./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/systemc/pc_sfifo_2.cil-2.c -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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df684da5e5a56662a7be6091ec5bb0a21e1453c5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:14:57,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:14:57,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:14:57,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:14:57,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:14:57,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:14:57,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:14:57,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:14:57,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:14:57,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:14:57,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:14:57,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:14:57,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:14:57,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:14:57,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:14:57,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:14:57,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:14:57,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:14:57,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:14:57,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:14:57,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:14:57,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:14:57,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:14:57,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:14:57,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:14:57,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:14:57,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:14:57,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:14:57,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:14:57,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:14:57,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:14:57,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:14:57,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:14:57,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:14:57,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:14:57,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:14:57,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:14:57,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:14:57,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:14:57,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:14:57,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:14:57,316 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:14:57,341 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:14:57,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:14:57,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:14:57,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:14:57,343 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:14:57,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:14:57,344 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:14:57,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:14:57,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:14:57,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:14:57,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:14:57,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:14:57,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:14:57,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:14:57,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:14:57,346 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:14:57,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:14:57,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:14:57,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:14:57,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:14:57,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:14:57,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:14:57,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:14:57,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:14:57,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:14:57,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:14:57,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:14:57,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:14:57,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:14:57,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> df684da5e5a56662a7be6091ec5bb0a21e1453c5 [2020-07-28 19:14:57,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:14:57,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:14:57,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:14:57,664 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:14:57,664 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:14:57,665 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2020-07-28 19:14:57,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14d5e407/b34c35640d9b46e2940523ea19e90fa3/FLAG852dfb889 [2020-07-28 19:14:58,285 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:14:58,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2020-07-28 19:14:58,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14d5e407/b34c35640d9b46e2940523ea19e90fa3/FLAG852dfb889 [2020-07-28 19:14:58,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14d5e407/b34c35640d9b46e2940523ea19e90fa3 [2020-07-28 19:14:58,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:14:58,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:14:58,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:14:58,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:14:58,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:14:58,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:58,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454e306b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58, skipping insertion in model container [2020-07-28 19:14:58,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:58,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:14:58,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:14:58,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:14:58,898 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:14:58,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:14:58,957 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:14:58,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58 WrapperNode [2020-07-28 19:14:58,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:14:58,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:14:58,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:14:58,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:14:59,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:59,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:59,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:14:59,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:14:59,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:14:59,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:14:59,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:59,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:59,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:59,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:59,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:59,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:59,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (1/1) ... [2020-07-28 