./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe032_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe032_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f2cf9b9367c715b33782cac41f84395c7267077d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.1-dev-20ed64e [2021-08-26 14:42:02,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 14:42:02,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 14:42:02,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 14:42:02,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 14:42:02,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 14:42:02,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 14:42:02,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 14:42:02,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 14:42:02,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 14:42:02,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 14:42:02,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 14:42:02,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 14:42:02,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 14:42:02,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 14:42:02,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 14:42:02,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 14:42:02,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 14:42:02,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 14:42:02,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 14:42:02,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 14:42:02,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 14:42:02,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 14:42:02,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 14:42:02,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 14:42:02,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 14:42:02,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 14:42:02,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 14:42:02,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 14:42:02,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 14:42:02,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 14:42:02,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 14:42:02,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 14:42:02,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 14:42:02,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 14:42:02,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 14:42:02,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 14:42:02,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 14:42:02,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 14:42:02,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 14:42:02,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 14:42:02,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 14:42:02,855 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 14:42:02,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 14:42:02,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 14:42:02,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 14:42:02,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 14:42:02,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 14:42:02,859 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 14:42:02,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 14:42:02,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 14:42:02,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 14:42:02,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 14:42:02,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 14:42:02,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 14:42:02,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 14:42:02,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 14:42:02,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 14:42:02,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 14:42:02,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 14:42:02,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 14:42:02,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 14:42:02,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 14:42:02,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 14:42:02,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:42:02,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 14:42:02,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 14:42:02,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 14:42:02,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 14:42:02,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 14:42:02,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 14:42:02,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 14:42:02,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2cf9b9367c715b33782cac41f84395c7267077d [2021-08-26 14:42:03,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 14:42:03,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 14:42:03,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 14:42:03,204 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 14:42:03,205 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 14:42:03,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe032_pso.opt.i [2021-08-26 14:42:03,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff4e7a8a/7d1bd8555dee45d08cbca91651d37125/FLAG4a6431c30 [2021-08-26 14:42:03,889 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 14:42:03,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe032_pso.opt.i [2021-08-26 14:42:03,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff4e7a8a/7d1bd8555dee45d08cbca91651d37125/FLAG4a6431c30 [2021-08-26 14:42:04,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff4e7a8a/7d1bd8555dee45d08cbca91651d37125 [2021-08-26 14:42:04,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 14:42:04,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 14:42:04,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 14:42:04,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 14:42:04,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 14:42:04,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:04,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5545cc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04, skipping insertion in model container [2021-08-26 14:42:04,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:04,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 14:42:04,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 14:42:04,562 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe032_pso.opt.i[992,1005] [2021-08-26 14:42:04,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 14:42:04,818 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 14:42:04,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe032_pso.opt.i[992,1005] [2021-08-26 14:42:04,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 14:42:04,939 INFO L208 MainTranslator]: Completed translation [2021-08-26 14:42:04,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04 WrapperNode [2021-08-26 14:42:04,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 14:42:04,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 14:42:04,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 14:42:04,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 14:42:04,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:04,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:05,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 14:42:05,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 14:42:05,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 14:42:05,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 14:42:05,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:05,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:05,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:05,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:05,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:05,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:05,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:05,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 14:42:05,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 14:42:05,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 14:42:05,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 14:42:05,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (1/1) ... [2021-08-26 