./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe013_tso.opt.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe013_tso.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8128188786fa6a212056324c764f83224b91670c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 21:34:29,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:34:29,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:34:29,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:34:29,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:34:29,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:34:29,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:34:29,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:34:29,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:34:29,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:34:29,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:34:29,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:34:29,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:34:29,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:34:29,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:34:29,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:34:29,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:34:29,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:34:29,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:34:29,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:34:29,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:34:29,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:34:29,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:34:29,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:34:29,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:34:29,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:34:29,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:34:29,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:34:29,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:34:29,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:34:29,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:34:29,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:34:29,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:34:29,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:34:29,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:34:29,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:34:29,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:34:29,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:34:29,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:34:29,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:34:29,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:34:29,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:34:29,322 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:34:29,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:34:29,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:34:29,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:34:29,329 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:34:29,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:34:29,330 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:34:29,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:34:29,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:34:29,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:34:29,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:34:29,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:34:29,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:34:29,334 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:34:29,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:34:29,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:34:29,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:34:29,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:34:29,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:34:29,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:34:29,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:34:29,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:34:29,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:34:29,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:34:29,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:34:29,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:34:29,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:34:29,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:34:29,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:34:29,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8128188786fa6a212056324c764f83224b91670c [2020-07-28 21:34:29,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:34:29,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:34:29,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:34:29,739 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:34:29,740 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:34:29,740 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe013_tso.opt.i [2020-07-28 21:34:29,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ba10a9d/400a5dda11524152b434149d49a6e8a9/FLAG753b6a72c [2020-07-28 21:34:30,296 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:34:30,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe013_tso.opt.i [2020-07-28 21:34:30,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ba10a9d/400a5dda11524152b434149d49a6e8a9/FLAG753b6a72c [2020-07-28 21:34:30,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ba10a9d/400a5dda11524152b434149d49a6e8a9 [2020-07-28 21:34:30,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:34:30,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:34:30,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:34:30,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:34:30,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:34:30,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:34:30" (1/1) ... [2020-07-28 21:34:30,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdd5219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:30, skipping insertion in model container [2020-07-28 21:34:30,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:34:30" (1/1) ... [2020-07-28 21:34:30,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:34:30,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:34:31,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:34:31,252 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:34:31,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:34:31,440 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:34:31,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31 WrapperNode [2020-07-28 21:34:31,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:34:31,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:34:31,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:34:31,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:34:31,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (1/1) ... [2020-07-28 21:34:31,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (1/1) ... [2020-07-28 21:34:31,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:34:31,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:34:31,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:34:31,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:34:31,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (1/1) ... [2020-07-28 21:34:31,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (1/1) ... [2020-07-28 21:34:31,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (1/1) ... [2020-07-28 21:34:31,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (1/1) ... [2020-07-28 21:34:31,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (1/1) ... [2020-07-28 21:34:31,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (1/1) ... [2020-07-28 21:34:31,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (1/1) ... [2020-07-28 21:34:31,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:34:31,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:34:31,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:34:31,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:34:31,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:34:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:34:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:34:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:34:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:34:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:34:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:34:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:34:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:34:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:34:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:34:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:34:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:34:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:34:31,594 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-28 21:34:32,027 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:34:32,028 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:34:32,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:34:32 BoogieIcfgContainer [2020-07-28 21:34:32,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:34:32,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:34:32,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:34:32,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:34:32,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:34:30" (1/3) ... [2020-07-28 21:34:32,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f5ed6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:34:32, skipping insertion in model container [2020-07-28 21:34:32,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:31" (2/3) ... [2020-07-28 21:34:32,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f5ed6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:34:32, skipping insertion in model container [2020-07-28 21:34:32,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:34:32" (3/3) ... [2020-07-28 21:34:32,041 INFO L109 eAbstractionObserver]: Analyzing ICFG safe013_tso.opt.i [2020-07-28 21:34:32,052 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:34:32,052 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:34:32,060 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:34:32,060 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:34:32,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,092 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,093 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,095 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,095 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,096 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,098 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,098 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,103 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,103 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,110 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,111 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,115 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,115 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,115 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,116 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:32,132 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:34:32,154 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:34:32,154 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:34:32,154 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:34:32,155 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:34:32,155 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:34:32,155 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:34:32,155 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:34:32,156 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:34:32,172 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-07-28 21:34:32,174 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:34:32,218 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:34:32,219 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:34:32,224 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:34:32,227 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:34:32,249 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:34:32,250 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:34:32,251 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:34:32,253 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:34:32,255 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:34:34,680 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2190 [2020-07-28 21:34:34,680 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2020-07-28 21:34:34,684 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 57 flow [2020-07-28 21:34:34,725 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-07-28 21:34:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-07-28 21:34:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:34:34,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:34,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:34,759 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:34,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:34,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1620259193, now seen corresponding path program 1 times [2020-07-28 21:34:34,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:34,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040806247] [2020-07-28 21:34:34,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:35,039 INFO L280 TraceCheckUtils]: 0: Hoare triple {677#true} [228] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_63| 0 0))) (and (= 0 |v_#NULL.base_5|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2094~0.base_25|) (= |v_#valid_61| (store .