19:14:59,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:14:59,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:14:59,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:14:59,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:14:59,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:14:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:14:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:14:59,914 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:14:59,915 INFO L295 CfgBuilder]: Removed 60 assume(true) statements. [2020-07-28 19:14:59,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:14:59 BoogieIcfgContainer [2020-07-28 19:14:59,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:14:59,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:14:59,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:14:59,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:14:59,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:14:58" (1/3) ... [2020-07-28 19:14:59,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8c49e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:14:59, skipping insertion in model container [2020-07-28 19:14:59,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:14:58" (2/3) ... [2020-07-28 19:14:59,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8c49e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:14:59, skipping insertion in model container [2020-07-28 19:14:59,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:14:59" (3/3) ... [2020-07-28 19:14:59,931 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2.c [2020-07-28 19:14:59,942 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:14:59,950 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:14:59,966 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:14:59,988 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:14:59,988 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:14:59,989 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:14:59,989 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:14:59,989 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:14:59,990 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:14:59,990 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:14:59,990 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:15:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-07-28 19:15:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:15:00,015 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:00,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:00,017 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:00,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:00,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1129554405, now seen corresponding path program 1 times [2020-07-28 19:15:00,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:00,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634524178] [2020-07-28 19:15:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:00,221 INFO L280 TraceCheckUtils]: 0: Hoare triple {99#true} ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; {99#true} is VALID [2020-07-28 19:15:00,223 INFO L280 TraceCheckUtils]: 1: Hoare triple {99#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {101#(<= 2 ~q_read_ev~0)} is VALID [2020-07-28 19:15:00,224 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#(<= 2 ~q_read_ev~0)} havoc start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; {101#(<= 2 ~q_read_ev~0)} is VALID [2020-07-28 19:15:00,226 INFO L280 TraceCheckUtils]: 3: Hoare triple {101#(<= 2 ~q_read_ev~0)} assume !(1 == ~q_req_up~0); {101#(<= 2 ~q_read_ev~0)} is VALID [2020-07-28 19:15:00,227 INFO L280 TraceCheckUtils]: 4: Hoare triple {101#(<= 2 ~q_read_ev~0)} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {101#(<= 2 ~q_read_ev~0)} is VALID [2020-07-28 19:15:00,232 INFO L280 TraceCheckUtils]: 5: Hoare triple {101#(<= 2 ~q_read_ev~0)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {101#(<= 2 ~q_read_ev~0)} is VALID [2020-07-28 19:15:00,233 INFO L280 TraceCheckUtils]: 6: Hoare triple {101#(<= 2 ~q_read_ev~0)} assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; {100#false} is VALID [2020-07-28 19:15:00,233 INFO L280 TraceCheckUtils]: 7: Hoare triple {100#false} assume !(0 == ~q_write_ev~0); {100#false} is VALID [2020-07-28 19:15:00,234 INFO L280 TraceCheckUtils]: 8: Hoare triple {100#false} havoc activate_threads_#t~ret3, activate_threads_#t~ret4, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; {100#false} is VALID [2020-07-28 19:15:00,234 INFO L280 TraceCheckUtils]: 9: Hoare triple {100#false} assume 1 == ~p_dw_pc~0; {100#false} is VALID [2020-07-28 19:15:00,234 INFO L280 TraceCheckUtils]: 10: Hoare triple {100#false} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; {100#false} is VALID [2020-07-28 19:15:00,235 INFO L280 TraceCheckUtils]: 11: Hoare triple {100#false} is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; {100#false} is VALID [2020-07-28 19:15:00,235 INFO L280 TraceCheckUtils]: 12: Hoare triple {100#false} activate_threads_#t~ret3 := is_do_write_p_triggered_#res;assume -2147483648 <= activate_threads_#t~ret3 && activate_threads_#t~ret3 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret3;havoc activate_threads_#t~ret3; {100#false} is VALID [2020-07-28 19:15:00,235 INFO L280 TraceCheckUtils]: 13: Hoare triple {100#false} assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; {100#false} is VALID [2020-07-28 19:15:00,236 INFO L280 TraceCheckUtils]: 14: Hoare triple {100#false} havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; {100#false} is VALID [2020-07-28 19:15:00,236 INFO L280 TraceCheckUtils]: 15: Hoare triple {100#false} assume !(1 == ~c_dr_pc~0); {100#false} is VALID [2020-07-28 19:15:00,237 INFO L280 TraceCheckUtils]: 16: Hoare triple {100#false} is_do_read_c_triggered_~__retres1~1 := 0; {100#false} is VALID [2020-07-28 19:15:00,237 INFO L280 TraceCheckUtils]: 17: Hoare triple {100#false} is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; {100#false} is VALID [2020-07-28 19:15:00,238 INFO L280 TraceCheckUtils]: 18: Hoare triple {100#false} activate_threads_#t~ret4 := is_do_read_c_triggered_#res;assume -2147483648 <= activate_threads_#t~ret4 && activate_threads_#t~ret4 <= 2147483647;activate_threads_~tmp___0~1 := activate_threads_#t~ret4;havoc activate_threads_#t~ret4; {100#false} is VALID [2020-07-28 19:15:00,238 INFO L280 TraceCheckUtils]: 19: Hoare triple {100#false} assume !