14:42:05,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:42:05,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 14:42:05,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 14:42:05,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 14:42:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 14:42:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-26 14:42:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 14:42:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 14:42:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-26 14:42:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-26 14:42:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-26 14:42:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-26 14:42:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-26 14:42:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-26 14:42:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 14:42:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-26 14:42:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 14:42:05,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 14:42:05,187 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-26 14:42:07,936 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 14:42:07,937 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-26 14:42:07,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:42:07 BoogieIcfgContainer [2021-08-26 14:42:07,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 14:42:07,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 14:42:07,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 14:42:07,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 14:42:07,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:42:04" (1/3) ... [2021-08-26 14:42:07,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e64568a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:42:07, skipping insertion in model container [2021-08-26 14:42:07,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:42:04" (2/3) ... [2021-08-26 14:42:07,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e64568a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:42:07, skipping insertion in model container [2021-08-26 14:42:07,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:42:07" (3/3) ... [2021-08-26 14:42:07,946 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_pso.opt.i [2021-08-26 14:42:07,951 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-26 14:42:07,951 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 14:42:07,951 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-26 14:42:07,951 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-26 14:42:07,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,992 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,992 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,993 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,993 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,999 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:07,999 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,000 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,001 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,002 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,009 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,009 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,010 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,010 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,030 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,030 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,038 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,039 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,040 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,043 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,043 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,051 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,053 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:42:08,055 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-26 14:42:08,090 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 14:42:08,095 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 14:42:08,095 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-26 14:42:08,106 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-08-26 14:42:08,114 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 106 transitions, 227 flow [2021-08-26 14:42:08,116 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 106 transitions, 227 flow [2021-08-26 14:42:08,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 106 transitions, 227 flow [2021-08-26 14:42:08,151 INFO L129 PetriNetUnfolder]: 2/103 cut-off events. [2021-08-26 14:42:08,151 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-26 14:42:08,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 103 events. 2/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-08-26 14:42:08,156 INFO L116 LiptonReduction]: Number of co-enabled transitions 1832 [2021-08-26 14:42:19,326 INFO L131 LiptonReduction]: Checked pairs total: 4527 [2021-08-26 14:42:19,327 INFO L133 LiptonReduction]: Total number of compositions: 88 [2021-08-26 14:42:19,333 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 26 transitions, 67 flow [2021-08-26 14:42:19,389 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 682 states, 679 states have (on average 3.110456553755523) internal successors, (2112), 681 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 682 states, 679 states have (on average 3.110456553755523) internal successors, (2112), 681 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-26 14:42:19,399 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:19,399 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:19,400 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:19,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:19,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1540738828, now seen corresponding path program 1 times [2021-08-26 14:42:19,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:19,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424192034] [2021-08-26 14:42:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:19,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:19,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:19,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:19,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424192034] [2021-08-26 14:42:19,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424192034] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:19,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:19,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-26 14:42:19,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771286501] [2021-08-26 14:42:19,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 14:42:19,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:19,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 14:42:19,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:42:19,712 INFO L87 Difference]: Start difference. First operand has 682 states, 679 states have (on average 3.110456553755523) internal successors, (2112), 681 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:19,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:19,831 INFO L93 Difference]: Finished difference Result 562 states and 1706 transitions. [2021-08-26 14:42:19,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 14:42:19,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-08-26 14:42:19,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:19,856 INFO L225 Difference]: With dead ends: 562 [2021-08-26 14:42:19,857 INFO L226 Difference]: Without dead ends: 538 [2021-08-26 14:42:19,858 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:42:19,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-08-26 14:42:19,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2021-08-26 14:42:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 3.0614525139664805) internal successors, (1644), 537 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:19,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1644 transitions. [2021-08-26 14:42:19,934 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1644 transitions. Word has length 7 [2021-08-26 14:42:19,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:19,935 INFO L470 AbstractCegarLoop]: Abstraction has 538 states and 1644 transitions. [2021-08-26 14:42:19,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:19,935 