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25| 1)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25|) 0) (= 0 |v_ULTIMATE.start_main_~#t2094~0.offset_18|) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t2094~0.base_25| 4) |v_#length_21|) (= 0 v_~main$tmp_guard0~0_30) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_22) (= 0 v_~z~0_57) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 v_~__unbuffered_cnt~0_98) (= 0 v_~y~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25|) |v_ULTIMATE.start_main_~#t2094~0.offset_18| 0)) |v_#memory_int_17|) (= 0 v_~__unbuffered_p2_EAX~0_49) (= 0 v_~main$tmp_guard1~0_40) (< 0 |v_#StackHeapBarrier_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ULTIMATE.start_main_~#t2094~0.base=|v_ULTIMATE.start_main_~#t2094~0.base_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_18|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_23|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2094~0.offset=|v_ULTIMATE.start_main_~#t2094~0.offset_18|, ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_17|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_20|, #valid=|v_#valid_61|, #memory_int=|v_#memory_int_17|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_49, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~z~0=v_~z~0_57, ~y~0=v_~y~0_23, ~x~0=v_~x~0_22} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2094~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2096~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2094~0.offset, ULTIMATE.start_main_~#t2095~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2096~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {679#(= 0 ~z~0)} is VALID [2020-07-28 21:34:35,040 INFO L280 TraceCheckUtils]: 1: Hoare triple {679#(= 0 ~z~0)} [165] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {679#(= 0 ~z~0)} is VALID [2020-07-28 21:34:35,041 INFO L280 TraceCheckUtils]: 2: Hoare triple {679#(= 0 ~z~0)} [209] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10|) |v_ULTIMATE.start_main_~#t2095~0.offset_9| 1)) |v_#memory_int_11|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10| 1)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2095~0.base_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2095~0.base_10| 4)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10|)) (= |v_ULTIMATE.start_main_~#t2095~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t2095~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2095~0.base, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {679#(= 0 ~z~0)} is VALID [2020-07-28 21:34:35,042 INFO L280 TraceCheckUtils]: 3: Hoare triple {679#(= 0 ~z~0)} [167] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {679#(= 0 ~z~0)} is VALID [2020-07-28 21:34:35,043 INFO L280 TraceCheckUtils]: 4: Hoare triple {679#(= 0 ~z~0)} [210] L772-1-->L774: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11|) |v_ULTIMATE.start_main_~#t2096~0.offset_10| 2)) |v_#memory_int_13|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11| 1) |v_#valid_35|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2096~0.base_11|) (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11|)) (not (= |v_ULTIMATE.start_main_~#t2096~0.base_11| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2096~0.base_11| 4)) (= |v_ULTIMATE.start_main_~#t2096~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_10|, #valid=|v_#valid_35|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2096~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2096~0.base, #length] {679#(= 0 ~z~0)} is VALID [2020-07-28 21:34:35,044 INFO L280 TraceCheckUtils]: 5: Hoare triple {679#(= 0 ~z~0)} [169] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {679#(= 0 ~z~0)} is VALID [2020-07-28 21:34:35,045 INFO L280 TraceCheckUtils]: 6: Hoare triple {679#(= 0 ~z~0)} [197] L774-1-->L778: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_53))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_14)) (and (= 1 v_~main$tmp_guard0~0_14) .cse0))) (= (mod v_~main$tmp_guard0~0_14 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_14} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {679#(= 0 ~z~0)} is VALID [2020-07-28 21:34:35,046 INFO L280 TraceCheckUtils]: 7: Hoare triple {679#(= 0 ~z~0)} [221] L778-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_~main$tmp_guard1~0_27) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_14| (mod v_~main$tmp_guard1~0_27 256)) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_20) (= 1 v_~__unbuffered_p2_EAX~0_37) (= v_ULTIMATE.start_assume_abort_if_not_~cond_18 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~z~0_41) (= 0 v_~__unbuffered_p0_EAX~0_33) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_18))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_20, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_18, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_14|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {678#false} is VALID [2020-07-28 21:34:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:34:35,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040806247] [2020-07-28 21:34:35,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:35,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:34:35,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052860042] [2020-07-28 21:34:35,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:34:35,060 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:35,064 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:34:35,087 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:35,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:34:35,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:35,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:34:35,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:34:35,101 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-07-28 21:34:35,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:35,237 INFO L93 Difference]: Finished difference Result 290 states and 834 transitions. [2020-07-28 21:34:35,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:34:35,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:34:35,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:35,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:35,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2020-07-28 21:34:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:35,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2020-07-28 21:34:35,247 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 31 transitions. [2020-07-28 21:34:35,300 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:35,327 INFO L225 Difference]: With dead ends: 290 [2020-07-28 21:34:35,327 INFO L226 Difference]: Without dead ends: 226 [2020-07-28 21:34:35,329 INFO L675 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 [2020-07-28 21:34:35,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-28 21:34:35,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-07-28 21:34:35,435 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:35,436 INFO L82 GeneralOperation]: Start isEquivalent. First operand 226 states. Second operand 226 states. [2020-07-28 21:34:35,436 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 226 states. [2020-07-28 21:34:35,437 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 226 states. [2020-07-28 21:34:35,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:35,459 INFO L93 Difference]: Finished difference Result 226 states and 626 transitions. [2020-07-28 21:34:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-07-28 21:34:35,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:35,462 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:35,462 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 226 states. [2020-07-28 21:34:35,463 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 226 states. [2020-07-28 21:34:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:35,483 INFO L93 Difference]: Finished difference Result 226 states and 626 transitions. [2020-07-28 21:34:35,483 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-07-28 21:34:35,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:35,486 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:35,486 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:35,487 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-28 21:34:35,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 626 transitions. [2020-07-28 21:34:35,508 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 626 transitions. Word has length 8 [2020-07-28 21:34:35,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:35,508 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 626 transitions. [2020-07-28 21:34:35,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:34:35,509 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-07-28 21:34:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:34:35,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:35,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:35,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:34:35,510 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:35,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:35,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1042338189, now seen corresponding path program 1 times [2020-07-28 21:34:35,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:35,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61005379] [2020-07-28 21:34:35,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:35,629 INFO L280 TraceCheckUtils]: 0: Hoare triple {1876#true} [228] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_63| 0 0))) (and (= 0 |v_#NULL.base_5|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2094~0.base_25|) (= |v_#valid_61| (store .