./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi006_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/rfi006_tso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0a10c23faeee711c7362bd5b221cc36f402cf9f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 03:01:39,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:01:39,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:01:39,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:01:39,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:01:39,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:01:39,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:01:39,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:01:39,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:01:40,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:01:40,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:01:40,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:01:40,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:01:40,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:01:40,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:01:40,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:01:40,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:01:40,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:01:40,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:01:40,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:01:40,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:01:40,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:01:40,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:01:40,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:01:40,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:01:40,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:01:40,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:01:40,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:01:40,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:01:40,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:01:40,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:01:40,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:01:40,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:01:40,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:01:40,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:01:40,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:01:40,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:01:40,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:01:40,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:01:40,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:01:40,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:01:40,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 03:01:40,099 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:01:40,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:01:40,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:01:40,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:01:40,101 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:01:40,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:01:40,101 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:01:40,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 03:01:40,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:01:40,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:01:40,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:01:40,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:01:40,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:01:40,103 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:01:40,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:01:40,103 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:01:40,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:01:40,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:01:40,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:01:40,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:01:40,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:01:40,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:01:40,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:01:40,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:01:40,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:01:40,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 03:01:40,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 03:01:40,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:01:40,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:01:40,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(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 -> d0a10c23faeee711c7362bd5b221cc36f402cf9f [2020-10-20 03:01:40,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:01:40,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:01:40,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:01:40,368 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:01:40,370 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:01:40,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi006_tso.oepc.i [2020-10-20 03:01:40,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f640009a3/a961e7806aab4b3cb1e5a172c72a9789/FLAG765adde1e [2020-10-20 03:01:41,119 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:01:41,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi006_tso.oepc.i [2020-10-20 03:01:41,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f640009a3/a961e7806aab4b3cb1e5a172c72a9789/FLAG765adde1e [2020-10-20 03:01:41,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f640009a3/a961e7806aab4b3cb1e5a172c72a9789 [2020-10-20 03:01:41,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:01:41,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:01:41,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:01:41,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:01:41,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:01:41,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:01:41" (1/1) ... [2020-10-20 03:01:41,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b1375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:41, skipping insertion in model container [2020-10-20 03:01:41,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:01:41" (1/1) ... [2020-10-20 03:01:41,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:01:41,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:01:41,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 03:01:41,976 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 03:01:42,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 03:01:42,165 INFO L208 MainTranslator]: Completed translation [2020-10-20 03:01:42,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42 WrapperNode [2020-10-20 03:01:42,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:01:42,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 03:01:42,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 03:01:42,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 03:01:42,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (1/1) ... [2020-10-20 03:01:42,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (1/1) ... [2020-10-20 03:01:42,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 03:01:42,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 03:01:42,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 03:01:42,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 03:01:42,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (1/1) ... [2020-10-20 03:01:42,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (1/1) ... [2020-10-20 03:01:42,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (1/1) ... [2020-10-20 03:01:42,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (1/1) ... [2020-10-20 