./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix022_rmo.opt.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/mix022_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 862febb0e983bba59b839890f7c511a87a9f08b5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:53:53,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 02:53:53,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 02:53:53,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 02:53:53,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 02:53:53,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 02:53:53,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 02:53:53,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 02:53:53,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 02:53:53,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 02:53:53,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 02:53:53,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 02:53:53,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 02:53:53,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 02:53:53,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 02:53:53,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 02:53:53,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 02:53:53,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 02:53:53,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 02:53:53,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 02:53:53,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 02:53:53,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 02:53:53,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 02:53:53,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 02:53:53,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 02:53:53,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 02:53:53,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 02:53:53,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 02:53:53,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 02:53:53,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 02:53:53,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 02:53:53,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 02:53:53,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 02:53:53,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 02:53:53,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 02:53:53,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 02:53:53,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 02:53:53,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 02:53:53,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 02:53:53,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 02:53:53,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 02:53:53,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 02:53:53,316 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 02:53:53,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 02:53:53,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 02:53:53,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 02:53:53,318 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 02:53:53,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 02:53:53,318 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 02:53:53,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 02:53:53,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 02:53:53,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 02:53:53,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 02:53:53,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 02:53:53,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 02:53:53,325 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 02:53:53,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 02:53:53,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 02:53:53,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 02:53:53,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 02:53:53,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 02:53:53,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 02:53:53,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 02:53:53,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 02:53:53,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 02:53:53,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 02:53:53,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 02:53:53,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 02:53:53,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 02:53:53,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 02:53:53,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 02:53:53,330 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 -> 862febb0e983bba59b839890f7c511a87a9f08b5 [2020-10-20 02:53:53,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 02:53:53,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 02:53:53,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 02:53:53,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 02:53:53,573 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 02:53:53,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix022_rmo.opt.i [2020-10-20 02:53:53,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299514151/6d7689eca1b8473db871c9fb7f7c1fa3/FLAG85dcb74de [2020-10-20 02:53:54,299 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 02:53:54,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix022_rmo.opt.i [2020-10-20 02:53:54,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299514151/6d7689eca1b8473db871c9fb7f7c1fa3/FLAG85dcb74de [2020-10-20 02:53:54,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299514151/6d7689eca1b8473db871c9fb7f7c1fa3 [2020-10-20 02:53:54,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 02:53:54,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 02:53:54,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 02:53:54,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 02:53:54,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 02:53:54,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:53:54" (1/1) ... [2020-10-20 02:53:54,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128d092c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:54, skipping insertion in model container [2020-10-20 02:53:54,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:53:54" (1/1) ... [2020-10-20 02:53:54,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 02:53:54,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 02:53:55,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:53:55,088 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 02:53:55,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:53:55,271 INFO L208 MainTranslator]: Completed translation [2020-10-20 02:53:55,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55 WrapperNode [2020-10-20 02:53:55,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 02:53:55,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 02:53:55,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 02:53:55,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 02:53:55,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (1/1) ... [2020-10-20 02:53:55,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (1/1) ... [2020-10-20 02:53:55,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 02:53:55,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 02:53:55,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 02:53:55,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 02:53:55,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (1/1) ... [2020-10-20 02:53:55,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (1/1) ... [2020-10-20 02:53:55,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (1/1) ... [2020-10-20 02:53:55,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (1/1) ... [2020-10-20 02:53:55,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (1/1) ... [2020-10-20 02:53:55,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (1/1) ... [2020-10-20 02:53:55,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (1/1) ... [2020-10-20 02:53:55,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 02:53:55,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 02:53:55,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 02:53:55,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 02:53:55,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (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 02:53:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 02:53:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-20 02:53:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 02:53:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 02:53:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-20 02:53:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-20 02:53:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-20 02:53:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-20 