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25| 1)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25|) 0) (= 0 |v_ULTIMATE.start_main_~#t2094~0.offset_18|) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t2094~0.base_25| 4) |v_#length_21|) (= 0 v_~main$tmp_guard0~0_30) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_22) (= 0 v_~z~0_57) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 v_~__unbuffered_cnt~0_98) (= 0 v_~y~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25|) |v_ULTIMATE.start_main_~#t2094~0.offset_18| 0)) |v_#memory_int_17|) (= 0 v_~__unbuffered_p2_EAX~0_49) (= 0 v_~main$tmp_guard1~0_40) (< 0 |v_#StackHeapBarrier_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ULTIMATE.start_main_~#t2094~0.base=|v_ULTIMATE.start_main_~#t2094~0.base_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_18|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_23|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2094~0.offset=|v_ULTIMATE.start_main_~#t2094~0.offset_18|, ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_17|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_20|, #valid=|v_#valid_61|, #memory_int=|v_#memory_int_17|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_49, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~z~0=v_~z~0_57, ~y~0=v_~y~0_23, ~x~0=v_~x~0_22} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2094~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2096~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2094~0.offset, ULTIMATE.start_main_~#t2095~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2096~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {1878#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:34:35,630 INFO L280 TraceCheckUtils]: 1: Hoare triple {1878#(<= ~__unbuffered_p2_EAX~0 0)} [165] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {1878#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:34:35,631 INFO L280 TraceCheckUtils]: 2: Hoare triple {1878#(<= ~__unbuffered_p2_EAX~0 0)} [176] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {1878#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:34:35,632 INFO L280 TraceCheckUtils]: 3: Hoare triple {1878#(<= ~__unbuffered_p2_EAX~0 0)} [209] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10|) |v_ULTIMATE.start_main_~#t2095~0.offset_9| 1)) |v_#memory_int_11|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10| 1)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2095~0.base_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2095~0.base_10| 4)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10|)) (= |v_ULTIMATE.start_main_~#t2095~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t2095~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2095~0.base, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {1878#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:34:35,633 INFO L280 TraceCheckUtils]: 4: Hoare triple {1878#(<= ~__unbuffered_p2_EAX~0 0)} [167] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {1878#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:34:35,634 INFO L280 TraceCheckUtils]: 5: Hoare triple {1878#(<= ~__unbuffered_p2_EAX~0 0)} [210] L772-1-->L774: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11|) |v_ULTIMATE.start_main_~#t2096~0.offset_10| 2)) |v_#memory_int_13|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11| 1) |v_#valid_35|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2096~0.base_11|) (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11|)) (not (= |v_ULTIMATE.start_main_~#t2096~0.base_11| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2096~0.base_11| 4)) (= |v_ULTIMATE.start_main_~#t2096~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_10|, #valid=|v_#valid_35|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2096~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2096~0.base, #length] {1878#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:34:35,635 INFO L280 TraceCheckUtils]: 6: Hoare triple {1878#(<= ~__unbuffered_p2_EAX~0 0)} [169] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {1878#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:34:35,635 INFO L280 TraceCheckUtils]: 7: Hoare triple {1878#(<= ~__unbuffered_p2_EAX~0 0)} [197] L774-1-->L778: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_53))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_14)) (and (= 1 v_~main$tmp_guard0~0_14) .cse0))) (= (mod v_~main$tmp_guard0~0_14 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_14} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {1878#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:34:35,637 INFO L280 TraceCheckUtils]: 8: Hoare triple {1878#(<= ~__unbuffered_p2_EAX~0 0)} [221] L778-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_~main$tmp_guard1~0_27) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_14| (mod v_~main$tmp_guard1~0_27 256)) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_20) (= 1 v_~__unbuffered_p2_EAX~0_37) (= v_ULTIMATE.start_assume_abort_if_not_~cond_18 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~z~0_41) (= 0 v_~__unbuffered_p0_EAX~0_33) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_18))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_20, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_18, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_14|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {1877#false} is VALID [2020-07-28 21:34:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:34:35,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61005379] [2020-07-28 21:34:35,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:35,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:34:35,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822402987] [2020-07-28 21:34:35,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:34:35,640 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:35,640 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:34:35,654 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:35,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:34:35,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:35,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:34:35,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:34:35,655 INFO L87 Difference]: Start difference. First operand 226 states and 626 transitions. Second operand 3 states. [2020-07-28 21:34:35,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:35,702 INFO L93 Difference]: Finished difference Result 214 states and 585 transitions. [2020-07-28 21:34:35,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:34:35,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:34:35,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:35,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2020-07-28 21:34:35,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2020-07-28 21:34:35,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 25 transitions. [2020-07-28 21:34:35,735 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:35,750 INFO L225 Difference]: With dead ends: 214 [2020-07-28 21:34:35,750 INFO L226 Difference]: Without dead ends: 214 [2020-07-28 21:34:35,751 INFO L675 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 [2020-07-28 21:34:35,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-07-28 21:34:35,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,770 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,770 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,770 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,771 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,771 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,771 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,777 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,777 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,777 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,784 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,784 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,784 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:35,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2020-07-28 21:34:35,821 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:35,821 INFO L82 GeneralOperation]: Start isEquivalent. First operand 214 states. Second operand 214 states. [2020-07-28 21:34:35,821 INFO L74 IsIncluded]: Start isIncluded. First operand 214 states. Second operand 214 states. [2020-07-28 21:34:35,821 INFO L87 Difference]: Start difference. First operand 214 states. Second operand 214 states. [2020-07-28 21:34:35,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:35,834 INFO L93 Difference]: Finished difference Result 214 states and 585 transitions. [2020-07-28 21:34:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 585 transitions. [2020-07-28 21:34:35,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:35,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:35,835 INFO L74 IsIncluded]: Start isIncluded. First operand 214 states. Second operand 214 states. [2020-07-28 21:34:35,836 INFO L87 Difference]: Start difference. First operand 214 states. Second operand 214 states. [2020-07-28 21:34:35,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:35,849 INFO L93 Difference]: Finished difference Result 214 states and 585 transitions. [2020-07-28 21:34:35,849 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 585 transitions. [2020-07-28 21:34:35,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:35,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:35,850 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:35,850 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-07-28 21:34:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 585 transitions. [2020-07-28 21:34:35,862 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 585 transitions. Word has length 9 [2020-07-28 21:34:35,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:35,863 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 585 transitions. [2020-07-28 21:34:35,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:34:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 585 transitions. [2020-07-28 21:34:35,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:34:35,863 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:35,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:35,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:34:35,864 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:35,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:35,864 INFO L82 PathProgramCache]: Analyzing trace with hash 2047253273, now seen corresponding path program 1 times [2020-07-28 21:34:35,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:35,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600438983] [2020-07-28 21:34:35,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:35,959 INFO L280 TraceCheckUtils]: 0: Hoare triple {2951#true} [228] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_63| 0 0))) (and (= 0 |v_#NULL.base_5|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2094~0.base_25|) (= |v_#valid_61| (store .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25| 1)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25|) 0) (= 0 |v_ULTIMATE.start_main_~#t2094~0.offset_18|) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t2094~0.base_25| 4) |v_#length_21|) (= 0 v_~main$tmp_guard0~0_30) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_22) (= 0 v_~z~0_57) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 v_~__unbuffered_cnt~0_98) (= 0 v_~y~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25|) |v_ULTIMATE.start_main_~#t2094~0.offset_18| 0)) |v_#memory_int_17|) (= 0 v_~__unbuffered_p2_EAX~0_49) (= 0 v_~main$tmp_guard1~0_40) (< 0 |v_#StackHeapBarrier_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ULTIMATE.start_main_~#t2094~0.base=|v_ULTIMATE.start_main_~#t2094~0.base_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_18|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_23|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2094~0.offset=|v_ULTIMATE.start_main_~#t2094~0.offset_18|, ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_17|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_20|, #valid=|v_#valid_61|, #memory_int=|v_#memory_int_17|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_49, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~z~0=v_~z~0_57, ~y~0=v_~y~0_23, ~x~0=v_~x~0_22} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2094~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2096~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2094~0.offset, ULTIMATE.start_main_~#t2095~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2096~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {2953#(= 0 ~y~0)} is VALID [2020-07-28 21:34:35,959 INFO L280 TraceCheckUtils]: 1: Hoare triple {2953#(= 0 ~y~0)} [165] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2953#(= 0 ~y~0)} is VALID [2020-07-28 21:34:35,960 INFO L280 TraceCheckUtils]: 2: Hoare triple {2953#(= 0 ~y~0)} [176] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2953#(= 0 ~y~0)} is VALID [2020-07-28 21:34:35,961 INFO L280 TraceCheckUtils]: 3: Hoare triple {2953#(= 0 ~y~0)} [209] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10|) |v_ULTIMATE.start_main_~#t2095~0.offset_9| 