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1644 transitions. [2021-08-26 14:42:19,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-08-26 14:42:19,936 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:19,936 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:19,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 14:42:19,937 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:19,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:19,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1113605109, now seen corresponding path program 1 times [2021-08-26 14:42:19,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:19,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134812519] [2021-08-26 14:42:19,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:19,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:20,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:20,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134812519] [2021-08-26 14:42:20,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134812519] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:20,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:20,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-26 14:42:20,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504053288] [2021-08-26 14:42:20,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 14:42:20,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:20,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 14:42:20,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:42:20,098 INFO L87 Difference]: Start difference. First operand 538 states and 1644 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:20,114 INFO L93 Difference]: Finished difference Result 526 states and 1598 transitions. [2021-08-26 14:42:20,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 14:42:20,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-08-26 14:42:20,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:20,124 INFO L225 Difference]: With dead ends: 526 [2021-08-26 14:42:20,125 INFO L226 Difference]: Without dead ends: 526 [2021-08-26 14:42:20,125 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:42:20,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2021-08-26 14:42:20,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2021-08-26 14:42:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 525 states have (on average 3.0438095238095237) internal successors, (1598), 525 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1598 transitions. [2021-08-26 14:42:20,158 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1598 transitions. Word has length 9 [2021-08-26 14:42:20,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:20,158 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 1598 transitions. [2021-08-26 14:42:20,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1598 transitions. [2021-08-26 14:42:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-26 14:42:20,161 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:20,161 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:20,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 14:42:20,162 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:20,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:20,163 INFO L82 PathProgramCache]: Analyzing trace with hash -162020815, now seen corresponding path program 1 times [2021-08-26 14:42:20,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:20,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209414309] [2021-08-26 14:42:20,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:20,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:20,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:20,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:20,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209414309] [2021-08-26 14:42:20,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209414309] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:20,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:20,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-26 14:42:20,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667858606] [2021-08-26 14:42:20,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 14:42:20,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:20,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 14:42:20,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:42:20,279 INFO L87 Difference]: Start difference. First operand 526 states and 1598 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:20,292 INFO L93 Difference]: Finished difference Result 472 states and 1409 transitions. [2021-08-26 14:42:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 14:42:20,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-08-26 14:42:20,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:20,296 INFO L225 Difference]: With dead ends: 472 [2021-08-26 14:42:20,296 INFO L226 Difference]: Without dead ends: 472 [2021-08-26 14:42:20,296 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:42:20,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-08-26 14:42:20,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2021-08-26 14:42:20,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 471 states have (on average 2.991507430997877) internal successors, (1409), 471 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 1409 transitions. [2021-08-26 14:42:20,311 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 1409 transitions. Word has length 10 [2021-08-26 14:42:20,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:20,312 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 1409 transitions. [2021-08-26 14:42:20,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1409 transitions. [2021-08-26 14:42:20,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 14:42:20,314 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:20,314 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:20,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 14:42:20,314 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:20,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:20,315 INFO L82 PathProgramCache]: Analyzing trace with hash 781364551, now seen corresponding path program 1 times [2021-08-26 14:42:20,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:20,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312861251] [2021-08-26 14:42:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:20,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:20,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:20,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312861251] [2021-08-26 14:42:20,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312861251] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:20,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:20,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 14:42:20,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519682495] [2021-08-26 14:42:20,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 14:42:20,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:20,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 14:42:20,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:42:20,509 INFO L87 Difference]: Start difference. First operand 472 states and 1409 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:20,620 INFO L93 Difference]: Finished difference Result 492 states and 1460 transitions. [2021-08-26 14:42:20,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 14:42:20,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-26 14:42:20,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:20,624 INFO L225 Difference]: With dead ends: 492 [2021-08-26 14:42:20,624 INFO L226 Difference]: Without dead ends: 492 [2021-08-26 14:42:20,624 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 29.4ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:42:20,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-08-26 14:42:20,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2021-08-26 14:42:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 491 states have (on average 2.973523421588595) internal successors, (1460), 491 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 1460 transitions. [2021-08-26 14:42:20,639 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 1460 transitions. Word has length 13 [2021-08-26 14:42:20,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:20,639 