02:53:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 02:53:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-20 02:53:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 02:53:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 02:53:55,479 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 02:53:57,523 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 02:53:57,523 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-20 02:53:57,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:53:57 BoogieIcfgContainer [2020-10-20 02:53:57,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 02:53:57,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 02:53:57,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 02:53:57,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 02:53:57,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 02:53:54" (1/3) ... [2020-10-20 02:53:57,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a14444e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:53:57, skipping insertion in model container [2020-10-20 02:53:57,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:53:55" (2/3) ... [2020-10-20 02:53:57,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a14444e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:53:57, skipping insertion in model container [2020-10-20 02:53:57,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:53:57" (3/3) ... [2020-10-20 02:53:57,537 INFO L111 eAbstractionObserver]: Analyzing ICFG mix022_rmo.opt.i [2020-10-20 02:53:57,552 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-20 02:53:57,552 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 02:53:57,561 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-20 02:53:57,563 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-20 02:53:57,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,705 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,705 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,705 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,711 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,714 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,716 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,716 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,717 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,721 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,723 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,747 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,758 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,773 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,773 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,773 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,773 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,773 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,774 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,774 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,775 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,776 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,776 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,776 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,776 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,776 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:53:57,779 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-20 02:53:57,797 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-20 02:53:57,818 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 02:53:57,819 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 02:53:57,819 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 02:53:57,819 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 02:53:57,819 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 02:53:57,819 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 02:53:57,820 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 02:53:57,820 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 02:53:57,837 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-20 02:53:57,840 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 86 transitions, 182 flow [2020-10-20 02:53:57,843 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 86 transitions, 182 flow [2020-10-20 02:53:57,845 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 86 transitions, 182 flow [2020-10-20 02:53:57,910 INFO L129 PetriNetUnfolder]: 3/84 cut-off events. [2020-10-20 02:53:57,910 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-20 02:53:57,917 INFO L80 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 84 events. 3/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2020-10-20 02:53:57,923 INFO L117 LiptonReduction]: Number of co-enabled transitions 1120 [2020-10-20 02:53:58,225 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 02:53:58,228 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:53:58,232 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:53:58,233 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:53:58,237 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 02:53:58,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:53:58,466 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-20 02:53:58,655 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:58,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:58,662 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 02:53:58,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:53:58,665 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:53:58,665 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:53:58,667 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 02:53:58,668 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:53:58,670 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 02:53:58,670 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:53:58,676 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 02:53:58,677 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:53:58,679 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 02:53:58,683 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:53:58,730 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:53:58,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 02:53:58,733 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-20 02:53:58,733 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:53:58,779 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 02:53:58,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:53:58,781 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:53:58,781 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:53:58,782 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 02:53:58,782 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:53:58,831 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 02:53:58,832 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,202 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-20 02:53:59,555 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-20 02:53:59,697 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-20 02:53:59,705 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:59,706 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,707 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:53:59,708 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,711 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:53:59,712 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:53:59,715 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:59,716 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:53:59,737 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:59,738 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,739 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:53:59,739 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,742 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:53:59,751 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:53:59,754 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:59,755 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:53:59,860 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:59,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,862 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:53:59,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,865 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:53:59,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:53:59,869 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:59,869 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:53:59,890 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:59,890 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,891 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:53:59,891 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,893 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:53:59,894 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:53:59,895 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:59,896 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:53:59,984 