1)) |v_#memory_int_11|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10| 1)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2095~0.base_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2095~0.base_10| 4)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10|)) (= |v_ULTIMATE.start_main_~#t2095~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t2095~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2095~0.base, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {2953#(= 0 ~y~0)} is VALID [2020-07-28 21:34:35,961 INFO L280 TraceCheckUtils]: 4: Hoare triple {2953#(= 0 ~y~0)} [167] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {2953#(= 0 ~y~0)} is VALID [2020-07-28 21:34:35,962 INFO L280 TraceCheckUtils]: 5: Hoare triple {2953#(= 0 ~y~0)} [210] L772-1-->L774: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11|) |v_ULTIMATE.start_main_~#t2096~0.offset_10| 2)) |v_#memory_int_13|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11| 1) |v_#valid_35|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2096~0.base_11|) (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11|)) (not (= |v_ULTIMATE.start_main_~#t2096~0.base_11| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2096~0.base_11| 4)) (= |v_ULTIMATE.start_main_~#t2096~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_10|, #valid=|v_#valid_35|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2096~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2096~0.base, #length] {2953#(= 0 ~y~0)} is VALID [2020-07-28 21:34:35,963 INFO L280 TraceCheckUtils]: 6: Hoare triple {2953#(= 0 ~y~0)} [169] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {2953#(= 0 ~y~0)} is VALID [2020-07-28 21:34:35,963 INFO L280 TraceCheckUtils]: 7: Hoare triple {2953#(= 0 ~y~0)} [197] L774-1-->L778: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_53))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_14)) (and (= 1 v_~main$tmp_guard0~0_14) .cse0))) (= (mod v_~main$tmp_guard0~0_14 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_14} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2953#(= 0 ~y~0)} is VALID [2020-07-28 21:34:35,964 INFO L280 TraceCheckUtils]: 8: Hoare triple {2953#(= 0 ~y~0)} [174] P2ENTRY-->L747: Formula: (and (= v_~__unbuffered_p2_EAX~0_4 v_~y~0_5) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {2954#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:34:35,965 INFO L280 TraceCheckUtils]: 9: Hoare triple {2954#(= 0 ~__unbuffered_p2_EAX~0)} [221] L778-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_~main$tmp_guard1~0_27) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_14| (mod v_~main$tmp_guard1~0_27 256)) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_20) (= 1 v_~__unbuffered_p2_EAX~0_37) (= v_ULTIMATE.start_assume_abort_if_not_~cond_18 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~z~0_41) (= 0 v_~__unbuffered_p0_EAX~0_33) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_18))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_20, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_18, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_14|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2952#false} is VALID [2020-07-28 21:34:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:34:35,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600438983] [2020-07-28 21:34:35,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:35,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:34:35,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846541078] [2020-07-28 21:34:35,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:34:35,968 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:35,968 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:34:35,984 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:35,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:34:35,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:35,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:34:35,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:34:35,985 INFO L87 Difference]: Start difference. First operand 214 states and 585 transitions. Second operand 4 states. [2020-07-28 21:34:36,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:36,074 INFO L93 Difference]: Finished difference Result 240 states and 627 transitions. [2020-07-28 21:34:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:34:36,074 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:34:36,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:36,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:34:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2020-07-28 21:34:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:34:36,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2020-07-28 21:34:36,077 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 35 transitions. [2020-07-28 21:34:36,115 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:36,118 INFO L225 Difference]: With dead ends: 240 [2020-07-28 21:34:36,118 INFO L226 Difference]: Without dead ends: 144 [2020-07-28 21:34:36,119 INFO L675 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 [2020-07-28 21:34:36,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-28 21:34:36,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,159 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,159 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,159 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-28 21:34:36,161 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:36,161 INFO L82 GeneralOperation]: Start isEquivalent. First operand 144 states. Second operand 144 states. [2020-07-28 21:34:36,162 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 144 states. [2020-07-28 21:34:36,162 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 144 states. [2020-07-28 21:34:36,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:36,170 INFO L93 Difference]: Finished difference Result 144 states and 355 transitions. [2020-07-28 21:34:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 355 transitions. [2020-07-28 21:34:36,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:36,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:36,171 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 144 states. [2020-07-28 21:34:36,171 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 144 states. [2020-07-28 21:34:36,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:36,179 INFO L93 Difference]: Finished difference Result 144 states and 355 transitions. [2020-07-28 21:34:36,179 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 355 transitions. [2020-07-28 21:34:36,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:36,180 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:36,180 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:36,181 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-28 21:34:36,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 355 transitions. [2020-07-28 21:34:36,188 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 355 transitions. Word has length 10 [2020-07-28 21:34:36,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:36,189 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 355 transitions. [2020-07-28 21:34:36,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:34:36,189 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 355 transitions. [2020-07-28 21:34:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:34:36,190 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:36,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:36,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:34:36,190 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:36,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:36,191 INFO L82 PathProgramCache]: Analyzing trace with hash 315672505, now seen corresponding path program 1 times [2020-07-28 21:34:36,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:36,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75718393] [2020-07-28 21:34:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:36,290 INFO L280 TraceCheckUtils]: 0: Hoare triple {3775#true} [228] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_63| 0 0))) (and (= 0 |v_#NULL.base_5|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2094~0.base_25|) (= |v_#valid_61| (store .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25| 1)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25|) 0) (= 0 |v_ULTIMATE.start_main_~#t2094~0.offset_18|) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t2094~0.base_25| 4) |v_#length_21|) (= 0 v_~main$tmp_guard0~0_30) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_22) (= 0 v_~z~0_57) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 v_~__unbuffered_cnt~0_98) (= 0 v_~y~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25|) |v_ULTIMATE.start_main_~#t2094~0.offset_18| 0)) |v_#memory_int_17|) (= 0 v_~__unbuffered_p2_EAX~0_49) (= 0 v_~main$tmp_guard1~0_40) (< 0 |v_#StackHeapBarrier_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ULTIMATE.start_main_~#t2094~0.base=|v_ULTIMATE.start_main_~#t2094~0.base_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_18|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_23|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2094~0.offset=|v_ULTIMATE.start_main_~#t2094~0.offset_18|, ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_17|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_20|, #valid=|v_#valid_61|, #memory_int=|v_#memory_int_17|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_49, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~z~0=v_~z~0_57, ~y~0=v_~y~0_23, ~x~0=v_~x~0_22} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2094~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2096~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2094~0.offset, ULTIMATE.start_main_~#t2095~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2096~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {3777#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,291 INFO L280 TraceCheckUtils]: 1: Hoare triple {3777#(= 0 ~__unbuffered_cnt~0)} [165] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3777#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,292 INFO L280 TraceCheckUtils]: 2: Hoare triple {3777#(= 0 ~__unbuffered_cnt~0)} [176] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3777#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,293 INFO L280 TraceCheckUtils]: 3: Hoare triple {3777#(= 0 ~__unbuffered_cnt~0)} [209] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10|) |v_ULTIMATE.start_main_~#t2095~0.offset_9| 1)) |v_#memory_int_11|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10| 1)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2095~0.base_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2095~0.base_10| 4)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10|)) (= |v_ULTIMATE.start_main_~#t2095~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t2095~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2095~0.base, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {3777#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,293 INFO L280 TraceCheckUtils]: 4: Hoare triple {3777#(= 0 ~__unbuffered_cnt~0)} [167] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {3777#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,294 INFO L280 TraceCheckUtils]: 5: Hoare triple {3777#(= 0 ~__unbuffered_cnt~0)} [210] L772-1-->L774: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11|) |v_ULTIMATE.start_main_~#t2096~0.offset_10| 2)) |v_#memory_int_13|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11| 1) |v_#valid_35|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2096~0.base_11|) (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11|)) (not (= |v_ULTIMATE.start_main_~#t2096~0.base_11| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2096~0.base_11| 4)) (= |v_ULTIMATE.start_main_~#t2096~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_10|, #valid=|v_#valid_35|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2096~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2096~0.base, #length] {3777#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,295 INFO L280 TraceCheckUtils]: 6: Hoare triple {3777#(= 0 ~__unbuffered_cnt~0)} [169] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {3777#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,296 