INFO L470 AbstractCegarLoop]: Abstraction has 492 states and 1460 transitions. [2021-08-26 14:42:20,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,639 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 1460 transitions. [2021-08-26 14:42:20,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 14:42:20,641 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:20,641 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:20,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 14:42:20,642 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:20,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:20,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1020242609, now seen corresponding path program 2 times [2021-08-26 14:42:20,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:20,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674956282] [2021-08-26 14:42:20,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:20,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:20,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:20,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674956282] [2021-08-26 14:42:20,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674956282] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:20,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:20,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 14:42:20,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629545281] [2021-08-26 14:42:20,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:42:20,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:20,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:42:20,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:42:20,787 INFO L87 Difference]: Start difference. First operand 492 states and 1460 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:20,871 INFO L93 Difference]: Finished difference Result 527 states and 1572 transitions. [2021-08-26 14:42:20,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 14:42:20,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-26 14:42:20,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:20,874 INFO L225 Difference]: With dead ends: 527 [2021-08-26 14:42:20,875 INFO L226 Difference]: Without dead ends: 527 [2021-08-26 14:42:20,875 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:42:20,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2021-08-26 14:42:20,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2021-08-26 14:42:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 526 states have (on average 2.988593155893536) internal successors, (1572), 526 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 1572 transitions. [2021-08-26 14:42:20,890 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 1572 transitions. Word has length 13 [2021-08-26 14:42:20,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:20,890 INFO L470 AbstractCegarLoop]: Abstraction has 527 states and 1572 transitions. [2021-08-26 14:42:20,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1572 transitions. [2021-08-26 14:42:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-08-26 14:42:20,891 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:20,892 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:20,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 14:42:20,892 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:20,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:20,892 INFO L82 PathProgramCache]: Analyzing trace with hash 143751563, now seen corresponding path program 1 times [2021-08-26 14:42:20,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:20,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427781474] [2021-08-26 14:42:20,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:20,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:21,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:21,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427781474] [2021-08-26 14:42:21,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427781474] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:21,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:21,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 14:42:21,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901982917] [2021-08-26 14:42:21,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 14:42:21,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:21,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 14:42:21,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:42:21,088 INFO L87 Difference]: Start difference. First operand 527 states and 1572 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:21,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:21,291 INFO L93 Difference]: Finished difference Result 630 states and 1839 transitions. [2021-08-26 14:42:21,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 14:42:21,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-08-26 14:42:21,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:21,296 INFO L225 Difference]: With dead ends: 630 [2021-08-26 14:42:21,296 INFO L226 Difference]: Without dead ends: 558 [2021-08-26 14:42:21,296 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 97.2ms TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-08-26 14:42:21,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2021-08-26 14:42:21,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 490. [2021-08-26 14:42:21,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 489 states have (on average 2.8997955010224947) internal successors, (1418), 489 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:21,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 1418 transitions. [2021-08-26 14:42:21,312 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 1418 transitions. Word has length 14 [2021-08-26 14:42:21,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:21,313 INFO L470 AbstractCegarLoop]: Abstraction has 490 states and 1418 transitions. [2021-08-26 14:42:21,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:21,313 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1418 transitions. [2021-08-26 14:42:21,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-26 14:42:21,314 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:21,314 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:21,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 14:42:21,315 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:21,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:21,315 INFO L82 PathProgramCache]: Analyzing trace with hash 161329516, now seen corresponding path program 1 times [2021-08-26 14:42:21,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:21,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057730795] [2021-08-26 14:42:21,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:21,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:21,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:21,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057730795] [2021-08-26 14:42:21,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057730795] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:21,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:21,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 14:42:21,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817993998] [2021-08-26 14:42:21,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 14:42:21,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:21,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 14:42:21,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-08-26 14:42:21,492 INFO L87 Difference]: Start difference. First operand 490 states and 1418 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:21,917 INFO L93 Difference]: Finished difference Result 934 states and 2498 transitions. [2021-08-26 14:42:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-26 14:42:21,917 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-26 14:42:21,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:21,921 INFO L225 Difference]: With dead ends: 934 [2021-08-26 14:42:21,921 INFO L226 Difference]: Without dead ends: 620 [2021-08-26 14:42:21,921 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 196.7ms TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2021-08-26 14:42:21,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2021-08-26 14:42:21,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 472. [2021-08-26 