03:01:42,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (1/1) ... [2020-10-20 03:01:42,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (1/1) ... [2020-10-20 03:01:42,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (1/1) ... [2020-10-20 03:01:42,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 03:01:42,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 03:01:42,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 03:01:42,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 03:01:42,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:01:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 03:01:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-20 03:01:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 03:01:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 03:01:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-20 03:01:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-20 03:01:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-20 03:01:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-20 03:01:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-20 03:01:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-20 03:01:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 03:01:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-20 03:01:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 03:01:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 03:01:42,380 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-20 03:01:45,513 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 03:01:45,516 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-20 03:01:45,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 03:01:45 BoogieIcfgContainer [2020-10-20 03:01:45,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 03:01:45,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 03:01:45,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 03:01:45,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 03:01:45,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 03:01:41" (1/3) ... [2020-10-20 03:01:45,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e1e3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 03:01:45, skipping insertion in model container [2020-10-20 03:01:45,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:01:42" (2/3) ... [2020-10-20 03:01:45,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e1e3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 03:01:45, skipping insertion in model container [2020-10-20 03:01:45,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 03:01:45" (3/3) ... [2020-10-20 03:01:45,715 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi006_tso.oepc.i [2020-10-20 03:01:45,733 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-20 03:01:45,733 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 03:01:45,749 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-20 03:01:45,750 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-20 03:01:45,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,815 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,815 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,819 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,819 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,820 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,822 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,843 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,843 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,867 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,870 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,876 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,876 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 03:01:45,879 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-20 03:01:45,896 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-20 03:01:45,919 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 03:01:45,919 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 03:01:45,920 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 03:01:45,920 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 03:01:45,920 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 03:01:45,920 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 03:01:45,920 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 03:01:45,921 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 03:01:45,939 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-20 03:01:45,943 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 102 transitions, 219 flow [2020-10-20 03:01:45,946 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 102 transitions, 219 flow [2020-10-20 03:01:45,948 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 109 places, 102 transitions, 219 flow [2020-10-20 03:01:46,018 INFO L129 PetriNetUnfolder]: 3/99 cut-off events. [2020-10-20 03:01:46,019 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-20 03:01:46,027 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 3/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2020-10-20 03:01:46,035 INFO L117 LiptonReduction]: Number of co-enabled transitions 1866 [2020-10-20 03:01:46,462 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-20 03:01:47,083 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 03:01:47,083 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 03:01:47,151 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 03:01:47,151 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 03:01:47,384 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 3, 2, 1] term [2020-10-20 03:01:47,384 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:47,386 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-20 03:01:47,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:47,408 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 3, 2, 1] term [2020-10-20 03:01:47,408 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:47,410 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-20 03:01:47,410 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:49,006 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2020-10-20 03:01:49,022 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 1] term [2020-10-20 03:01:49,022 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:49,024 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-20 03:01:49,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:49,935 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 124 [2020-10-20 03:01:50,049 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 03:01:50,052 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 03:01:50,249 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 03:01:50,250 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 03:01:50,254 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,255 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 03:01:50,258 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,259 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 03:01:50,260 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,261 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 03:01:50,263 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 03:01:50,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:50,267 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,267 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:50,274 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,275 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:50,347 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,348 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 