INFO L280 TraceCheckUtils]: 7: Hoare triple {3777#(= 0 ~__unbuffered_cnt~0)} [197] L774-1-->L778: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_53))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_14)) (and (= 1 v_~main$tmp_guard0~0_14) .cse0))) (= (mod v_~main$tmp_guard0~0_14 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_14} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3778#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} is VALID [2020-07-28 21:34:36,297 INFO L280 TraceCheckUtils]: 8: Hoare triple {3778#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} [186] P1ENTRY-->L732: Formula: (and (= 1 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_8} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {3778#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} is VALID [2020-07-28 21:34:36,298 INFO L280 TraceCheckUtils]: 9: Hoare triple {3778#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} [154] L732-->L735: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {3778#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} is VALID [2020-07-28 21:34:36,298 INFO L280 TraceCheckUtils]: 10: Hoare triple {3778#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} [174] P2ENTRY-->L747: Formula: (and (= v_~__unbuffered_p2_EAX~0_4 v_~y~0_5) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3778#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} is VALID [2020-07-28 21:34:36,299 INFO L280 TraceCheckUtils]: 11: Hoare triple {3778#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} [221] L778-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_~main$tmp_guard1~0_27) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_14| (mod v_~main$tmp_guard1~0_27 256)) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_20) (= 1 v_~__unbuffered_p2_EAX~0_37) (= v_ULTIMATE.start_assume_abort_if_not_~cond_18 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~z~0_41) (= 0 v_~__unbuffered_p0_EAX~0_33) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_18))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_20, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_18, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_14|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3776#false} is VALID [2020-07-28 21:34:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:34:36,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75718393] [2020-07-28 21:34:36,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:36,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:34:36,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39760186] [2020-07-28 21:34:36,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:34:36,302 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:36,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:34:36,317 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:36,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:34:36,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:36,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:34:36,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:34:36,318 INFO L87 Difference]: Start difference. First operand 144 states and 355 transitions. Second operand 4 states. [2020-07-28 21:34:36,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:36,421 INFO L93 Difference]: Finished difference Result 164 states and 374 transitions. [2020-07-28 21:34:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:34:36,422 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:34:36,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:36,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:34:36,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2020-07-28 21:34:36,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:34:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2020-07-28 21:34:36,424 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 51 transitions. [2020-07-28 21:34:36,489 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:36,491 INFO L225 Difference]: With dead ends: 164 [2020-07-28 21:34:36,491 INFO L226 Difference]: Without dead ends: 124 [2020-07-28 21:34:36,492 INFO L675 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 [2020-07-28 21:34:36,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-28 21:34:36,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,524 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,524 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:36,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-07-28 21:34:36,525 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:36,525 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand 124 states. [2020-07-28 21:34:36,525 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 124 states. [2020-07-28 21:34:36,525 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 124 states. [2020-07-28 21:34:36,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:36,532 INFO L93 Difference]: Finished difference Result 124 states and 281 transitions. [2020-07-28 21:34:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 281 transitions. [2020-07-28 21:34:36,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:36,533 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:36,533 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 124 states. [2020-07-28 21:34:36,533 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 124 states. [2020-07-28 21:34:36,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:36,539 INFO L93 Difference]: Finished difference Result 124 states and 281 transitions. [2020-07-28 21:34:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 281 transitions. [2020-07-28 21:34:36,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:36,540 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:36,540 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:36,540 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-28 21:34:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 281 transitions. [2020-07-28 21:34:36,547 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 281 transitions. Word has length 12 [2020-07-28 21:34:36,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:36,547 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 281 transitions. [2020-07-28 21:34:36,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:34:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 281 transitions. [2020-07-28 21:34:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:34:36,548 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:36,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:36,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:34:36,549 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:36,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:36,549 INFO L82 PathProgramCache]: Analyzing trace with hash 852950147, now seen corresponding path program 1 times [2020-07-28 21:34:36,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:36,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336894881] [2020-07-28 21:34:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:36,650 INFO L280 TraceCheckUtils]: 0: Hoare triple {4443#true} [228] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_63| 0 0))) (and (= 0 |v_#NULL.base_5|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2094~0.base_25|) (= |v_#valid_61| (store .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25| 1)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25|) 0) (= 0 |v_ULTIMATE.start_main_~#t2094~0.offset_18|) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t2094~0.base_25| 4) |v_#length_21|) (= 0 v_~main$tmp_guard0~0_30) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_22) (= 0 v_~z~0_57) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 v_~__unbuffered_cnt~0_98) (= 0 v_~y~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25|) |v_ULTIMATE.start_main_~#t2094~0.offset_18| 0)) |v_#memory_int_17|) (= 0 v_~__unbuffered_p2_EAX~0_49) (= 0 v_~main$tmp_guard1~0_40) (< 0 |v_#StackHeapBarrier_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ULTIMATE.start_main_~#t2094~0.base=|v_ULTIMATE.start_main_~#t2094~0.base_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_18|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_23|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2094~0.offset=|v_ULTIMATE.start_main_~#t2094~0.offset_18|, ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_17|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_20|, #valid=|v_#valid_61|, #memory_int=|v_#memory_int_17|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_49, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~z~0=v_~z~0_57, ~y~0=v_~y~0_23, ~x~0=v_~x~0_22} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2094~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2096~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2094~0.offset, ULTIMATE.start_main_~#t2095~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2096~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {4445#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,651 INFO L280 TraceCheckUtils]: 1: Hoare triple {4445#(= 0 ~__unbuffered_cnt~0)} [165] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4445#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,652 INFO L280 TraceCheckUtils]: 2: Hoare triple {4445#(= 0 ~__unbuffered_cnt~0)} [176] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4445#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,653 INFO L280 TraceCheckUtils]: 3: Hoare triple {4445#(= 0 ~__unbuffered_cnt~0)} [209] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10|) |v_ULTIMATE.start_main_~#t2095~0.offset_9| 1)) |v_#memory_int_11|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10| 1)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2095~0.base_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2095~0.base_10| 4)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10|)) (= |v_ULTIMATE.start_main_~#t2095~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t2095~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2095~0.base, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4445#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,653 INFO L280 TraceCheckUtils]: 4: Hoare triple {4445#(= 0 ~__unbuffered_cnt~0)} [167] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {4445#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,654 INFO L280 TraceCheckUtils]: 5: Hoare triple {4445#(= 0 ~__unbuffered_cnt~0)} [210] L772-1-->L774: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11|) |v_ULTIMATE.start_main_~#t2096~0.offset_10| 2)) |v_#memory_int_13|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11| 1) |v_#valid_35|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2096~0.base_11|) (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11|)) (not (= |v_ULTIMATE.start_main_~#t2096~0.base_11| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2096~0.base_11| 4)) (= |v_ULTIMATE.start_main_~#t2096~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_10|, #valid=|v_#valid_35|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2096~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2096~0.base, #length] {4445#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,655 INFO L280 TraceCheckUtils]: 6: Hoare triple {4445#(= 0 ~__unbuffered_cnt~0)} [169] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {4445#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,656 INFO L280 TraceCheckUtils]: 7: Hoare triple {4445#(= 0 ~__unbuffered_cnt~0)} [186] P1ENTRY-->L732: Formula: (and (= 1 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_8} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {4445#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,656 INFO L280 TraceCheckUtils]: 8: Hoare triple {4445#(= 0 ~__unbuffered_cnt~0)} [154] L732-->L735: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {4445#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:36,657 INFO L280 TraceCheckUtils]: 9: Hoare triple {4445#(= 0 ~__unbuffered_cnt~0)} [204] L735-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_60 1) v_~__unbuffered_cnt~0_59) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_60} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {4446#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:34:36,659 