14:42:21,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 471 states have (on average 2.7664543524416136) internal successors, (1303), 471 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 1303 transitions. [2021-08-26 14:42:21,937 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 1303 transitions. Word has length 15 [2021-08-26 14:42:21,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:21,938 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 1303 transitions. [2021-08-26 14:42:21,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1303 transitions. [2021-08-26 14:42:21,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-26 14:42:21,939 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:21,939 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:21,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 14:42:21,940 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:21,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:21,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1111670600, now seen corresponding path program 1 times [2021-08-26 14:42:21,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:21,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413913155] [2021-08-26 14:42:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:21,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:21,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:21,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413913155] [2021-08-26 14:42:21,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413913155] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:21,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:21,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 14:42:21,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105980819] [2021-08-26 14:42:21,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 14:42:21,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:22,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 14:42:22,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:42:22,000 INFO L87 Difference]: Start difference. First operand 472 states and 1303 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:22,013 INFO L93 Difference]: Finished difference Result 631 states and 1677 transitions. [2021-08-26 14:42:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 14:42:22,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-26 14:42:22,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:22,016 INFO L225 Difference]: With dead ends: 631 [2021-08-26 14:42:22,016 INFO L226 Difference]: Without dead ends: 372 [2021-08-26 14:42:22,017 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:42:22,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-08-26 14:42:22,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 354. [2021-08-26 14:42:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 353 states have (on average 2.594900849858357) internal successors, (916), 353 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 916 transitions. [2021-08-26 14:42:22,028 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 916 transitions. Word has length 15 [2021-08-26 14:42:22,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:22,028 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 916 transitions. [2021-08-26 14:42:22,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,029 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 916 transitions. [2021-08-26 14:42:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-26 14:42:22,029 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:22,030 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:22,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 14:42:22,030 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:22,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:22,031 INFO L82 PathProgramCache]: Analyzing trace with hash 146082404, now seen corresponding path program 2 times [2021-08-26 14:42:22,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:22,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696775953] [2021-08-26 14:42:22,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:22,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:22,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:22,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:22,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696775953] [2021-08-26 14:42:22,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696775953] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:22,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:22,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:42:22,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168069201] [2021-08-26 14:42:22,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 14:42:22,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:22,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 14:42:22,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:42:22,133 INFO L87 Difference]: Start difference. First operand 354 states and 916 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:22,196 INFO L93 Difference]: Finished difference Result 418 states and 1044 transitions. [2021-08-26 14:42:22,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 14:42:22,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-26 14:42:22,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:22,200 INFO L225 Difference]: With dead ends: 418 [2021-08-26 14:42:22,200 INFO L226 Difference]: Without dead ends: 350 [2021-08-26 14:42:22,200 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.8ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:42:22,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-08-26 14:42:22,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 322. [2021-08-26 14:42:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 321 states have (on average 2.498442367601246) internal successors, (802), 321 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 802 transitions. [2021-08-26 14:42:22,210 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 802 transitions. Word has length 15 [2021-08-26 14:42:22,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:22,210 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 802 transitions. [2021-08-26 14:42:22,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 802 transitions. [2021-08-26 14:42:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-26 14:42:22,211 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:22,211 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:22,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 14:42:22,212 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:22,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:22,212 INFO L82 PathProgramCache]: Analyzing trace with hash 102059658, now seen corresponding path program 1 times [2021-08-26 14:42:22,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:22,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092728203] [2021-08-26 14:42:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:22,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:22,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:22,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092728203] [2021-08-26 14:42:22,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092728203] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:22,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:22,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:42:22,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538831313] [2021-08-26 14:42:22,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:42:22,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:22,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:42:22,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:42:22,291 INFO L87 Difference]: Start difference. First operand 322 states and 802 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:22,314 INFO L93 Difference]: Finished difference Result 290 states and 654 transitions. [2021-08-26 14:42:22,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 14:42:22,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-26 14:42:22,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:22,316 INFO L225 Difference]: With dead ends: 290 [2021-08-26 14:42:22,316 INFO L226 Difference]: Without dead ends: 184 [2021-08-26 14:42:22,316 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:42:22,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-08-26 