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:59,985 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,986 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:53:59,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:53:59,989 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:53:59,990 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:53:59,992 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:53:59,993 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:00,009 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:00,009 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:00,010 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:00,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:00,013 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:00,013 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:00,015 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:00,016 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:00,145 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 02:54:00,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:00,194 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-20 02:54:00,195 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:00,459 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:00,459 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:00,460 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:00,460 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:00,461 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:00,462 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:00,463 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:00,463 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:00,488 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:00,488 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:00,489 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:00,489 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:00,491 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:00,491 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:00,493 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:00,493 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:00,832 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-20 02:54:00,947 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 02:54:00,948 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:54:00,949 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-20 02:54:00,949 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:54:00,950 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-20 02:54:00,950 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:54:01,157 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:54:01,157 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 02:54:01,159 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-20 02:54:01,160 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:54:01,198 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,199 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:01,200 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 02:54:01,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:54:01,202 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-20 02:54:01,202 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:54:01,203 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-20 02:54:01,204 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 02:54:01,206 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-20 02:54:01,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:54:01,208 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 02:54:01,208 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:54:01,210 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 02:54:01,210 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 02:54:01,238 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:01,239 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:01,241 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:01,243 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:01,243 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:01,258 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,258 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:01,259 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,259 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:01,260 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,261 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:01,262 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:01,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:01,425 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:01,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:01,426 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,427 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:01,429 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,430 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:01,431 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:01,432 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:01,449 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:01,450 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:01,451 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,451 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 02:54:01,453 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-20 02:54:01,453 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:01,459 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-20 02:54:01,459 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 02:54:01,823 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-10-20 02:54:02,002 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-20 02:54:02,014 INFO L132 LiptonReduction]: Checked pairs total: 2997 [2020-10-20 02:54:02,014 INFO L134 LiptonReduction]: Total number of compositions: 81 [2020-10-20 02:54:02,021 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 22 transitions, 54 flow [2020-10-20 02:54:02,042 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 230 states. [2020-10-20 02:54:02,044 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states. [2020-10-20 02:54:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-20 02:54:02,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:54:02,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-20 02:54:02,052 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:54:02,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:54:02,058 INFO L82 PathProgramCache]: Analyzing trace with hash 952753, now seen corresponding path program 1 times [2020-10-20 02:54:02,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:54:02,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612860432] [2020-10-20 02:54:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:54:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:54:02,285 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 02:54:02,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612860432] [2020-10-20 02:54:02,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:54:02,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 02:54:02,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127804559] [2020-10-20 02:54:02,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 02:54:02,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:54:02,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 02:54:02,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 02:54:02,313 INFO L87 Difference]: Start difference. First operand 230 states. Second operand 3 states. [2020-10-20 02:54:02,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:54:02,383 INFO L93 Difference]: Finished difference Result 192 states and 464 transitions. [2020-10-20 02:54:02,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 02:54:02,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-20 02:54:02,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:54:02,399 INFO L225 Difference]: With dead ends: 192 [2020-10-20 02:54:02,399 INFO L226 Difference]: Without dead ends: 162 [2020-10-20 02:54:02,401 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 02:54:02,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-20 02:54:02,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-10-20 02:54:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-20 02:54:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 385 transitions. [2020-10-20 02:54:02,456 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 385 transitions. Word has length 3 [2020-10-20 02:54:02,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:54:02,457 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 385 transitions. [2020-10-20 02:54:02,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 02:54:02,458 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 385 transitions. [2020-10-20 02:54:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-20 