03:01:50,352 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-20 03:01:50,353 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:50,557 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,560 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 03:01:50,566 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-20 03:01:50,567 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:50,603 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 03:01:50,603 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 03:01:50,605 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,606 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 03:01:50,608 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,608 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 03:01:50,609 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,610 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 03:01:50,611 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 03:01:50,612 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:50,614 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,615 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:50,616 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 03:01:50,617 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 03:01:51,873 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 110 [2020-10-20 03:01:52,202 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-20 03:01:53,197 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 126 [2020-10-20 03:01:53,531 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-20 03:01:54,071 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-10-20 03:01:54,700 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-20 03:01:54,904 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-20 03:01:55,406 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-20 03:01:55,808 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-20 03:01:55,908 INFO L132 LiptonReduction]: Checked pairs total: 5323 [2020-10-20 03:01:55,908 INFO L134 LiptonReduction]: Total number of compositions: 94 [2020-10-20 03:01:55,915 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 27 transitions, 69 flow [2020-10-20 03:01:55,961 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 782 states. [2020-10-20 03:01:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states. [2020-10-20 03:01:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-20 03:01:55,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:01:55,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-20 03:01:55,973 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:01:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:01:55,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1361778863, now seen corresponding path program 1 times [2020-10-20 03:01:55,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:01:55,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091386955] [2020-10-20 03:01:55,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:01:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:01:56,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:01:56,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091386955] [2020-10-20 03:01:56,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:01:56,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 03:01:56,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459351660] [2020-10-20 03:01:56,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 03:01:56,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:01:56,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 03:01:56,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:01:56,278 INFO L87 Difference]: Start difference. First operand 782 states. Second operand 3 states. [2020-10-20 03:01:56,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:01:56,401 INFO L93 Difference]: Finished difference Result 672 states and 2088 transitions. [2020-10-20 03:01:56,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 03:01:56,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-20 03:01:56,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:01:56,441 INFO L225 Difference]: With dead ends: 672 [2020-10-20 03:01:56,441 INFO L226 Difference]: Without dead ends: 552 [2020-10-20 03:01:56,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:01:56,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-10-20 03:01:56,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 552. [2020-10-20 03:01:56,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-10-20 03:01:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 1682 transitions. [2020-10-20 03:01:56,548 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 1682 transitions. Word has length 5 [2020-10-20 03:01:56,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:01:56,548 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 1682 transitions. [2020-10-20 03:01:56,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 03:01:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 1682 transitions. [2020-10-20 03:01:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 03:01:56,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:01:56,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:01:56,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 03:01:56,551 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:01:56,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:01:56,552 INFO L82 PathProgramCache]: Analyzing trace with hash 590163897, now seen corresponding path program 1 times [2020-10-20 03:01:56,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:01:56,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005917587] [2020-10-20 03:01:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:01:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:01:56,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:01:56,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005917587] [2020-10-20 03:01:56,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:01:56,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 03:01:56,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947554299] [2020-10-20 03:01:56,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 03:01:56,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:01:56,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 03:01:56,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:01:56,708 INFO L87 Difference]: Start difference. First operand 552 states and 1682 transitions. Second operand 3 states. [2020-10-20 03:01:56,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:01:56,728 INFO L93 Difference]: Finished difference Result 512 states and 1540 transitions. [2020-10-20 03:01:56,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 03:01:56,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-20 03:01:56,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:01:56,734 INFO L225 Difference]: With dead ends: 512 [2020-10-20 03:01:56,734 INFO L226 Difference]: Without dead ends: 512 [2020-10-20 03:01:56,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:01:56,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-10-20 03:01:56,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2020-10-20 03:01:56,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-20 03:01:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 1540 transitions. [2020-10-20 03:01:56,759 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 1540 transitions. Word has length 9 [2020-10-20 03:01:56,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:01:56,760 INFO L481 AbstractCegarLoop]: Abstraction has 512 states and 1540 transitions. [2020-10-20 