14:42:22,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2021-08-26 14:42:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 2.1366120218579234) internal successors, (391), 183 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 391 transitions. [2021-08-26 14:42:22,321 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 391 transitions. Word has length 16 [2021-08-26 14:42:22,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:22,321 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 391 transitions. [2021-08-26 14:42:22,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 391 transitions. [2021-08-26 14:42:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 14:42:22,322 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:22,323 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:22,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 14:42:22,323 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:22,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:22,324 INFO L82 PathProgramCache]: Analyzing trace with hash -937820237, now seen corresponding path program 1 times [2021-08-26 14:42:22,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:22,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408335848] [2021-08-26 14:42:22,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:22,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:22,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:22,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408335848] [2021-08-26 14:42:22,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408335848] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:22,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:22,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 14:42:22,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496099835] [2021-08-26 14:42:22,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 14:42:22,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:22,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 14:42:22,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:42:22,409 INFO L87 Difference]: Start difference. First operand 184 states and 391 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:22,439 INFO L93 Difference]: Finished difference Result 160 states and 308 transitions. [2021-08-26 14:42:22,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 14:42:22,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-08-26 14:42:22,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:22,440 INFO L225 Difference]: With dead ends: 160 [2021-08-26 14:42:22,440 INFO L226 Difference]: Without dead ends: 104 [2021-08-26 14:42:22,441 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.4ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:42:22,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-08-26 14:42:22,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-08-26 14:42:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.825242718446602) internal successors, (188), 103 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 188 transitions. [2021-08-26 14:42:22,444 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 188 transitions. Word has length 17 [2021-08-26 14:42:22,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:22,458 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 188 transitions. [2021-08-26 14:42:22,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,459 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 188 transitions. [2021-08-26 14:42:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 14:42:22,459 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:22,459 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:22,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 14:42:22,460 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:22,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:22,461 INFO L82 PathProgramCache]: Analyzing trace with hash -264582891, now seen corresponding path program 1 times [2021-08-26 14:42:22,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:22,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570541219] [2021-08-26 14:42:22,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:22,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:22,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:22,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570541219] [2021-08-26 14:42:22,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570541219] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:22,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:22,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 14:42:22,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647044484] [2021-08-26 14:42:22,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 14:42:22,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:22,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 14:42:22,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:42:22,585 INFO L87 Difference]: Start difference. First operand 104 states and 188 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:22,621 INFO L93 Difference]: Finished difference Result 92 states and 163 transitions. [2021-08-26 14:42:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 14:42:22,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-26 14:42:22,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:22,622 INFO L225 Difference]: With dead ends: 92 [2021-08-26 14:42:22,622 INFO L226 Difference]: Without dead ends: 63 [2021-08-26 14:42:22,622 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 22.2ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:42:22,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-08-26 14:42:22,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2021-08-26 14:42:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.6896551724137931) internal successors, (98), 58 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 98 transitions. [2021-08-26 14:42:22,624 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 98 transitions. Word has length 19 [2021-08-26 14:42:22,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:22,625 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 98 transitions. [2021-08-26 14:42:22,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2021-08-26 14:42:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-26 14:42:22,625 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:22,626 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:22,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 14:42:22,626 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:22,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:22,626 INFO L82 PathProgramCache]: Analyzing trace with hash -263945171, now seen corresponding path program 1 times [2021-08-26 14:42:22,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:22,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897086451] [2021-08-26 14:42:22,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:22,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:22,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:22,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897086451] [2021-08-26 14:42:22,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897086451] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:22,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:22,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 14:42:22,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27707492] [2021-08-26 14:42:22,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 14:42:22,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:22,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 14:42:22,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:42:22,861 INFO L87 Difference]: Start difference. First operand 59 states and 98 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:23,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:23,106 INFO L93 Difference]: Finished difference Result 84 states and 138 transitions. [2021-08-26 14:42:23,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-26 14:42:23,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-08-26 14:42:23,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:23,107 INFO L225 Difference]: With dead ends: 84 [2021-08-26 14:42:23,107 INFO L226 Difference]: Without dead ends: 63 [2021-08-26 14:42:23,108 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 