allocated memory was 56.6 MB in the beginning and 100.7 MB in the end (delta: 44.0 MB). Free memory was 36.3 MB in the beginning and 52.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:51,897 INFO L168 Benchmark]: Witness Printer took 102.93 ms. Allocated memory is still 100.7 MB. Free memory was 52.5 MB in the beginning and 49.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:28:51,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 37.7 MB. Free memory was 20.3 MB in the beginning and 20.2 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.57 ms. Allocated memory is still 46.1 MB. Free memory was 28.2 MB in the beginning and 27.6 MB in the end (delta: 571.6 kB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.50 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 25.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.16 ms. Allocated memory is still 46.1 MB. Free memory was 25.6 MB in the beginning and 24.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 678.74 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 24.3 MB in the beginning and 36.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4015.18 ms. Allocated memory was 56.6 MB in the beginning and 100.7 MB in the end (delta: 44.0 MB). Free memory was 36.3 MB in the beginning and 52.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * Witness Printer took 102.93 ms. Allocated memory is still 100.7 MB. Free memory was 52.5 MB in the beginning and 49.5 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: 0.3s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.7s, 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: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, 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, 0.0s 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...