INFO L280 TraceCheckUtils]: 10: Hoare triple {4446#(<= ~__unbuffered_cnt~0 1)} [197] L774-1-->L778: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_53))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_14)) (and (= 1 v_~main$tmp_guard0~0_14) .cse0))) (= (mod v_~main$tmp_guard0~0_14 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_14} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4447#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_#in~cond| 1)))} is VALID [2020-07-28 21:34:36,661 INFO L280 TraceCheckUtils]: 11: Hoare triple {4447#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_#in~cond| 1)))} [174] P2ENTRY-->L747: Formula: (and (= v_~__unbuffered_p2_EAX~0_4 v_~y~0_5) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {4447#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_#in~cond| 1)))} is VALID [2020-07-28 21:34:36,668 INFO L280 TraceCheckUtils]: 12: Hoare triple {4447#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_#in~cond| 1)))} [221] L778-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_~main$tmp_guard1~0_27) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_14| (mod v_~main$tmp_guard1~0_27 256)) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_20) (= 1 v_~__unbuffered_p2_EAX~0_37) (= v_ULTIMATE.start_assume_abort_if_not_~cond_18 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~z~0_41) (= 0 v_~__unbuffered_p0_EAX~0_33) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_18))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_20, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_18, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_14|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4444#false} is VALID [2020-07-28 21:34:36,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:34:36,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336894881] [2020-07-28 21:34:36,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:36,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:34:36,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890365626] [2020-07-28 21:34:36,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:34:36,670 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:36,671 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:34:36,689 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:36,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:34:36,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:36,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:34:36,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:34:36,690 INFO L87 Difference]: Start difference. First operand 124 states and 281 transitions. Second operand 5 states. [2020-07-28 21:34:36,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:36,882 INFO L93 Difference]: Finished difference Result 122 states and 258 transitions. [2020-07-28 21:34:36,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:34:36,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:34:36,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:34:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 58 transitions. [2020-07-28 21:34:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:34:36,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 58 transitions. [2020-07-28 21:34:36,886 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 58 transitions. [2020-07-28 21:34:37,001 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:37,003 INFO L225 Difference]: With dead ends: 122 [2020-07-28 21:34:37,003 INFO L226 Difference]: Without dead ends: 97 [2020-07-28 21:34:37,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:34:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-28 21:34:37,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-07-28 21:34:37,028 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:37,028 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states. Second operand 97 states. [2020-07-28 21:34:37,028 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 97 states. [2020-07-28 21:34:37,028 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 97 states. [2020-07-28 21:34:37,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,036 INFO L93 Difference]: Finished difference Result 97 states and 202 transitions. [2020-07-28 21:34:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 202 transitions. [2020-07-28 21:34:37,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:37,037 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:37,038 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 97 states. [2020-07-28 21:34:37,038 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 97 states. [2020-07-28 21:34:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,040 INFO L93 Difference]: Finished difference Result 97 states and 202 transitions. [2020-07-28 21:34:37,041 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 202 transitions. [2020-07-28 21:34:37,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:37,048 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:37,048 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:37,048 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-28 21:34:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 202 transitions. [2020-07-28 21:34:37,051 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 202 transitions. Word has length 13 [2020-07-28 21:34:37,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:37,051 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 202 transitions. [2020-07-28 21:34:37,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:34:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 202 transitions. [2020-07-28 21:34:37,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:34:37,056 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:37,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:37,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:34:37,056 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:37,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:37,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1634628682, now seen corresponding path program 1 times [2020-07-28 21:34:37,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:37,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139061100] [2020-07-28 21:34:37,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:37,141 INFO L280 TraceCheckUtils]: 0: Hoare triple {4962#true} [228] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_63| 0 0))) (and (= 0 |v_#NULL.base_5|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2094~0.base_25|) (= |v_#valid_61| (store .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25| 1)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25|) 0) (= 0 |v_ULTIMATE.start_main_~#t2094~0.offset_18|) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t2094~0.base_25| 4) |v_#length_21|) (= 0 v_~main$tmp_guard0~0_30) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_22) (= 0 v_~z~0_57) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 v_~__unbuffered_cnt~0_98) (= 0 v_~y~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25|) |v_ULTIMATE.start_main_~#t2094~0.offset_18| 0)) |v_#memory_int_17|) (= 0 v_~__unbuffered_p2_EAX~0_49) (= 0 v_~main$tmp_guard1~0_40) (< 0 |v_#StackHeapBarrier_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ULTIMATE.start_main_~#t2094~0.base=|v_ULTIMATE.start_main_~#t2094~0.base_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_18|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_23|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2094~0.offset=|v_ULTIMATE.start_main_~#t2094~0.offset_18|, ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_17|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_20|, #valid=|v_#valid_61|, #memory_int=|v_#memory_int_17|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_49, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~z~0=v_~z~0_57, ~y~0=v_~y~0_23, ~x~0=v_~x~0_22} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2094~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2096~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2094~0.offset, ULTIMATE.start_main_~#t2095~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2096~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {4962#true} is VALID [2020-07-28 21:34:37,141 INFO L280 TraceCheckUtils]: 1: Hoare triple {4962#true} [165] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4962#true} is VALID [2020-07-28 21:34:37,142 INFO L280 TraceCheckUtils]: 2: Hoare triple {4962#true} [209] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10|) |v_ULTIMATE.start_main_~#t2095~0.offset_9| 1)) |v_#memory_int_11|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10| 1)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2095~0.base_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2095~0.base_10| 4)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10|)) (= |v_ULTIMATE.start_main_~#t2095~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t2095~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2095~0.base, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4962#true} is VALID [2020-07-28 21:34:37,142 INFO L280 TraceCheckUtils]: 3: Hoare triple {4962#true} [167] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {4962#true} is VALID [2020-07-28 21:34:37,142 INFO L280 TraceCheckUtils]: 4: Hoare triple {4962#true} [210] L772-1-->L774: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11|) |v_ULTIMATE.start_main_~#t2096~0.offset_10| 2)) |v_#memory_int_13|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11| 1) |v_#valid_35|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2096~0.base_11|) (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11|)) (not (= |v_ULTIMATE.start_main_~#t2096~0.base_11| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2096~0.base_11| 4)) (= |v_ULTIMATE.start_main_~#t2096~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_10|, #valid=|v_#valid_35|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2096~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2096~0.base, #length] {4962#true} is VALID [2020-07-28 21:34:37,143 INFO L280 TraceCheckUtils]: 5: Hoare triple {4962#true} [169] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {4962#true} is VALID [2020-07-28 21:34:37,143 INFO L280 TraceCheckUtils]: 6: Hoare triple {4962#true} [186] P1ENTRY-->L732: Formula: (and (= 1 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_8} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {4962#true} is VALID [2020-07-28 21:34:37,143 INFO L280 TraceCheckUtils]: 7: Hoare triple {4962#true} [154] L732-->L735: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {4962#true} is VALID [2020-07-28 21:34:37,143 INFO L280 TraceCheckUtils]: 8: Hoare triple {4962#true} [204] L735-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_60 1) v_~__unbuffered_cnt~0_59) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_60} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {4962#true} is VALID [2020-07-28 21:34:37,144 INFO L280 TraceCheckUtils]: 9: Hoare triple {4962#true} [174] P2ENTRY-->L747: Formula: (and (= v_~__unbuffered_p2_EAX~0_4 v_~y~0_5) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {4962#true} is VALID [2020-07-28 21:34:37,146 INFO L280 TraceCheckUtils]: 10: Hoare triple {4962#true} [160] L747-->L750: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] {4964#(= 1 ~z~0)} is VALID [2020-07-28 21:34:37,147 INFO L280 TraceCheckUtils]: 11: Hoare triple {4964#(= 1 ~z~0)} [205] L750-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.offset_11|) (= 0 |v_P2Thread1of1ForFork2_#res.base_11|) (= (+ v_~__unbuffered_cnt~0_78 1) v_~__unbuffered_cnt~0_77)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_78} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_11|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {4964#(= 1 ~z~0)} is VALID [2020-07-28 21:34:37,148 INFO L280 TraceCheckUtils]: 12: Hoare triple {4964#(= 1 ~z~0)} [197] L774-1-->L778: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_53))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_14)) (and (= 1 v_~main$tmp_guard0~0_14) .cse0))) (= (mod v_~main$tmp_guard0~0_14 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_14} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4964#(= 1 ~z~0)} is VALID [2020-07-28 21:34:37,149 INFO L280 TraceCheckUtils]: 