182.4ms TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-08-26 14:42:23,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-08-26 14:42:23,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2021-08-26 14:42:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.6379310344827587) internal successors, (95), 58 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:23,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 95 transitions. [2021-08-26 14:42:23,110 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 95 transitions. Word has length 21 [2021-08-26 14:42:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:23,110 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 95 transitions. [2021-08-26 14:42:23,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2021-08-26 14:42:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-26 14:42:23,110 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:23,111 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:23,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-26 14:42:23,111 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:23,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:23,111 INFO L82 PathProgramCache]: Analyzing trace with hash 609415539, now seen corresponding path program 2 times [2021-08-26 14:42:23,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:23,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34643761] [2021-08-26 14:42:23,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:23,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:42:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:42:23,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:42:23,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34643761] [2021-08-26 14:42:23,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34643761] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:42:23,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:42:23,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 14:42:23,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836628803] [2021-08-26 14:42:23,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 14:42:23,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:42:23,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 14:42:23,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:42:23,263 INFO L87 Difference]: Start difference. First operand 59 states and 95 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:23,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:42:23,401 INFO L93 Difference]: Finished difference Result 83 states and 136 transitions. [2021-08-26 14:42:23,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 14:42:23,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-08-26 14:42:23,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:42:23,402 INFO L225 Difference]: With dead ends: 83 [2021-08-26 14:42:23,402 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 14:42:23,403 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 58.5ms TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-08-26 14:42:23,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 14:42:23,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 14:42:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.5576923076923077) internal successors, (81), 52 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 81 transitions. [2021-08-26 14:42:23,405 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 81 transitions. Word has length 21 [2021-08-26 14:42:23,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:42:23,405 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 81 transitions. [2021-08-26 14:42:23,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:42:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2021-08-26 14:42:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-26 14:42:23,405 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:42:23,406 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:42:23,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-26 14:42:23,406 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-26 14:42:23,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:42:23,406 INFO L82 PathProgramCache]: Analyzing trace with hash 729662229, now seen corresponding path program 3 times [2021-08-26 14:42:23,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:42:23,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767878545] [2021-08-26 14:42:23,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:42:23,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:42:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 14:42:23,474 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 14:42:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 14:42:23,629 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 14:42:23,630 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 14:42:23,630 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:42:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:42:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-26 14:42:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-26 14:42:23,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-26 14:42:23,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:42:23,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-26 14:42:23,638 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-26 14:42:23,638 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 14:42:23,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:42:23 BasicIcfg [2021-08-26 14:42:23,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 14:42:23,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 14:42:23,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 14:42:23,722 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 14:42:23,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:42:07" (3/4) ... [2021-08-26 14:42:23,728 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-26 14:42:23,836 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 14:42:23,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 14:42:23,838 INFO L168 Benchmark]: Toolchain (without parser) took 19566.39 ms. Allocated memory was 58.7 MB in the beginning and 545.3 MB in the end (delta: 486.5 MB). Free memory was 35.9 MB in the beginning and 468.9 MB in the end (delta: -432.9 MB). Peak memory consumption was 52.7 MB. Max. memory is 16.1 GB. [2021-08-26 14:42:23,838 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 41.0 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 14:42:23,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.78 ms. Allocated memory is still 58.7 MB. Free memory was 35.7 MB in the beginning and 26.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 14:42:23,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.81 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 26.5 MB in the beginning and 53.2 MB in the end (delta: -26.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-08-26 14:42:23,839 INFO L168 Benchmark]: Boogie Preprocessor took 72.01 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 50.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 14:42:23,839 INFO L168 Benchmark]: RCFGBuilder took 2832.33 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 50.3 MB in the beginning and 78.8 MB in the end (delta: -28.5 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.1 GB. [2021-08-26 14:42:23,840 INFO L168 Benchmark]: TraceAbstraction took 15781.30 ms. Allocated memory was 109.1 MB in the beginning and 545.3 MB in the end (delta: 436.2 MB). Free memory was 77.8 MB in the beginning and 487.8 MB in the end (delta: -410.0 MB). Peak memory consumption was 271.5 MB. Max. memory is 16.1 GB. [2021-08-26 14:42:23,840 INFO L168 Benchmark]: Witness Printer took 113.96 ms. Allocated memory is still 545.3 MB. Free memory was 487.8 MB in the beginning and 468.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-08-26 14:42:23,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 41.0 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 668.78 ms. Allocated memory is still 58.7 MB. Free memory was 35.7 MB in the beginning and 26.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.81 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 26.5 MB in the beginning and 53.2 MB in the end (delta: -26.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.01 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 50.