(0 != activate_threads_~tmp___0~1); {100#false} is VALID [2020-07-28 19:15:00,238 INFO L280 TraceCheckUtils]: 20: Hoare triple {100#false} assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; {100#false} is VALID [2020-07-28 19:15:00,239 INFO L280 TraceCheckUtils]: 21: Hoare triple {100#false} assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; {100#false} is VALID [2020-07-28 19:15:00,239 INFO L280 TraceCheckUtils]: 22: Hoare triple {100#false} assume !false; {100#false} is VALID [2020-07-28 19:15:00,240 INFO L280 TraceCheckUtils]: 23: Hoare triple {100#false} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret5, eval_#t~nondet6, eval_#t~nondet7, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; {100#false} is VALID [2020-07-28 19:15:00,240 INFO L280 TraceCheckUtils]: 24: Hoare triple {100#false} assume !false; {100#false} is VALID [2020-07-28 19:15:00,240 INFO L280 TraceCheckUtils]: 25: Hoare triple {100#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {100#false} is VALID [2020-07-28 19:15:00,241 INFO L280 TraceCheckUtils]: 26: Hoare triple {100#false} assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; {100#false} is VALID [2020-07-28 19:15:00,241 INFO L280 TraceCheckUtils]: 27: Hoare triple {100#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {100#false} is VALID [2020-07-28 19:15:00,242 INFO L280 TraceCheckUtils]: 28: Hoare triple {100#false} eval_#t~ret5 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret5 && eval_#t~ret5 <= 2147483647;eval_~tmp___1~0 := eval_#t~ret5;havoc eval_#t~ret5; {100#false} is VALID [2020-07-28 19:15:00,242 INFO L280 TraceCheckUtils]: 29: Hoare triple {100#false} assume 0 != eval_~tmp___1~0; {100#false} is VALID [2020-07-28 19:15:00,243 INFO L280 TraceCheckUtils]: 30: Hoare triple {100#false} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval_#t~nondet6 && eval_#t~nondet6 <= 2147483647;eval_~tmp~2 := eval_#t~nondet6;havoc eval_#t~nondet6; {100#false} is VALID [2020-07-28 19:15:00,243 INFO L280 TraceCheckUtils]: 31: Hoare triple {100#false} assume !(0 != eval_~tmp~2); {100#false} is VALID [2020-07-28 19:15:00,244 INFO L280 TraceCheckUtils]: 32: Hoare triple {100#false} assume !false; {100#false} is VALID [2020-07-28 19:15:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:00,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634524178] [2020-07-28 19:15:00,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:00,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:15:00,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527036849] [2020-07-28 19:15:00,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 19:15:00,264 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:00,268 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:00,328 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:00,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:00,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:00,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:00,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:00,342 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 3 states. [2020-07-28 19:15:00,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:00,909 INFO L93 Difference]: Finished difference Result 272 states and 425 transitions. [2020-07-28 19:15:00,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:00,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 19:15:00,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:00,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2020-07-28 19:15:00,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2020-07-28 19:15:00,934 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 425 transitions. [2020-07-28 19:15:01,448 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 425 edges. 425 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:01,471 INFO L225 Difference]: With dead ends: 272 [2020-07-28 19:15:01,472 INFO L226 Difference]: Without dead ends: 178 [2020-07-28 19:15:01,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:01,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-07-28 19:15:01,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 172. [2020-07-28 19:15:01,585 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:01,586 INFO L82 GeneralOperation]: Start isEquivalent. First operand 178 states. Second operand 172 states. [2020-07-28 19:15:01,586 INFO L74 IsIncluded]: Start isIncluded. First operand 178 states. Second operand 172 states. [2020-07-28 19:15:01,587 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 172 states. [2020-07-28 19:15:01,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:01,599 INFO L93 Difference]: Finished difference Result 178 states and 255 transitions. [2020-07-28 19:15:01,599 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 255 transitions. [2020-07-28 19:15:01,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:01,602 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:01,602 INFO L74 IsIncluded]: Start isIncluded. First operand 172 states. Second operand 178 states. [2020-07-28 19:15:01,602 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 178 states. [2020-07-28 19:15:01,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:01,613 INFO L93 Difference]: Finished difference Result 178 states and 255 transitions. [2020-07-28 19:15:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 255 transitions. [2020-07-28 19:15:01,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:01,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:01,615 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:01,615 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:01,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-28 19:15:01,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 252 transitions. [2020-07-28 19:15:01,627 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 252 transitions. Word has length 33 [2020-07-28 19:15:01,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:01,628 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 252 transitions. [2020-07-28 19:15:01,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:15:01,628 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 252 transitions. [2020-07-28 19:15:01,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:15:01,630 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:01,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:01,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:15:01,631 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:01,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:01,631 INFO L82 PathProgramCache]: Analyzing trace with hash 875581448, now seen corresponding path program 1 times [2020-07-28 19:15:01,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:01,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037652817] [2020-07-28 19:15:01,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:01,753 INFO L280 TraceCheckUtils]: 0: Hoare triple {1060#true} ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; {1060#true} is VALID [2020-07-28 19:15:01,755 INFO L280 TraceCheckUtils]: 1: Hoare triple {1060#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,757 INFO L280 TraceCheckUtils]: 2: Hoare triple {1062#(<= 2 ~q_write_ev~0)} havoc start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,759 INFO L280 TraceCheckUtils]: 3: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume !(1 == ~q_req_up~0); {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,762 INFO L280 TraceCheckUtils]: 4: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,763 INFO L280 TraceCheckUtils]: 5: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,764 INFO L280 TraceCheckUtils]: 6: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume !(0 == ~q_read_ev~0); {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,765 INFO L280 TraceCheckUtils]: 7: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume !(0 == ~q_write_ev~0); {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,766 INFO L280 TraceCheckUtils]: 8: Hoare triple {1062#(<= 2 ~q_write_ev~0)} havoc activate_threads_#t~ret3, activate_threads_#t~ret4, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,767 INFO L280 TraceCheckUtils]: 9: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume !(1 == ~p_dw_pc~0); {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,768 INFO L280 TraceCheckUtils]: 10: Hoare triple {1062#(<= 2 ~q_write_ev~0)} is_do_write_p_triggered_~__retres1~0 := 0; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,769 INFO L280 TraceCheckUtils]: 11: Hoare triple {1062#(<= 2 ~q_write_ev~0)} is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,769 INFO L280 TraceCheckUtils]: 12: Hoare triple {1062#(<= 2 ~q_write_ev~0)} activate_threads_#t~ret3 := is_do_write_p_triggered_#res;assume -2147483648 <= activate_threads_#t~ret3 && activate_threads_#t~ret3 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret3;havoc activate_threads_#t~ret3; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,770 INFO L280 TraceCheckUtils]: 13: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,771 INFO L280 TraceCheckUtils]: 14: Hoare triple {1062#(<= 2 ~q_write_ev~0)} havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,772 INFO L280 TraceCheckUtils]: 15: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume !(1 == ~c_dr_pc~0); {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,773 INFO L280 TraceCheckUtils]: 16: Hoare triple {1062#(<= 2 ~q_write_ev~0)} is_do_read_c_triggered_~__retres1~1 := 0; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,774 INFO L280 TraceCheckUtils]: 17: Hoare triple {1062#(<= 2 ~q_write_ev~0)} is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,775 INFO L280 TraceCheckUtils]: 18: Hoare triple {1062#(<= 2 ~q_write_ev~0)} activate_threads_#t~ret4 := is_do_read_c_triggered_#res;assume -2147483648 <= activate_threads_#t~ret4 && activate_threads_#t~ret4 <= 2147483647;activate_threads_~tmp___0~1 := activate_threads_#t~ret4;havoc activate_threads_#t~ret4; {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,775 INFO L280 TraceCheckUtils]: 19: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume !(0 != activate_threads_~tmp___0~1); {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,776 INFO L280 TraceCheckUtils]: 20: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume !(1 == ~q_read_ev~0); {1062#(<= 2 ~q_write_ev~0)} is VALID [2020-07-28 19:15:01,777 INFO L280 TraceCheckUtils]: 21: Hoare triple {1062#(<= 2 ~q_write_ev~0)} assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; {1061#false} is VALID [2020-07-28 19:15:01,778 INFO L280 TraceCheckUtils]: 22: Hoare triple {1061#false} assume !false; {1061#false} is VALID [2020-07-28 19:15:01,778 INFO L280 TraceCheckUtils]: 23: Hoare triple {1061#false} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret5, eval_#t~nondet6, eval_#t~nondet7, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; {1061#false} is VALID [2020-07-28 19:15:01,779 INFO L280 TraceCheckUtils]: 24: Hoare triple {1061#false} assume !false; {1061#false} is VALID [2020-07-28 19:15:01,779 INFO L280 TraceCheckUtils]: 25: Hoare triple {1061#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {1061#false} is VALID [2020-07-28 19:15:01,779 INFO L280 TraceCheckUtils]: 26: Hoare triple {1061#false} assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; {1061#false} is VALID [2020-07-28 19:15:01,780 INFO L280 TraceCheckUtils]: 27: Hoare triple {1061#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {1061#false} is VALID [2020-07-28 19:15:01,780 INFO L280 TraceCheckUtils]: 28: Hoare triple {1061#false} eval_#t~ret5 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret5 && eval_#t~ret5 <= 2147483647;eval_~tmp___1~0 := eval_#t~ret5;havoc eval_#t~ret5; {1061#false} is VALID [2020-07-28 19:15:01,781 INFO L280 TraceCheckUtils]: 29: Hoare triple {1061#false} assume 0 != eval_~tmp___1~0; {1061#false} is VALID [2020-07-28 19:15:01,781 INFO L280 TraceCheckUtils]: 30: Hoare triple {1061#false} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval_#t~nondet6 && eval_#t~nondet6 <= 2147483647;eval_~tmp~2 := eval_#t~nondet6;havoc eval_#t~nondet6; {1061#false} is VALID [2020-07-28 19:15:01,781 INFO L280 TraceCheckUtils]: 31: Hoare triple {1061#false} assume !(0 != eval_~tmp~2); {1061#false} is VALID [2020-07-28 19:15:01,782 INFO L280 TraceCheckUtils]: 32: Hoare triple {1061#false} assume !false; {1061#false} is VALID [2020-07-28 19:15:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:01,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037652817] [2020-07-28 19:15:01,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:01,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:15:01,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110451263] [2020-07-28 19:15:01,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 19:15:01,788 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:01,788 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:15:01,823 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:01,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:15:01,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:01,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:15:01,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:01,825 INFO L87 Difference]: Start difference. First operand 172 states and 252 transitions. Second operand 3 states. [2020-07-28 19:15:02,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:02,333 INFO L93 Difference]: Finished difference Result 495 states and 723 transitions. [2020-07-28 19:15:02,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:15:02,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 19:15:02,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2020-07-28 19:15:02,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:15:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2020-07-28 19:15:02,342 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 380 transitions. [2020-07-28 19:15:02,759 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 380 edges. 380 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:02,771 INFO L225 Difference]: With dead ends: 495 [2020-07-28 19:15:02,772 INFO L226 Difference]: Without dead ends: 339 [2020-07-28 19:15:02,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:15:02,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-07-28 19:15:02,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 333. [2020-07-28 19:15:02,936 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:02,936 INFO L82 GeneralOperation]: Start isEquivalent. First operand 339 states. Second operand 333 states. [2020-07-28 19:15:02,936 INFO L74 IsIncluded]: Start isIncluded. First operand 339 states. Second operand 333 states. [2020-07-28 19:15:02,937 INFO L87 Difference]: Start difference. First operand 339 states. Second operand 333 states. [2020-07-28 19:15:02,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:02,951 INFO L93 Difference]: Finished difference Result 339 states and 485 transitions. [2020-07-28 19:15:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 485 transitions. [2020-07-28 19:15:02,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:02,954 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:02,954 INFO L74 IsIncluded]: Start isIncluded. First operand 333 states. Second operand 339 states. [2020-07-28 19:15:02,954 INFO L87 Difference]: Start difference. First operand 333 states. Second operand 339 states. [2020-07-28 19:15:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:02,969 INFO L93 Difference]: Finished difference Result 339 states and 485 transitions. [2020-07-28 19:15:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 485 transitions. [2020-07-28 19:15:02,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:02,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:02,971 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:02,971 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-07-28 19:15:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 482 transitions. [2020-07-28 