13: Hoare triple {4964#(= 1 ~z~0)} [221] L778-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_~main$tmp_guard1~0_27) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_14| (mod v_~main$tmp_guard1~0_27 256)) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_20) (= 1 v_~__unbuffered_p2_EAX~0_37) (= v_ULTIMATE.start_assume_abort_if_not_~cond_18 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~z~0_41) (= 0 v_~__unbuffered_p0_EAX~0_33) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_18))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_20, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_18, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_14|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4963#false} is VALID [2020-07-28 21:34:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:34:37,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139061100] [2020-07-28 21:34:37,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:37,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:34:37,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202858765] [2020-07-28 21:34:37,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-07-28 21:34:37,152 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:37,153 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:34:37,171 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:37,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:34:37,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:37,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:34:37,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:34:37,172 INFO L87 Difference]: Start difference. First operand 97 states and 202 transitions. Second operand 3 states. [2020-07-28 21:34:37,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,215 INFO L93 Difference]: Finished difference Result 115 states and 230 transitions. [2020-07-28 21:34:37,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:34:37,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-07-28 21:34:37,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2020-07-28 21:34:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2020-07-28 21:34:37,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 24 transitions. [2020-07-28 21:34:37,250 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:37,253 INFO L225 Difference]: With dead ends: 115 [2020-07-28 21:34:37,253 INFO L226 Difference]: Without dead ends: 98 [2020-07-28 21:34:37,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:34:37,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-28 21:34:37,256 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,256 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,256 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,258 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,258 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,258 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,258 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,259 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,259 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,259 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,260 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,260 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,260 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,260 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,261 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,261 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,261 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,261 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,261 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,261 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,262 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,262 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,262 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,262 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,262 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,263 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,263 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,263 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,263 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,263 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2020-07-28 21:34:37,276 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:37,276 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand 96 states. [2020-07-28 21:34:37,277 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 96 states. [2020-07-28 21:34:37,277 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 96 states. [2020-07-28 21:34:37,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,284 INFO L93 Difference]: Finished difference Result 98 states and 194 transitions. [2020-07-28 21:34:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 194 transitions. [2020-07-28 21:34:37,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:37,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:37,285 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 98 states. [2020-07-28 21:34:37,285 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 98 states. [2020-07-28 21:34:37,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,289 INFO L93 Difference]: Finished difference Result 98 states and 194 transitions. [2020-07-28 21:34:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 194 transitions. [2020-07-28 21:34:37,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:37,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:37,290 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:37,290 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-28 21:34:37,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 193 transitions. [2020-07-28 21:34:37,293 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 193 transitions. Word has length 14 [2020-07-28 21:34:37,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:37,294 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 193 transitions. [2020-07-28 21:34:37,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:34:37,294 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 193 transitions. [2020-07-28 21:34:37,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 21:34:37,295 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:37,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:37,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:34:37,295 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:37,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:37,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1887879687, now seen corresponding path program 1 times [2020-07-28 21:34:37,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:37,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784525014] [2020-07-28 21:34:37,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:37,442 INFO L280 TraceCheckUtils]: 0: Hoare triple {5470#true} [228] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_63| 0 0))) (and (= 0 |v_#NULL.base_5|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2094~0.base_25|) (= |v_#valid_61| (store .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25| 1)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25|) 0) (= 0 |v_ULTIMATE.start_main_~#t2094~0.offset_18|) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t2094~0.base_25| 4) |v_#length_21|) (= 0 v_~main$tmp_guard0~0_30) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_22) (= 0 v_~z~0_57) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 v_~__unbuffered_cnt~0_98) (= 0 v_~y~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25|) |v_ULTIMATE.start_main_~#t2094~0.offset_18| 0)) |v_#memory_int_17|) (= 0 v_~__unbuffered_p2_EAX~0_49) (= 0 v_~main$tmp_guard1~0_40) (< 0 |v_#StackHeapBarrier_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ULTIMATE.start_main_~#t2094~0.base=|v_ULTIMATE.start_main_~#t2094~0.base_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_18|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_23|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2094~0.offset=|v_ULTIMATE.start_main_~#t2094~0.offset_18|, ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_17|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_20|, #valid=|v_#valid_61|, #memory_int=|v_#memory_int_17|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_49, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~z~0=v_~z~0_57, ~y~0=v_~y~0_23, ~x~0=v_~x~0_22} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2094~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2096~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2094~0.offset, ULTIMATE.start_main_~#t2095~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2096~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {5472#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:37,443 INFO L280 TraceCheckUtils]: 1: Hoare triple {5472#(= 0 ~__unbuffered_cnt~0)} [165] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5472#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:37,444 INFO L280 TraceCheckUtils]: 2: Hoare triple {5472#(= 0 ~__unbuffered_cnt~0)} [176] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5472#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:37,444 INFO L280 TraceCheckUtils]: 3: Hoare triple {5472#(= 0 ~__unbuffered_cnt~0)} [209] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10|) |v_ULTIMATE.start_main_~#t2095~0.offset_9| 1)) |v_#memory_int_11|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10| 1)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2095~0.base_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2095~0.base_10| 4)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10|)) (= |v_ULTIMATE.start_main_~#t2095~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t2095~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2095~0.base, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5472#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:37,445 INFO L280 TraceCheckUtils]: 4: Hoare triple {5472#(= 0 ~__unbuffered_cnt~0)} [148] L715-->L720: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {5472#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:37,446 INFO L280 TraceCheckUtils]: 5: Hoare triple {5472#(= 0 ~__unbuffered_cnt~0)} [208] L720-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|) (= (+ v_~__unbuffered_cnt~0_84 1) v_~__unbuffered_cnt~0_83)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_84} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_83} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5473#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:34:37,447 INFO L280 TraceCheckUtils]: 6: Hoare triple {5473#(<= ~__unbuffered_cnt~0 1)} [167] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {5473#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:34:37,447 INFO L280 TraceCheckUtils]: 7: Hoare triple {5473#(<= ~__unbuffered_cnt~0 1)} [210] L772-1-->L774: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11|) |v_ULTIMATE.start_main_~#t2096~0.offset_10| 2)) |v_#memory_int_13|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11| 1) |v_#valid_35|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2096~0.base_11|) (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11|)) (not (= |v_ULTIMATE.start_main_~#t2096~0.base_11| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2096~0.base_11| 4)) (= |v_ULTIMATE.start_main_~#t2096~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_10|, #valid=|v_#valid_35|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2096~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2096~0.base, #length] {5473#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:34:37,448 INFO L280 TraceCheckUtils]: 8: Hoare triple {5473#(<= ~__unbuffered_cnt~0 1)} [169] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {5473#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:34:37,449 INFO L280 TraceCheckUtils]: 9: Hoare triple {5473#(<= ~__unbuffered_cnt~0 1)} [186] P1ENTRY-->L732: Formula: (and (= 1 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_8} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5473#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:34:37,449 INFO L280 TraceCheckUtils]: 10: Hoare triple {5473#(<= ~__unbuffered_cnt~0 