03:01:56,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 03:01:56,760 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1540 transitions. [2020-10-20 03:01:56,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 03:01:56,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:01:56,763 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:01:56,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 03:01:56,764 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:01:56,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:01:56,764 INFO L82 PathProgramCache]: Analyzing trace with hash 2023117172, now seen corresponding path program 1 times [2020-10-20 03:01:56,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:01:56,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136374682] [2020-10-20 03:01:56,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:01:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:01:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:01:56,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136374682] [2020-10-20 03:01:56,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:01:56,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 03:01:56,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302177358] [2020-10-20 03:01:56,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 03:01:56,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:01:56,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 03:01:56,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:01:56,881 INFO L87 Difference]: Start difference. First operand 512 states and 1540 transitions. Second operand 3 states. [2020-10-20 03:01:56,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:01:56,892 INFO L93 Difference]: Finished difference Result 496 states and 1484 transitions. [2020-10-20 03:01:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 03:01:56,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-20 03:01:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:01:56,897 INFO L225 Difference]: With dead ends: 496 [2020-10-20 03:01:56,898 INFO L226 Difference]: Without dead ends: 496 [2020-10-20 03:01:56,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 03:01:56,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2020-10-20 03:01:56,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2020-10-20 03:01:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-20 03:01:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 1484 transitions. [2020-10-20 03:01:56,916 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 1484 transitions. Word has length 11 [2020-10-20 03:01:56,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:01:56,916 INFO L481 AbstractCegarLoop]: Abstraction has 496 states and 1484 transitions. [2020-10-20 03:01:56,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 03:01:56,917 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1484 transitions. [2020-10-20 03:01:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 03:01:56,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:01:56,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:01:56,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 03:01:56,920 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:01:56,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:01:56,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1518663181, now seen corresponding path program 1 times [2020-10-20 03:01:56,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:01:56,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986704293] [2020-10-20 03:01:56,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:01:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:01:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:01:57,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986704293] [2020-10-20 03:01:57,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:01:57,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 03:01:57,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6873588] [2020-10-20 03:01:57,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 03:01:57,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:01:57,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 03:01:57,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 03:01:57,059 INFO L87 Difference]: Start difference. First operand 496 states and 1484 transitions. Second operand 4 states. [2020-10-20 03:01:57,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:01:57,341 INFO L93 Difference]: Finished difference Result 696 states and 2058 transitions. [2020-10-20 03:01:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 03:01:57,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-20 03:01:57,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:01:57,346 INFO L225 Difference]: With dead ends: 696 [2020-10-20 03:01:57,346 INFO L226 Difference]: Without dead ends: 352 [2020-10-20 03:01:57,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 03:01:57,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-10-20 03:01:57,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2020-10-20 03:01:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2020-10-20 03:01:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 1024 transitions. [2020-10-20 03:01:57,360 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 1024 transitions. Word has length 12 [2020-10-20 03:01:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:01:57,361 INFO L481 AbstractCegarLoop]: Abstraction has 352 states and 1024 transitions. [2020-10-20 03:01:57,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 03:01:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1024 transitions. [2020-10-20 03:01:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 03:01:57,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:01:57,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:01:57,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 03:01:57,363 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:01:57,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:01:57,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1405258731, now seen corresponding path program 1 times [2020-10-20 03:01:57,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:01:57,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122890618] [2020-10-20 03:01:57,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:01:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:01:57,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:01:57,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122890618] [2020-10-20 03:01:57,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:01:57,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 03:01:57,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488557302] [2020-10-20 03:01:57,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 03:01:57,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:01:57,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 03:01:57,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 03:01:57,514 INFO L87 Difference]: Start difference. First operand 352 states and 1024 transitions. Second operand 4 states. [2020-10-20 03:01:57,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:01:57,554 INFO L93 Difference]: Finished difference Result 340 states and 865 transitions. [2020-10-20 03:01:57,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 03:01:57,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-20 03:01:57,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:01:57,557 INFO L225 Difference]: With dead ends: 340 [2020-10-20 03:01:57,557 INFO L226 Difference]: Without dead ends: 244 [2020-10-20 