19:15:02,987 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 482 transitions. Word has length 33 [2020-07-28 19:15:02,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:02,987 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 482 transitions. [2020-07-28 19:15:02,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:15:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 482 transitions. [2020-07-28 19:15:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:15:02,989 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:02,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:02,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:15:02,990 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:02,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:02,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1133746886, now seen corresponding path program 1 times [2020-07-28 19:15:02,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:02,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635753627] [2020-07-28 19:15:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:15:03,115 INFO L280 TraceCheckUtils]: 0: Hoare triple {2869#true} ~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; {2869#true} is VALID [2020-07-28 19:15:03,115 INFO L280 TraceCheckUtils]: 1: Hoare triple {2869#true} havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {2869#true} is VALID [2020-07-28 19:15:03,115 INFO L280 TraceCheckUtils]: 2: Hoare triple {2869#true} havoc start_simulation_#t~ret9, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; {2869#true} is VALID [2020-07-28 19:15:03,116 INFO L280 TraceCheckUtils]: 3: Hoare triple {2869#true} assume !(1 == ~q_req_up~0); {2869#true} is VALID [2020-07-28 19:15:03,116 INFO L280 TraceCheckUtils]: 4: Hoare triple {2869#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {2869#true} is VALID [2020-07-28 19:15:03,117 INFO L280 TraceCheckUtils]: 5: Hoare triple {2869#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {2869#true} is VALID [2020-07-28 19:15:03,117 INFO L280 TraceCheckUtils]: 6: Hoare triple {2869#true} assume !(0 == ~q_read_ev~0); {2869#true} is VALID [2020-07-28 19:15:03,117 INFO L280 TraceCheckUtils]: 7: Hoare triple {2869#true} assume !(0 == ~q_write_ev~0); {2869#true} is VALID [2020-07-28 19:15:03,118 INFO L280 TraceCheckUtils]: 8: Hoare triple {2869#true} havoc activate_threads_#t~ret3, activate_threads_#t~ret4, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; {2869#true} is VALID [2020-07-28 19:15:03,118 INFO L280 TraceCheckUtils]: 9: Hoare triple {2869#true} assume !(1 == ~p_dw_pc~0); {2869#true} is VALID [2020-07-28 19:15:03,119 INFO L280 TraceCheckUtils]: 10: Hoare triple {2869#true} is_do_write_p_triggered_~__retres1~0 := 0; {2871#(and (<= 0 ULTIMATE.start_is_do_write_p_triggered_~__retres1~0) (<= ULTIMATE.start_is_do_write_p_triggered_~__retres1~0 0))} is VALID [2020-07-28 19:15:03,120 INFO L280 TraceCheckUtils]: 11: Hoare triple {2871#(and (<= 0 ULTIMATE.start_is_do_write_p_triggered_~__retres1~0) (<= ULTIMATE.start_is_do_write_p_triggered_~__retres1~0 0))} is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; {2872#(and (<= |ULTIMATE.start_is_do_write_p_triggered_#res| 0) (<= 0 |ULTIMATE.start_is_do_write_p_triggered_#res|))} is VALID [2020-07-28 19:15:03,121 INFO L280 TraceCheckUtils]: 12: Hoare triple {2872#(and (<= |ULTIMATE.start_is_do_write_p_triggered_#res| 0) (<= 0 |ULTIMATE.start_is_do_write_p_triggered_#res|))} activate_threads_#t~ret3 := is_do_write_p_triggered_#res;assume -2147483648 <= activate_threads_#t~ret3 && activate_threads_#t~ret3 <= 2147483647;activate_threads_~tmp~1 := activate_threads_#t~ret3;havoc activate_threads_#t~ret3; {2873#(and (<= 0 ULTIMATE.start_activate_threads_~tmp~1) (<= ULTIMATE.start_activate_threads_~tmp~1 0))} is VALID [2020-07-28 19:15:03,122 INFO L280 TraceCheckUtils]: 13: Hoare triple {2873#(and (<= 0 ULTIMATE.start_activate_threads_~tmp~1) (<= ULTIMATE.start_activate_threads_~tmp~1 0))} assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; {2870#false} is VALID [2020-07-28 19:15:03,123 INFO L280 TraceCheckUtils]: 14: Hoare triple {2870#false} havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; {2870#false} is VALID [2020-07-28 19:15:03,123 INFO L280 TraceCheckUtils]: 15: Hoare triple {2870#false} assume !(1 == ~c_dr_pc~0); {2870#false} is VALID [2020-07-28 19:15:03,123 INFO L280 TraceCheckUtils]: 16: Hoare triple {2870#false} is_do_read_c_triggered_~__retres1~1 := 0; {2870#false} is VALID [2020-07-28 19:15:03,123 INFO L280 TraceCheckUtils]: 17: Hoare triple {2870#false} is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; {2870#false} is VALID [2020-07-28 19:15:03,124 INFO L280 TraceCheckUtils]: 18: Hoare triple {2870#false} activate_threads_#t~ret4 := is_do_read_c_triggered_#res;assume -2147483648 <= activate_threads_#t~ret4 && activate_threads_#t~ret4 <= 2147483647;activate_threads_~tmp___0~1 := activate_threads_#t~ret4;havoc activate_threads_#t~ret4; {2870#false} is VALID [2020-07-28 19:15:03,124 INFO L280 TraceCheckUtils]: 19: Hoare triple {2870#false} assume !(0 != activate_threads_~tmp___0~1); {2870#false} is VALID [2020-07-28 19:15:03,124 INFO L280 TraceCheckUtils]: 20: Hoare triple {2870#false} assume !(1 == ~q_read_ev~0); {2870#false} is VALID [2020-07-28 19:15:03,125 INFO L280 TraceCheckUtils]: 21: Hoare triple {2870#false} assume !(1 == ~q_write_ev~0); {2870#false} is VALID [2020-07-28 19:15:03,125 INFO L280 TraceCheckUtils]: 22: Hoare triple {2870#false} assume !false; {2870#false} is VALID [2020-07-28 19:15:03,125 INFO L280 TraceCheckUtils]: 23: Hoare triple {2870#false} start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret5, eval_#t~nondet6, eval_#t~nondet7, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; {2870#false} is VALID [2020-07-28 19:15:03,125 INFO L280 TraceCheckUtils]: 24: Hoare triple {2870#false} assume !false; {2870#false} is VALID [2020-07-28 19:15:03,126 INFO L280 TraceCheckUtils]: 25: Hoare triple {2870#false} havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; {2870#false} is VALID [2020-07-28 19:15:03,126 INFO L280 TraceCheckUtils]: 26: Hoare triple {2870#false} assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; {2870#false} is VALID [2020-07-28 19:15:03,130 INFO L280 TraceCheckUtils]: 27: Hoare triple {2870#false} exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; {2870#false} is VALID [2020-07-28 19:15:03,131 INFO L280 TraceCheckUtils]: 28: Hoare triple {2870#false} eval_#t~ret5 := exists_runnable_thread_#res;assume -2147483648 <= eval_#t~ret5 && eval_#t~ret5 <= 2147483647;eval_~tmp___1~0 := eval_#t~ret5;havoc eval_#t~ret5; {2870#false} is VALID [2020-07-28 19:15:03,131 INFO L280 TraceCheckUtils]: 29: Hoare triple {2870#false} assume 0 != eval_~tmp___1~0; {2870#false} is VALID [2020-07-28 19:15:03,131 INFO L280 TraceCheckUtils]: 30: Hoare triple {2870#false} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval_#t~nondet6 && eval_#t~nondet6 <= 2147483647;eval_~tmp~2 := eval_#t~nondet6;havoc eval_#t~nondet6; {2870#false} is VALID [2020-07-28 19:15:03,132 INFO L280 TraceCheckUtils]: 31: Hoare triple {2870#false} assume !