02:54:02,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:54:02,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:54:02,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 02:54:02,460 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:54:02,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:54:02,460 INFO L82 PathProgramCache]: Analyzing trace with hash 758715386, now seen corresponding path program 1 times [2020-10-20 02:54:02,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:54:02,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393063179] [2020-10-20 02:54:02,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:54:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:54:02,592 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 02:54:02,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393063179] [2020-10-20 02:54:02,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:54:02,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 02:54:02,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921001401] [2020-10-20 02:54:02,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 02:54:02,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:54:02,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 02:54:02,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 02:54:02,597 INFO L87 Difference]: Start difference. First operand 162 states and 385 transitions. Second operand 4 states. [2020-10-20 02:54:02,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:54:02,642 INFO L93 Difference]: Finished difference Result 172 states and 388 transitions. [2020-10-20 02:54:02,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 02:54:02,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-20 02:54:02,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:54:02,645 INFO L225 Difference]: With dead ends: 172 [2020-10-20 02:54:02,645 INFO L226 Difference]: Without dead ends: 142 [2020-10-20 02:54:02,646 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 02:54:02,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-20 02:54:02,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-10-20 02:54:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-20 02:54:02,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 329 transitions. [2020-10-20 02:54:02,667 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 329 transitions. Word has length 8 [2020-10-20 02:54:02,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:54:02,667 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 329 transitions. [2020-10-20 02:54:02,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 02:54:02,667 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 329 transitions. [2020-10-20 02:54:02,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 02:54:02,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:54:02,669 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:54:02,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 02:54:02,669 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:54:02,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:54:02,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1024754525, now seen corresponding path program 1 times [2020-10-20 02:54:02,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:54:02,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704705083] [2020-10-20 02:54:02,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:54:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:54:02,781 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 02:54:02,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704705083] [2020-10-20 02:54:02,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:54:02,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 02:54:02,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829093994] [2020-10-20 02:54:02,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 02:54:02,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:54:02,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 02:54:02,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 02:54:02,783 INFO L87 Difference]: Start difference. First operand 142 states and 329 transitions. Second operand 4 states. [2020-10-20 02:54:02,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:54:02,808 INFO L93 Difference]: Finished difference Result 108 states and 206 transitions. [2020-10-20 02:54:02,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 02:54:02,809 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-20 02:54:02,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:54:02,810 INFO L225 Difference]: With dead ends: 108 [2020-10-20 02:54:02,810 INFO L226 Difference]: Without dead ends: 78 [2020-10-20 02:54:02,810 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 02:54:02,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-20 02:54:02,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-20 02:54:02,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-20 02:54:02,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 137 transitions. [2020-10-20 02:54:02,818 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 137 transitions. Word has length 10 [2020-10-20 02:54:02,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:54:02,818 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 137 transitions. [2020-10-20 02:54:02,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 02:54:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 137 transitions. [2020-10-20 02:54:02,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 02:54:02,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:54:02,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:54:02,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 02:54:02,820 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:54:02,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:54:02,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1578722676, now seen corresponding path program 1 times [2020-10-20 02:54:02,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:54:02,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383268993] [2020-10-20 02:54:02,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:54:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:54:03,116 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 02:54:03,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383268993] [2020-10-20 02:54:03,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:54:03,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 02:54:03,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725326257] [2020-10-20 02:54:03,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 02:54:03,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:54:03,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 02:54:03,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 02:54:03,119 INFO L87 Difference]: Start difference. First operand 78 states and 137 transitions. Second operand 5 states. [2020-10-20 02:54:03,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:54:03,170 INFO L93 Difference]: Finished difference Result 56 states and 91 transitions. [2020-10-20 02:54:03,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 02:54:03,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-20 02:54:03,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:54:03,171 INFO L225 Difference]: With dead ends: 56 [2020-10-20 02:54:03,171 INFO L226 Difference]: Without dead ends: 46 [2020-10-20 02:54:03,172 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 02:54:03,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-20 02:54:03,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-20 02:54:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-20 02:54:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 73 transitions. [2020-10-20 02:54:03,175 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 73 transitions. Word has length 13 [2020-10-20 02:54:03,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:54:03,176 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 73 transitions. [2020-10-20 02:54:03,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 02:54:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2020-10-20 02:54:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 02:54:03,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:54:03,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:54:03,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 02:54:03,189 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:54:03,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:54:03,190 INFO L82 PathProgramCache]: Analyzing trace with hash -578295247, now seen corresponding path program 1 times [2020-10-20 02:54:03,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:54:03,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811421677] [2020-10-20 02:54:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:54:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:54:03,400 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 