03:01:57,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 03:01:57,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-20 03:01:57,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2020-10-20 03:01:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-20 03:01:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 602 transitions. [2020-10-20 03:01:57,566 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 602 transitions. Word has length 13 [2020-10-20 03:01:57,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:01:57,567 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 602 transitions. [2020-10-20 03:01:57,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 03:01:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 602 transitions. [2020-10-20 03:01:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 03:01:57,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:01:57,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:01:57,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 03:01:57,568 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:01:57,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:01:57,569 INFO L82 PathProgramCache]: Analyzing trace with hash 275175129, now seen corresponding path program 1 times [2020-10-20 03:01:57,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:01:57,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157758050] [2020-10-20 03:01:57,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:01:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:01:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:01:57,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157758050] [2020-10-20 03:01:57,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:01:57,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 03:01:57,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971018005] [2020-10-20 03:01:57,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 03:01:57,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:01:57,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 03:01:57,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 03:01:57,707 INFO L87 Difference]: Start difference. First operand 244 states and 602 transitions. Second operand 5 states. [2020-10-20 03:01:57,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:01:57,760 INFO L93 Difference]: Finished difference Result 196 states and 434 transitions. [2020-10-20 03:01:57,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 03:01:57,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-20 03:01:57,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:01:57,763 INFO L225 Difference]: With dead ends: 196 [2020-10-20 03:01:57,763 INFO L226 Difference]: Without dead ends: 145 [2020-10-20 03:01:57,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-20 03:01:57,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-20 03:01:57,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2020-10-20 03:01:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-20 03:01:57,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 307 transitions. [2020-10-20 03:01:57,769 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 307 transitions. Word has length 15 [2020-10-20 03:01:57,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:01:57,769 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 307 transitions. [2020-10-20 03:01:57,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 03:01:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 307 transitions. [2020-10-20 03:01:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 03:01:57,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:01:57,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:01:57,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 03:01:57,771 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:01:57,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:01:57,772 INFO L82 PathProgramCache]: Analyzing trace with hash 366256511, now seen corresponding path program 1 times [2020-10-20 03:01:57,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:01:57,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129162654] [2020-10-20 03:01:57,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:01:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 03:01:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 03:01:57,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129162654] [2020-10-20 03:01:57,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 03:01:57,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 03:01:57,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730758218] [2020-10-20 03:01:57,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 03:01:57,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 03:01:57,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 03:01:57,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-20 03:01:57,903 INFO L87 Difference]: Start difference. First operand 145 states and 307 transitions. Second operand 6 states. [2020-10-20 03:01:57,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 03:01:57,963 INFO L93 Difference]: Finished difference Result 127 states and 269 transitions. [2020-10-20 03:01:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 03:01:57,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-10-20 03:01:57,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 03:01:57,966 INFO L225 Difference]: With dead ends: 127 [2020-10-20 03:01:57,966 INFO L226 Difference]: Without dead ends: 115 [2020-10-20 03:01:57,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-20 03:01:57,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-20 03:01:57,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-20 03:01:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-20 03:01:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 247 transitions. [2020-10-20 03:01:57,971 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 247 transitions. Word has length 18 [2020-10-20 03:01:57,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 03:01:57,972 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 247 transitions. [2020-10-20 03:01:57,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 03:01:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 247 transitions. [2020-10-20 03:01:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-20 03:01:57,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 03:01:57,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 03:01:57,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 03:01:57,974 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 03:01:57,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 03:01:57,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1822253101, now seen corresponding path program 1 times [2020-10-20 03:01:57,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 03:01:57,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603600722] [2020-10-20 03:01:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 03:01:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 03:01:58,097 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 03:01:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 03:01:58,186 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 03:01:58,226 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 03:01:58,226 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 03:01:58,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 03:01:58,228 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-20 03:01:58,245 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1370] [1370] L3-->L849: Formula: (let ((.cse7 (= (mod ~y$r_buff1_thd0~0_In1851113013 256) 0)) (.cse6 (= (mod ~y$w_buff1_used~0_In1851113013 256) 0)) (.cse8 (= 0 (mod ~y$w_buff0_used~0_In1851113013 256))) (.cse9 (= (mod ~y$r_buff0_thd0~0_In1851113013 256) 0))) (let ((.cse0 (or .cse8 .cse9)) (.