(0 != eval_~tmp~2); {2870#false} is VALID [2020-07-28 19:15:03,132 INFO L280 TraceCheckUtils]: 32: Hoare triple {2870#false} assume !false; {2870#false} is VALID [2020-07-28 19:15:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:15:03,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635753627] [2020-07-28 19:15:03,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:15:03,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:15:03,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597332090] [2020-07-28 19:15:03,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 19:15:03,140 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:15:03,141 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:15:03,177 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:03,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:15:03,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:15:03,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:15:03,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:15:03,179 INFO L87 Difference]: Start difference. First operand 333 states and 482 transitions. Second operand 5 states. [2020-07-28 19:15:04,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:04,746 INFO L93 Difference]: Finished difference Result 1067 states and 1549 transitions. [2020-07-28 19:15:04,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:15:04,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 19:15:04,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:15:04,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:15:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 446 transitions. [2020-07-28 19:15:04,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:15:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 446 transitions. [2020-07-28 19:15:04,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 446 transitions. [2020-07-28 19:15:05,250 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 446 edges. 446 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:15:05,288 INFO L225 Difference]: With dead ends: 1067 [2020-07-28 19:15:05,289 INFO L226 Difference]: Without dead ends: 789 [2020-07-28 19:15:05,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:15:05,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-07-28 19:15:05,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 345. [2020-07-28 19:15:05,628 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:15:05,628 INFO L82 GeneralOperation]: Start isEquivalent. First operand 789 states. Second operand 345 states. [2020-07-28 19:15:05,628 INFO L74 IsIncluded]: Start isIncluded. First operand 789 states. Second operand 345 states. [2020-07-28 19:15:05,629 INFO L87 Difference]: Start difference. First operand 789 states. Second operand 345 states. [2020-07-28 19:15:05,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:05,671 INFO L93 Difference]: Finished difference Result 789 states and 1140 transitions. [2020-07-28 19:15:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1140 transitions. [2020-07-28 19:15:05,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:05,673 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:05,673 INFO L74 IsIncluded]: Start isIncluded. First operand 345 states. Second operand 789 states. [2020-07-28 19:15:05,673 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 789 states. [2020-07-28 19:15:05,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:15:05,714 INFO L93 Difference]: Finished difference Result 789 states and 1140 transitions. [2020-07-28 19:15:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1140 transitions. [2020-07-28 19:15:05,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:15:05,716 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:15:05,716 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:15:05,716 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:15:05,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-28 19:15:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 490 transitions. [2020-07-28 19:15:05,728 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 490 transitions. Word has length 33 [2020-07-28 19:15:05,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:15:05,728 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 490 transitions. [2020-07-28 19:15:05,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:15:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 490 transitions. [2020-07-28 19:15:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 19:15:05,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:15:05,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:15:05,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:15:05,730 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:15:05,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:15:05,730 INFO L82 PathProgramCache]: Analyzing trace with hash 316098436, now seen corresponding path program 1 times [2020-07-28 19:15:05,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:15:05,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582876741] [2020-07-28 19:15:05,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:15:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:15:05,748 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:15:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:15:05,772 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:15:05,828 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:15:05,828 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:15:05,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:15:05,963 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:15:05,963 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:15:05,964 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 19:15:05,964 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-28 19:15:05,964 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-28 19:15:05,964 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-28 19:15:05,964 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-28 19:15:05,964 WARN L170 areAnnotationChecker]: L212-1 has no Hoare annotation [2020-07-28 19:15:05,965 WARN L170 areAnnotationChecker]: L212-1 has no Hoare annotation [2020-07-28 19:15:05,965 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-28 19:15:05,965 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-28 19:15:05,965 WARN L170 areAnnotationChecker]: L227-1 has no Hoare annotation [2020-07-28 19:15:05,965 WARN L170 areAnnotationChecker]: L227-1 has no Hoare annotation [2020-07-28 19:15:05,965 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2020-07-28 19:15:05,966 WARN L170 areAnnotationChecker]: L232-1 has no Hoare annotation [2020-07-28 19:15:05,966 WARN L170 areAnnotationChecker]: L232-1 has no Hoare annotation [2020-07-28 19:15:05,966 WARN L170 areAnnotationChecker]: L265-1 has no Hoare annotation [2020-07-28 19:15:05,966 WARN L170 areAnnotationChecker]: L265-1 has no Hoare annotation [2020-07-28 19:15:05,966 WARN L170 areAnnotationChecker]: L270-1 has no Hoare annotation [2020-07-28 19:15:05,966 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 19:15:05,967 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 19:15:05,967 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:15:05,967 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:15:05,967 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 19:15:05,967 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 19:15:05,967 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-28 19:15:05,968 WARN L170 areAnnotationChecker]: L305 has no Hoare annotation [2020-07-28 19:15:05,968 WARN L170 areAnnotationChecker]: L305 has no Hoare annotation [2020-07-28 19:15:05,968 WARN L170 areAnnotationChecker]: L305-2 has no Hoare annotation [2020-07-28 19:15:05,968 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 19:15:05,968 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-28 