02:54:03,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811421677] [2020-10-20 02:54:03,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:54:03,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 02:54:03,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939268680] [2020-10-20 02:54:03,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 02:54:03,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:54:03,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 02:54:03,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 02:54:03,403 INFO L87 Difference]: Start difference. First operand 46 states and 73 transitions. Second operand 6 states. [2020-10-20 02:54:03,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:54:03,535 INFO L93 Difference]: Finished difference Result 68 states and 102 transitions. [2020-10-20 02:54:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 02:54:03,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-20 02:54:03,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:54:03,536 INFO L225 Difference]: With dead ends: 68 [2020-10-20 02:54:03,537 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 02:54:03,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-20 02:54:03,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 02:54:03,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 36. [2020-10-20 02:54:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-20 02:54:03,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 53 transitions. [2020-10-20 02:54:03,540 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 53 transitions. Word has length 17 [2020-10-20 02:54:03,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:54:03,541 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 53 transitions. [2020-10-20 02:54:03,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 02:54:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2020-10-20 02:54:03,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 02:54:03,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:54:03,542 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:54:03,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 02:54:03,542 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:54:03,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:54:03,543 INFO L82 PathProgramCache]: Analyzing trace with hash -989081615, now seen corresponding path program 2 times [2020-10-20 02:54:03,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:54:03,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325128512] [2020-10-20 02:54:03,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:54:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:54:03,609 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:54:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:54:03,675 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:54:03,710 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 02:54:03,710 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 02:54:03,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 02:54:03,739 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 02:54:03,739 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [737] [2020-10-20 02:54:03,741 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 02:54:03,741 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,742 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 02:54:03,742 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,742 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 02:54:03,742 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,742 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 02:54:03,742 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,743 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 02:54:03,743 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,743 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 02:54:03,743 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,743 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 02:54:03,743 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,744 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 02:54:03,744 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,744 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 02:54:03,744 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,744 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 02:54:03,744 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,745 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 02:54:03,745 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,745 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 02:54:03,745 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,745 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 02:54:03,745 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,746 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 02:54:03,746 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,746 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 02:54:03,746 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,746 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 02:54:03,746 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,747 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 02:54:03,747 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,747 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 02:54:03,747 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,748 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 02:54:03,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,748 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 02:54:03,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,748 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 02:54:03,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,748 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 02:54:03,749 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,749 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 02:54:03,749 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,749 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 02:54:03,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,750 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 02:54:03,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,750 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 02:54:03,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,750 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 02:54:03,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,751 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 02:54:03,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 02:54:03 BasicIcfg [2020-10-20 02:54:03,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 02:54:03,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 02:54:03,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 02:54:03,802 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 02:54:03,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:53:57" (3/4) ... [2020-10-20 02:54:03,805 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 02:54:03,813 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 02:54:03,813 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [737] [2020-10-20 02:54:03,814 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 02:54:03,814 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,814 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 02:54:03,814 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,815 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 02:54:03,815 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,815 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 02:54:03,815 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,815 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 02:54:03,815 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,815 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 02:54:03,815 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,816 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 02:54:03,816 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,816 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 02:54:03,816 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,816 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 02:54:03,816 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,816 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 02:54:03,816 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,817 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 02:54:03,817 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,817 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 02:54:03,817 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,817 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 02:54:03,817 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,817 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 02:54:03,818 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,818 