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse5 (or .cse7 .cse6)) (.cse3 (not .cse7)) (.cse4 (not .cse6))) (and (or (and .cse0 (= ~y$w_buff0_used~0_In1851113013 ~y$w_buff0_used~0_Out1851113013)) (and .cse1 .cse2 (= ~y$w_buff0_used~0_Out1851113013 0))) (or (and .cse0 (or (and .cse3 .cse4 (= ~y$w_buff1~0_In1851113013 ~y~0_Out1851113013)) (and .cse5 (= ~y~0_In1851113013 ~y~0_Out1851113013)))) (and .cse1 .cse2 (= ~y$w_buff0~0_In1851113013 ~y~0_Out1851113013))) (or (and .cse5 (= ~y$w_buff1_used~0_Out1851113013 ~y$w_buff1_used~0_In1851113013)) (and .cse3 (= ~y$w_buff1_used~0_Out1851113013 0) .cse4)) (= ~y$r_buff1_thd0~0_In1851113013 ~y$r_buff1_thd0~0_Out1851113013) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In1851113013 0)) (= ~y$r_buff0_thd0~0_Out1851113013 ~y$r_buff0_thd0~0_In1851113013)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In1851113013, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1851113013, ~y$w_buff1~0=~y$w_buff1~0_In1851113013, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1851113013, ~y$w_buff0~0=~y$w_buff0~0_In1851113013, ~y~0=~y~0_In1851113013, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1851113013, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1851113013} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out1851113013, ULTIMATE.start_main_#t~ite49=|ULTIMATE.start_main_#t~ite49_Out1851113013|, ULTIMATE.start_main_#t~ite54=|ULTIMATE.start_main_#t~ite54_Out1851113013|, ULTIMATE.start_main_#t~ite53=|ULTIMATE.start_main_#t~ite53_Out1851113013|, ULTIMATE.start_main_#t~ite50=|ULTIMATE.start_main_#t~ite50_Out1851113013|, ULTIMATE.start_main_#t~ite52=|ULTIMATE.start_main_#t~ite52_Out1851113013|, ULTIMATE.start_main_#t~ite51=|ULTIMATE.start_main_#t~ite51_Out1851113013|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In1851113013, ~y$w_buff1~0=~y$w_buff1~0_In1851113013, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out1851113013, ~y$w_buff0~0=~y$w_buff0~0_In1851113013, ~y~0=~y~0_Out1851113013, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out1851113013, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out1851113013} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite50, ULTIMATE.start_main_#t~ite52, ULTIMATE.start_main_#t~ite51, ~y$w_buff0_used~0, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite49, ULTIMATE.start_main_#t~ite54, ~y~0, ULTIMATE.start_main_#t~ite53, ~y$r_buff1_thd0~0, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-20 03:01:58,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,253 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [762] [2020-10-20 03:01:58,254 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,254 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,254 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,254 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,255 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,255 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,255 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,255 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,256 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,256 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,256 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,256 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,256 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,258 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,258 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,259 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,259 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,259 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,260 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,260 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,260 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,261 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,261 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,261 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,261 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,262 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,262 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,262 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,262 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,263 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,263 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,264 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,264 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,264 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,264 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,264 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,265 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,265 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,266 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,266 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,266 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,267 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,267 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,267 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,267 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,268 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,268 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,268 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,269 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,269 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,269 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,269 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,269 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,270 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,270 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,270 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,270 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,270 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,271 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,271 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,271 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,271 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,271 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,272 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,272 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,272 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,272 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,272 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 03:01:58 BasicIcfg [2020-10-20 03:01:58,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 03:01:58,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 03:01:58,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 03:01:58,347 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 03:01:58,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 03:01:45" (3/4) ... [2020-10-20 03:01:58,350 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 03:01:58,365 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1370] [1370] L3-->L849: Formula: (let ((.cse7 (= (mod ~y$r_buff1_thd0~0_In1851113013 256) 0)) (.cse6 (= (mod ~y$w_buff1_used~0_In1851113013 256) 0)) (.cse8 (= 0 (mod ~y$w_buff0_used~0_In1851113013 256))) (.cse9 (= (mod ~y$r_buff0_thd0~0_In1851113013 256) 0))) (let ((.cse0 (or .cse8 .cse9)) (.