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2832.33 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 50.3 MB in the beginning and 78.8 MB in the end (delta: -28.5 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15781.30 ms. Allocated memory was 109.1 MB in the beginning and 545.3 MB in the end (delta: 436.2 MB). Free memory was 77.8 MB in the beginning and 487.8 MB in the end (delta: -410.0 MB). Peak memory consumption was 271.5 MB. Max. memory is 16.1 GB. * Witness Printer took 113.96 ms. Allocated memory is still 545.3 MB. Free memory was 487.8 MB in the beginning and 468.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11210.8ms, 114 PlacesBefore, 36 PlacesAfterwards, 106 TransitionsBefore, 26 TransitionsAfterwards, 1832 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 2 ChoiceCompositions, 88 TotalNumberOfCompositions, 4527 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2281, positive: 2111, positive conditional: 0, positive unconditional: 2111, negative: 170, negative conditional: 0, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1305, positive: 1259, positive conditional: 0, positive unconditional: 1259, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1305, positive: 1246, positive conditional: 0, positive unconditional: 1246, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 673, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 649, negative conditional: 0, negative unconditional: 649, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2281, positive: 852, positive conditional: 0, positive unconditional: 852, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 1305, unknown conditional: 0, unknown unconditional: 1305] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 86, Positive conditional cache size: 0, Positive unconditional cache size: 86, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L715] 0 _Bool main$tmp_guard0; [L716] 0 _Bool main$tmp_guard1; [L718] 0 int x = 0; [L719] 0 _Bool x$flush_delayed; [L720] 0 int x$mem_tmp; [L721] 0 _Bool x$r_buff0_thd0; [L722] 0 _Bool x$r_buff0_thd1; [L723] 0 _Bool x$r_buff0_thd2; [L724] 0 _Bool x$r_buff0_thd3; [L725] 0 _Bool x$r_buff1_thd0; [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$r_buff1_thd3; [L729] 0 _Bool x$read_delayed; [L730] 0 int *x$read_delayed_var; [L731] 0 int x$w_buff0; [L732] 0 _Bool x$w_buff0_used; [L733] 0 int x$w_buff1; [L734] 0 _Bool x$w_buff1_used; [L736] 0 int y = 0; [L737] 0 _Bool weak$$choice0; [L738] 0 _Bool weak$$choice2; [L849] 0 pthread_t t2546; [L850] FCALL, FORK 0 pthread_create(&t2546, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L851] 0 pthread_t t2547; [L852] FCALL, FORK 0 pthread_create(&t2547, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L853] 0 pthread_t t2548; [L854] FCALL, FORK 0 pthread_create(&t2548, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L812] 3 x$w_buff1 = x$w_buff0 [L813] 3 x$w_buff0 = 2 [L814] 3 x$w_buff1_used = x$w_buff0_used [L815] 3 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 3 !(!expression) [L817] 3 x$r_buff1_thd0 = x$r_buff0_thd0 [L818] 3 x$r_buff1_thd1 = x$r_buff0_thd1 [L819] 3 x$r_buff1_thd2 = x$r_buff0_thd2 [L820] 3 x$r_buff1_thd3 = x$r_buff0_thd3 [L821] 3 x$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L824] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L742] 1 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L747] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L748] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L749] 1 x$flush_delayed = weak$$choice2 [L750] 1 x$mem_tmp = x [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 __unbuffered_p0_EAX = x [L759] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L759] 1 x = x$flush_delayed ? x$mem_tmp : x [L760] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; [L772] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L776] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L776] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L777] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L778] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L779] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L782] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L783] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L784] 2 x$flush_delayed = weak$$choice2 [L785] 2 x$mem_tmp = x [L786] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L786] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L793] 2 __unbuffered_p1_EAX = x [L794] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L794] 2 x = x$flush_delayed ? x$mem_tmp : x [L795] 2 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L799] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L799] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L800] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L800] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L801] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L801] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L802] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L802] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L805] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L807] 2 return 0; [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L827] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L828] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L828] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L829] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L829] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L830] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L830] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L831] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L831] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L834] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L836] 3 return 0; [L856] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L861] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L861] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L862] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L862] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L863] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L863] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L864] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L864] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L867] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L868] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L869] 0 x$flush_delayed = weak$$choice2 [L870] 0 x$mem_tmp = x [L871] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L871] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L872] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L872] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L873] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L873] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L874] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L874] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L875] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L876] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L877] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1) [L879] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L879] 0 x = x$flush_delayed ? x$mem_tmp : x [L880] 0 x$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 854]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 850]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 852]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 133 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 15547.2ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 23.8ms, AutomataDifference: 1625.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11294.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 292 SDtfs, 461 SDslu, 420 SDs, 0 SdLazy, 388 SolverSat, 268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 811.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 666.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=682occurred in iteration=0, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 207.6ms AutomataMinimizationTime, 14 MinimizatonAttempts, 270 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 66.9ms SsaConstructionTime, 634.2ms SatisfiabilityAnalysisTime, 1264.8ms InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 1458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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! [2021-08-26 14:42:23,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...