19:15:05,968 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:15:05,969 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:15:05,969 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2020-07-28 19:15:05,969 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:15:05,969 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-28 19:15:05,969 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2020-07-28 19:15:05,969 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2020-07-28 19:15:05,970 WARN L170 areAnnotationChecker]: L313-2 has no Hoare annotation [2020-07-28 19:15:05,970 WARN L170 areAnnotationChecker]: L313-2 has no Hoare annotation [2020-07-28 19:15:05,970 WARN L170 areAnnotationChecker]: L283-1 has no Hoare annotation [2020-07-28 19:15:05,972 WARN L170 areAnnotationChecker]: L283-1 has no Hoare annotation [2020-07-28 19:15:05,973 WARN L170 areAnnotationChecker]: L409-1 has no Hoare annotation [2020-07-28 19:15:05,973 WARN L170 areAnnotationChecker]: L409-1 has no Hoare annotation [2020-07-28 19:15:05,974 WARN L170 areAnnotationChecker]: L409-1 has no Hoare annotation [2020-07-28 19:15:05,974 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-28 19:15:05,974 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:15:05,974 WARN L170 areAnnotationChecker]: L464 has no Hoare annotation [2020-07-28 19:15:05,974 WARN L170 areAnnotationChecker]: L354 has no Hoare annotation [2020-07-28 19:15:05,975 WARN L170 areAnnotationChecker]: L354 has no Hoare annotation [2020-07-28 19:15:05,976 WARN L170 areAnnotationChecker]: L354 has no Hoare annotation [2020-07-28 19:15:05,976 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:15:05,976 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-28 19:15:05,979 WARN L170 areAnnotationChecker]: L330 has no Hoare annotation [2020-07-28 19:15:05,979 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2020-07-28 19:15:05,980 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2020-07-28 19:15:05,980 WARN L170 areAnnotationChecker]: L245 has no Hoare annotation [2020-07-28 19:15:05,980 WARN L170 areAnnotationChecker]: L245 has no Hoare annotation [2020-07-28 19:15:05,980 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-28 19:15:05,980 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-28 19:15:05,980 WARN L170 areAnnotationChecker]: L212-3 has no Hoare annotation [2020-07-28 19:15:05,981 WARN L170 areAnnotationChecker]: L257 has no Hoare annotation [2020-07-28 19:15:05,981 WARN L170 areAnnotationChecker]: L249 has no Hoare annotation [2020-07-28 19:15:05,981 WARN L170 areAnnotationChecker]: L249 has no Hoare annotation [2020-07-28 19:15:05,981 WARN L170 areAnnotationChecker]: L25-5 has no Hoare annotation [2020-07-28 19:15:05,981 WARN L170 areAnnotationChecker]: L25-5 has no Hoare annotation [2020-07-28 19:15:05,981 WARN L170 areAnnotationChecker]: L265-2 has no Hoare annotation [2020-07-28 19:15:05,982 WARN L170 areAnnotationChecker]: L265-2 has no Hoare annotation [2020-07-28 19:15:05,982 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-28 19:15:05,982 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-28 19:15:05,982 WARN L170 areAnnotationChecker]: L265-4 has no Hoare annotation [2020-07-28 19:15:05,982 WARN L170 areAnnotationChecker]: L265-4 has no Hoare annotation [2020-07-28 19:15:05,982 WARN L170 areAnnotationChecker]: L334 has no Hoare annotation [2020-07-28 19:15:05,983 WARN L170 areAnnotationChecker]: L334 has no Hoare annotation [2020-07-28 19:15:05,983 WARN L170 areAnnotationChecker]: L270-3 has no Hoare annotation [2020-07-28 19:15:05,983 WARN L170 areAnnotationChecker]: L334-1 has no Hoare annotation [2020-07-28 19:15:05,983 WARN L170 areAnnotationChecker]: L334-1 has no Hoare annotation [2020-07-28 19:15:05,983 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 19:15:05,983 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 19:15:05,984 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-28 19:15:05,984 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-28 19:15:05,984 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 19:15:05,984 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 19:15:05,984 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:15:05,984 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:15:05,985 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-28 19:15:05,985 WARN L170 areAnnotationChecker]: L118 has no Hoare annotation [2020-07-28 19:15:05,985 WARN L170 areAnnotationChecker]: L118 has no Hoare annotation [2020-07-28 19:15:05,985 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-28 19:15:05,985 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-28 19:15:05,985 WARN L170 areAnnotationChecker]: L358 has no Hoare annotation [2020-07-28 19:15:05,986 WARN L170 areAnnotationChecker]: L358 has no Hoare annotation [2020-07-28 19:15:05,986 WARN L170 areAnnotationChecker]: L66-1 has no Hoare annotation [2020-07-28 19:15:05,986 WARN L170 areAnnotationChecker]: L129-1 has no Hoare annotation [2020-07-28 19:15:05,986 WARN L170 areAnnotationChecker]: L129-1 has no Hoare annotation [2020-07-28 19:15:05,986 WARN L170 areAnnotationChecker]: L129-1 has no Hoare annotation [2020-07-28 19:15:05,986 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-28 19:15:05,987 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-28 19:15:05,987 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:15:05,987 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:15:05,987 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2020-07-28 19:15:05,987 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:15:05,987 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:15:05,988 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2020-07-28 19:15:05,988 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-28 19:15:05,988 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-28 19:15:05,988 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-28 19:15:05,988 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 19:15:05,988 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2020-07-28 19:15:05,989 WARN L170 areAnnotationChecker]: L305-3 has no Hoare annotation [2020-07-28 19:15:05,989 WARN L170 areAnnotationChecker]: L305-3 has no Hoare annotation [2020-07-28 19:15:05,989 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 19:15:05,989 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 19:15:05,989 WARN L170 areAnnotationChecker]: L163 has no Hoare annotation [2020-07-28 19:15:05,989 WARN L170 areAnnotationChecker]: L305-5 has no Hoare annotation [2020-07-28 19:15:05,990 WARN L170 areAnnotationChecker]: L172-1 has no Hoare annotation [2020-07-28 19:15:05,990 WARN L170 areAnnotationChecker]: L74-3 has no Hoare annotation [2020-07-28 19:15:05,990 WARN L170 areAnnotationChecker]: L74-3 has no Hoare annotation [2020-07-28 19:15:05,990 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 19:15:05,990 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 19:15:05,990 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2020-07-28 19:15:05,991 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2020-07-28 19:15:05,991 WARN L170 areAnnotationChecker]: L74-5 has no Hoare annotation [2020-07-28 19:15:05,991 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:15:05,991 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:15:05,991 WARN L170 areAnnotationChecker]: L10-2 has no Hoare annotation [2020-07-28 19:15:05,992 WARN L170 areAnnotationChecker]: L10-2 has no Hoare annotation [2020-07-28 19:15:05,992 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-28 19:15:05,992 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-28 19:15:05,992 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-28 19:15:05,992 WARN L170 areAnnotationChecker]: L86-1 has no Hoare annotation [2020-07-28 19:15:05,992 WARN L170 areAnnotationChecker]: L313-3 has no Hoare annotation [2020-07-28 19:15:05,993 WARN L170 areAnnotationChecker]: L313-3 has no Hoare annotation [2020-07-28 19:15:05,993 WARN L170 areAnnotationChecker]: L313-5 has no Hoare annotation [2020-07-28 19:15:05,993 WARN L170 areAnnotationChecker]: L313-5 has no Hoare annotation [2020-07-28 19:15:05,993 WARN L170 areAnnotationChecker]: L283-3 has no Hoare annotation [2020-07-28 19:15:05,993 WARN L170 areAnnotationChecker]: L283-3 has no Hoare annotation [2020-07-28 19:15:05,993 WARN L170 areAnnotationChecker]: L288-3 has no Hoare annotation [2020-07-28 19:15:05,993 WARN L170 areAnnotationChecker]: L245-1 has no Hoare annotation [2020-07-28 19:15:05,994 WARN L170 areAnnotationChecker]: L245-1 has no Hoare annotation [2020-07-28 19:15:05,994 WARN L170 areAnnotationChecker]: L257-1 has no Hoare annotation [2020-07-28 19:15:05,994 WARN L170 areAnnotationChecker]: L249-1 has no Hoare annotation [2020-07-28 19:15:05,994 WARN L170 areAnnotationChecker]: L249-1 has no Hoare annotation [2020-07-28 19:15:05,994 WARN L170 areAnnotationChecker]: L258-1 has no Hoare annotation [2020-07-28 19:15:05,994 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-28 19:15:05,995 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-28 19:15:05,995 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-28 19:15:05,995 WARN L170 areAnnotationChecker]: L392 has no Hoare annotation [2020-07-28 19:15:05,995 WARN L170 areAnnotationChecker]: L426 has no Hoare annotation [2020-07-28 19:15:05,995 WARN L170 areAnnotationChecker]: L426 has no Hoare annotation [2020-07-28 19:15:05,996 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:15:06,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:15:06 BoogieIcfgContainer [2020-07-28 19:15:06,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:15:06,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:15:06,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:15:06,004 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:15:06,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:14:59" (3/4) ... [2020-07-28 19:15:06,007 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:15:06,157 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:15:06,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:15:06,161 INFO L168 Benchmark]: Toolchain (without parser) took 7565.30 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 161.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:15:06,161 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:15:06,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.18 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 944.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:15:06,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:15:06,162 INFO L168 Benchmark]: Boogie Preprocessor took 33.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:15:06,163 INFO L168 Benchmark]: RCFGBuilder took 807.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:15:06,163 INFO L168 Benchmark]: TraceAbstraction took 6081.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -37.2 MB). Peak memory consumption was 122.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:15:06,164 INFO L168 Benchmark]: Witness Printer took 154.28 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:15:06,166 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.18 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 944.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 807.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6081.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -37.2 MB). Peak memory consumption was 122.7 MB. Max. memory is 11.5 GB. * Witness Printer took 154.28 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int q_buf_0 ; [L16] int q_free ; [L17] int q_read_ev ; [L18] int q_write_ev ; [L19] int q_req_up ; [L20] int q_ev ; [L41] int p_num_write ; [L42] int p_last_write ; [L43] int p_dw_st ; [L44] int p_dw_pc ; [L45] int p_dw_i ; [L46] int c_num_read ; [L47] int c_last_read ; [L48] int c_dr_st ; [L49] int c_dr_pc ; [L50] int c_dr_i ; [L154] static int a_t ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=0, q_read_ev=0, q_req_up=0, q_write_ev=0] [L456] int __retres1 ; [L442] q_free = 1 [L443] q_write_ev = 2 [L444] q_read_ev = q_write_ev [L445] p_num_write = 0 [L446] p_dw_pc = 0 [L447] p_dw_i = 1 [L448] c_num_read = 0 [L449] c_dr_pc = 0 [L450] c_dr_i = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L396] int kernel_st ; [L397] int tmp ; [L401] kernel_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L212] COND FALSE !((int )q_req_up == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L227] COND TRUE (int )p_dw_i == 1 [L228] p_dw_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L232] COND TRUE (int )c_dr_i == 1 [L233] c_dr_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L265] COND FALSE !((int )q_read_ev == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L270] COND FALSE !((int )q_write_ev == 0) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L298] int tmp ; [L299] int tmp___0 ; [L52] int __retres1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L55] COND FALSE !((int )p_dw_pc == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L65] __retres1 = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L67] return (__retres1); VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L303] tmp = is_do_write_p_triggered() [L305] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L71] int __retres1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L74] COND FALSE !((int )c_dr_pc == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L84] __retres1 = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L86] return (__retres1); VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L311] tmp___0 = is_do_read_c_triggered() [L313] COND FALSE !(\read(tmp___0)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L283] COND FALSE !((int )q_read_ev == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L288] COND FALSE !((int )q_write_ev == 1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L409] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L412] kernel_st = 1 [L323] int tmp ; [L324] int tmp___0 ; [L325] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L329] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L242] int __retres1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L245] COND TRUE (int )p_dw_st == 0 [L246] __retres1 = 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L258] return (__retres1); VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L332] tmp___1 = exists_runnable_thread() [L334] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L339] COND TRUE (int )p_dw_st == 0 [L341] tmp = __VERIFIER_nondet_int() [L343] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L10] __VERIFIER_error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 414 SDtfs, 625 SDslu, 807 SDs, 0 SdLazy, 64 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=345occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 3 MinimizatonAttempts, 456 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 5248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...