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse5 (or .cse7 .cse6)) (.cse3 (not .cse7)) (.cse4 (not .cse6))) (and (or (and .cse0 (= ~y$w_buff0_used~0_In1851113013 ~y$w_buff0_used~0_Out1851113013)) (and .cse1 .cse2 (= ~y$w_buff0_used~0_Out1851113013 0))) (or (and .cse0 (or (and .cse3 .cse4 (= ~y$w_buff1~0_In1851113013 ~y~0_Out1851113013)) (and .cse5 (= ~y~0_In1851113013 ~y~0_Out1851113013)))) (and .cse1 .cse2 (= ~y$w_buff0~0_In1851113013 ~y~0_Out1851113013))) (or (and .cse5 (= ~y$w_buff1_used~0_Out1851113013 ~y$w_buff1_used~0_In1851113013)) (and .cse3 (= ~y$w_buff1_used~0_Out1851113013 0) .cse4)) (= ~y$r_buff1_thd0~0_In1851113013 ~y$r_buff1_thd0~0_Out1851113013) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In1851113013 0)) (= ~y$r_buff0_thd0~0_Out1851113013 ~y$r_buff0_thd0~0_In1851113013)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In1851113013, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1851113013, ~y$w_buff1~0=~y$w_buff1~0_In1851113013, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1851113013, ~y$w_buff0~0=~y$w_buff0~0_In1851113013, ~y~0=~y~0_In1851113013, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1851113013, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1851113013} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out1851113013, ULTIMATE.start_main_#t~ite49=|ULTIMATE.start_main_#t~ite49_Out1851113013|, ULTIMATE.start_main_#t~ite54=|ULTIMATE.start_main_#t~ite54_Out1851113013|, ULTIMATE.start_main_#t~ite53=|ULTIMATE.start_main_#t~ite53_Out1851113013|, ULTIMATE.start_main_#t~ite50=|ULTIMATE.start_main_#t~ite50_Out1851113013|, ULTIMATE.start_main_#t~ite52=|ULTIMATE.start_main_#t~ite52_Out1851113013|, ULTIMATE.start_main_#t~ite51=|ULTIMATE.start_main_#t~ite51_Out1851113013|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In1851113013, ~y$w_buff1~0=~y$w_buff1~0_In1851113013, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out1851113013, ~y$w_buff0~0=~y$w_buff0~0_In1851113013, ~y~0=~y~0_Out1851113013, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out1851113013, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out1851113013} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite50, ULTIMATE.start_main_#t~ite52, ULTIMATE.start_main_#t~ite51, ~y$w_buff0_used~0, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite49, ULTIMATE.start_main_#t~ite54, ~y~0, ULTIMATE.start_main_#t~ite53, ~y$r_buff1_thd0~0, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-20 03:01:58,367 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,367 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,367 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,368 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [762] [2020-10-20 03:01:58,368 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,368 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,368 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,369 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,369 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,369 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,369 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,369 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,374 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,374 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,374 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,375 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,375 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,375 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,375 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,376 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,376 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,376 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,376 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,376 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,376 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,377 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,377 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,377 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,377 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,377 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,378 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,378 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,378 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,378 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,378 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,378 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,379 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,379 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,379 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,379 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,380 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,380 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,380 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,380 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,380 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,380 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,381 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,381 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,381 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,381 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,381 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,382 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,382 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,382 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,382 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,382 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-20 03:01:58,382 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 03:01:58,478 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 03:01:58,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 03:01:58,480 INFO L168 Benchmark]: Toolchain (without parser) took 17045.41 ms. Allocated memory was 43.0 MB in the beginning and 150.5 MB in the end (delta: 107.5 MB). Free memory was 21.2 MB in the beginning and 36.7 MB in the end (delta: -15.5 MB). Peak memory consumption was 92.0 MB. Max. memory is 14.3 GB. [2020-10-20 03:01:58,481 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 32.5 MB. Free memory was 11.5 MB in the beginning and 11.5 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 03:01:58,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.76 ms. Allocated memory was 43.0 MB in the beginning and 46.1 MB in the end (delta: 3.1 MB). Free memory was 20.4 MB in the beginning and 12.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 12.1 MB. Max. memory is 14.3 GB. [2020-10-20 03:01:58,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.19 ms. Allocated memory is still 46.1 MB. Free memory was 12.9 MB in the beginning and 9.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. [2020-10-20 03:01:58,482 INFO L168 Benchmark]: Boogie Preprocessor took 58.75 ms. Allocated memory is still 46.1 MB. Free memory was 9.3 MB in the beginning and 26.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 7.3 kB. Max. memory is 14.3 GB. [2020-10-20 03:01:58,483 INFO L168 Benchmark]: RCFGBuilder took 3218.06 ms. Allocated memory was 46.1 MB in the beginning and 73.4 MB in the end (delta: 27.3 MB). Free memory was 26.9 MB in the beginning and 8.