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 02:54:03,818 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,818 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 02:54:03,818 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,818 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 02:54:03,818 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,818 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 02:54:03,819 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,819 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 02:54:03,819 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,819 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 02:54:03,819 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,819 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 02:54:03,820 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,820 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 02:54:03,820 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,820 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 02:54:03,820 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,820 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 02:54:03,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,821 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 02:54:03,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,821 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 02:54:03,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,821 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 02:54:03,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,821 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 02:54:03,822 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-20 02:54:03,941 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 02:54:03,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 02:54:03,943 INFO L168 Benchmark]: Toolchain (without parser) took 9424.06 ms. Allocated memory was 36.2 MB in the beginning and 107.5 MB in the end (delta: 71.3 MB). Free memory was 18.0 MB in the beginning and 59.2 MB in the end (delta: -41.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 14.3 GB. [2020-10-20 02:54:03,943 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 33.6 MB. Free memory was 11.9 MB in the beginning and 11.8 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 02:54:03,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.58 ms. Allocated memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: 9.4 MB). Free memory was 17.1 MB in the beginning and 14.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. [2020-10-20 02:54:03,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.04 ms. Allocated memory is still 45.6 MB. Free memory was 14.3 MB in the beginning and 11.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 02:54:03,944 INFO L168 Benchmark]: Boogie Preprocessor took 62.12 ms. Allocated memory was 45.6 MB in the beginning and 46.1 MB in the end (delta: 524.3 kB). Free memory was 11.7 MB in the beginning and 27.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 02:54:03,945 INFO L168 Benchmark]: RCFGBuilder took 2131.48 ms. Allocated memory was 46.1 MB in the beginning and 61.9 MB in the end (delta: 15.7 MB). Free memory was 27.1 MB in the beginning and 14.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 14.3 GB. [2020-10-20 02:54:03,945 INFO L168 Benchmark]: TraceAbstraction took 6273.21 ms. Allocated memory was 61.9 MB in the beginning and 107.5 MB in the end (delta: 45.6 MB). Free memory was 14.1 MB in the beginning and 76.0 MB in the end (delta: -61.9 MB). Peak memory consumption was 48.7 MB. Max. memory is 14.3 GB. [2020-10-20 02:54:03,945 INFO L168 Benchmark]: Witness Printer took 139.68 ms. Allocated memory is still 107.5 MB. Free memory was 76.0 MB in the beginning and 59.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 14.3 GB. [2020-10-20 02:54:03,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 33.6 MB. Free memory was 11.9 MB in the beginning and 11.8 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 746.58 ms. Allocated memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: 9.4 MB). Free memory was 17.1 MB in the beginning and 14.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 60.04 ms. Allocated memory is still 45.6 MB. Free memory was 14.3 MB in the beginning and 11.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 62.12 ms. Allocated memory was 45.6 MB in the beginning and 46.1 MB in the end (delta: 524.3 kB). Free memory was 11.7 MB in the beginning and 27.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2131.48 ms. Allocated memory was 46.1 MB in the beginning and 61.9 MB in the end (delta: 15.7 MB). Free memory was 27.1 MB in the beginning and 14.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 6273.21 ms. Allocated memory was 61.9 MB in the beginning and 107.5 MB in the end (delta: 45.6 MB). Free memory was 14.1 MB in the beginning and 76.0 MB in the end (delta: -61.9 MB). Peak memory consumption was 48.7 MB. Max. memory is 14.3 GB. * Witness Printer took 139.68 ms. Allocated memory is still 107.5 MB. Free memory was 76.0 MB in the beginning and 59.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 782 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 11 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.1s, 90 PlacesBefore, 28 PlacesAfterwards, 86 TransitionsBefore, 22 TransitionsAfterwards, 1120 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 81 TotalNumberOfCompositions, 2997 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t595; [L811] FCALL, FORK 0 pthread_create(&t595, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L738] 1 y$w_buff1 = y$w_buff0 [L739] 1 y$w_buff0 = 1 [L740] 1 y$w_buff1_used = y$w_buff0_used [L741] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L744] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L745] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L746] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L812] 0 pthread_t t596; [L813] FCALL, FORK 0 pthread_create(&t596, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=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=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L766] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L769] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] EXPR 2 weak$$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$w_buff0)) [L777] EXPR 2 !y$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) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] 2 y$w_buff0 = weak$$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)) [L778] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L778] 2 y$w_buff1 = weak$$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)) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] 2 y$w_buff0_used = weak$$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)) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$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)) [L781] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !y$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L782] EXPR 2 !y$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) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EBX = y [L784] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L752] 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) [L752] 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) [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L753] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L754] 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 [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L755] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L756] 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 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; [L788] 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) [L788] 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) [L789] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L789] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L790] 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 [L791] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L791] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L792] 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 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L819] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L820] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L820] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L821] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L822] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L823] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L823] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L826] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix022_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 109 SDtfs, 85 SDslu, 194 SDs, 0 SdLazy, 95 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 3366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...