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 47.8 MB. Max. memory is 14.3 GB. [2020-10-20 03:01:58,483 INFO L168 Benchmark]: TraceAbstraction took 12648.23 ms. Allocated memory was 82.3 MB in the beginning and 150.5 MB in the end (delta: 68.2 MB). Free memory was 58.8 MB in the beginning and 59.1 MB in the end (delta: -299.0 kB). Peak memory consumption was 67.9 MB. Max. memory is 14.3 GB. [2020-10-20 03:01:58,483 INFO L168 Benchmark]: Witness Printer took 132.71 ms. Allocated memory is still 150.5 MB. Free memory was 59.1 MB in the beginning and 36.7 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 14.3 GB. [2020-10-20 03:01:58,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 32.5 MB. Free memory was 11.5 MB in the beginning and 11.5 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 725.76 ms. Allocated memory was 43.0 MB in the beginning and 46.1 MB in the end (delta: 3.1 MB). Free memory was 20.4 MB in the beginning and 12.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 12.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 78.19 ms. Allocated memory is still 46.1 MB. Free memory was 12.9 MB in the beginning and 9.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 58.75 ms. Allocated memory is still 46.1 MB. Free memory was 9.3 MB in the beginning and 26.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 7.3 kB. Max. memory is 14.3 GB. * RCFGBuilder took 3218.06 ms. Allocated memory was 46.1 MB in the beginning and 73.4 MB in the end (delta: 27.3 MB). Free memory was 26.9 MB in the beginning and 8.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 47.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 12648.23 ms. Allocated memory was 82.3 MB in the beginning and 150.5 MB in the end (delta: 68.2 MB). Free memory was 58.8 MB in the beginning and 59.1 MB in the end (delta: -299.0 kB). Peak memory consumption was 67.9 MB. Max. memory is 14.3 GB. * Witness Printer took 132.71 ms. Allocated memory is still 150.5 MB. Free memory was 59.1 MB in the beginning and 36.7 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1237 VarBasedMoverChecksPositive, 88 VarBasedMoverChecksNegative, 44 SemBasedMoverChecksPositive, 44 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 112 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.9s, 109 PlacesBefore, 36 PlacesAfterwards, 102 TransitionsBefore, 27 TransitionsAfterwards, 1866 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 2 ChoiceCompositions, 94 TotalNumberOfCompositions, 5323 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1699; [L834] FCALL, FORK 0 pthread_create(&t1699, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L835] 0 pthread_t t1700; [L836] FCALL, FORK 0 pthread_create(&t1700, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L763] 2 y$w_buff1 = y$w_buff0 [L764] 2 y$w_buff0 = 2 [L765] 2 y$w_buff1_used = y$w_buff0_used [L766] 2 y$w_buff0_used = (_Bool)1 [L18] COND TRUE 2 !expression [L17] COND TRUE 2 0 [L768] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L769] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L770] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L771] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L772] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L837] 0 pthread_t t1701; [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 y$flush_delayed = weak$$choice2 [L778] 2 y$mem_tmp = y [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L779] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L779] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L780] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L780] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L781] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L781] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L781] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1 [L781] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L781] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L781] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L782] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L782] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L783] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L783] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L784] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L784] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L784] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L785] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EAX = y [L787] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L787] 2 y = y$flush_delayed ? y$mem_tmp : y [L788] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L791] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L838] FCALL, FORK 0 pthread_create(&t1701, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L808] 3 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L812] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L813] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L814] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L815] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L743] 1 __unbuffered_p0_EAX = x VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L746] 1 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=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=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L749] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L750] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L751] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L752] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L753] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L794] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L794] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L795] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L795] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L796] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L796] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L797] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L797] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L798] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L798] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L801] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L803] 2 return 0; [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L851] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L852] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L853] 0 y$flush_delayed = weak$$choice2 [L854] 0 y$mem_tmp = y [L855] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L855] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L856] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L856] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L857] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L857] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L858] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L858] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L858] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L858] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L859] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L859] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L860] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L860] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L860] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L860] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L861] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L861] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L863] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L863] 0 y = y$flush_delayed ? y$mem_tmp : y [L864] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "rfi006_tso.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 100 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.3s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.0s, HoareTripleCheckerStatistics: 154 SDtfs, 163 SDslu, 216 SDs, 0 SdLazy, 103 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=782occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...