1)} [154] L732-->L735: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {5473#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:34:37,450 INFO L280 TraceCheckUtils]: 11: Hoare triple {5473#(<= ~__unbuffered_cnt~0 1)} [204] L735-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_60 1) v_~__unbuffered_cnt~0_59) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_60} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5474#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:34:37,451 INFO L280 TraceCheckUtils]: 12: Hoare triple {5474#(<= ~__unbuffered_cnt~0 2)} [197] L774-1-->L778: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_53))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_14)) (and (= 1 v_~main$tmp_guard0~0_14) .cse0))) (= (mod v_~main$tmp_guard0~0_14 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_14} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5475#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_#in~cond| 1)))} is VALID [2020-07-28 21:34:37,452 INFO L280 TraceCheckUtils]: 13: Hoare triple {5475#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_#in~cond| 1)))} [174] P2ENTRY-->L747: Formula: (and (= v_~__unbuffered_p2_EAX~0_4 v_~y~0_5) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5475#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_#in~cond| 1)))} is VALID [2020-07-28 21:34:37,454 INFO L280 TraceCheckUtils]: 14: Hoare triple {5475#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_#in~cond| 1)))} [221] L778-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_~main$tmp_guard1~0_27) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_14| (mod v_~main$tmp_guard1~0_27 256)) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_20) (= 1 v_~__unbuffered_p2_EAX~0_37) (= v_ULTIMATE.start_assume_abort_if_not_~cond_18 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~z~0_41) (= 0 v_~__unbuffered_p0_EAX~0_33) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_18))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_20, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_18, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_14|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5471#false} is VALID [2020-07-28 21:34:37,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:34:37,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784525014] [2020-07-28 21:34:37,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:37,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:34:37,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349815471] [2020-07-28 21:34:37,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-07-28 21:34:37,456 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:37,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 21:34:37,474 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:37,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 21:34:37,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:37,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 21:34:37,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:34:37,476 INFO L87 Difference]: Start difference. First operand 96 states and 193 transitions. Second operand 6 states. [2020-07-28 21:34:37,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,656 INFO L93 Difference]: Finished difference Result 92 states and 183 transitions. [2020-07-28 21:34:37,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 21:34:37,656 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-07-28 21:34:37,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:34:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 47 transitions. [2020-07-28 21:34:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:34:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 47 transitions. [2020-07-28 21:34:37,659 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 47 transitions. [2020-07-28 21:34:37,715 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:37,716 INFO L225 Difference]: With dead ends: 92 [2020-07-28 21:34:37,716 INFO L226 Difference]: Without dead ends: 36 [2020-07-28 21:34:37,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:34:37,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-07-28 21:34:37,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-07-28 21:34:37,726 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:37,726 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2020-07-28 21:34:37,726 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-28 21:34:37,726 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-28 21:34:37,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,728 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-07-28 21:34:37,728 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-07-28 21:34:37,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:37,728 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:37,728 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-28 21:34:37,728 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-28 21:34:37,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,730 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-07-28 21:34:37,730 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-07-28 21:34:37,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:37,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:37,730 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:37,730 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-07-28 21:34:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 56 transitions. [2020-07-28 21:34:37,731 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 56 transitions. Word has length 15 [2020-07-28 21:34:37,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:37,732 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 56 transitions. [2020-07-28 21:34:37,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 21:34:37,732 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-07-28 21:34:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 21:34:37,732 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:37,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:37,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:34:37,733 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:37,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:37,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1759545272, now seen corresponding path program 1 times [2020-07-28 21:34:37,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:37,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898931389] [2020-07-28 21:34:37,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:37,836 INFO L280 TraceCheckUtils]: 0: Hoare triple {5716#true} [228] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_63| 0 0))) (and (= 0 |v_#NULL.base_5|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2094~0.base_25|) (= |v_#valid_61| (store .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25| 1)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2094~0.base_25|) 0) (= 0 |v_ULTIMATE.start_main_~#t2094~0.offset_18|) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t2094~0.base_25| 4) |v_#length_21|) (= 0 v_~main$tmp_guard0~0_30) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_22) (= 0 v_~z~0_57) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 v_~__unbuffered_cnt~0_98) (= 0 v_~y~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2094~0.base_25|) |v_ULTIMATE.start_main_~#t2094~0.offset_18| 0)) |v_#memory_int_17|) (= 0 v_~__unbuffered_p2_EAX~0_49) (= 0 v_~main$tmp_guard1~0_40) (< 0 |v_#StackHeapBarrier_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ULTIMATE.start_main_~#t2094~0.base=|v_ULTIMATE.start_main_~#t2094~0.base_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_18|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_23|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2094~0.offset=|v_ULTIMATE.start_main_~#t2094~0.offset_18|, ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_17|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_20|, #valid=|v_#valid_61|, #memory_int=|v_#memory_int_17|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_49, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~z~0=v_~z~0_57, ~y~0=v_~y~0_23, ~x~0=v_~x~0_22} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2094~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2096~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2094~0.offset, ULTIMATE.start_main_~#t2095~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2096~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {5716#true} is VALID [2020-07-28 21:34:37,836 INFO L280 TraceCheckUtils]: 1: Hoare triple {5716#true} [165] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5716#true} is VALID [2020-07-28 21:34:37,836 INFO L280 TraceCheckUtils]: 2: Hoare triple {5716#true} [209] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2095~0.base_10|) |v_ULTIMATE.start_main_~#t2095~0.offset_9| 1)) |v_#memory_int_11|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10| 1)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2095~0.base_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2095~0.base_10| 4)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2095~0.base_10|)) (= |v_ULTIMATE.start_main_~#t2095~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t2095~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2095~0.base=|v_ULTIMATE.start_main_~#t2095~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2095~0.offset=|v_ULTIMATE.start_main_~#t2095~0.offset_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2095~0.base, ULTIMATE.start_main_~#t2095~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5716#true} is VALID [2020-07-28 21:34:37,837 INFO L280 TraceCheckUtils]: 3: Hoare triple {5716#true} [167] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {5716#true} is VALID [2020-07-28 21:34:37,837 INFO L280 TraceCheckUtils]: 4: Hoare triple {5716#true} [210] L772-1-->L774: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2096~0.base_11|) |v_ULTIMATE.start_main_~#t2096~0.offset_10| 2)) |v_#memory_int_13|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11| 1) |v_#valid_35|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2096~0.base_11|) (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t2096~0.base_11|)) (not (= |v_ULTIMATE.start_main_~#t2096~0.base_11| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2096~0.base_11| 4)) (= |v_ULTIMATE.start_main_~#t2096~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2096~0.offset=|v_ULTIMATE.start_main_~#t2096~0.offset_10|, #valid=|v_#valid_35|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2096~0.base=|v_ULTIMATE.start_main_~#t2096~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2096~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2096~0.base, #length] {5716#true} is VALID [2020-07-28 21:34:37,838 INFO L280 TraceCheckUtils]: 5: Hoare triple {5716#true} [169] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {5716#true} is VALID [2020-07-28 21:34:37,839 INFO L280 TraceCheckUtils]: 6: Hoare triple {5716#true} [186] P1ENTRY-->L732: Formula: (and (= 1 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_8} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5718#(= 1 ~x~0)} is VALID [2020-07-28 21:34:37,839 INFO L280 TraceCheckUtils]: 7: Hoare triple {5718#(= 1 ~x~0)} [154] L732-->L735: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {5718#(= 1 ~x~0)} is VALID [2020-07-28 21:34:37,840 INFO L280 TraceCheckUtils]: 8: Hoare triple {5718#(= 1 ~x~0)} [204] L735-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_60 1) v_~__unbuffered_cnt~0_59) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_60} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5718#(= 1 ~x~0)} is VALID [2020-07-28 21:34:37,840 INFO L280 TraceCheckUtils]: 9: Hoare triple {5718#(= 1 ~x~0)} [174] P2ENTRY-->L747: Formula: (and (= v_~__unbuffered_p2_EAX~0_4 v_~y~0_5) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5718#(= 1 ~x~0)} is VALID [2020-07-28 21:34:37,841 INFO L280 TraceCheckUtils]: 10: Hoare triple {5718#(= 1 ~x~0)} [160] L747-->L750: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] {5718#(= 1 ~x~0)} is VALID [2020-07-28 21:34:37,842 INFO L280 TraceCheckUtils]: 11: Hoare triple {5718#(= 1 ~x~0)} [176] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5718#(= 1 ~x~0)} is VALID [2020-07-28 21:34:37,842 INFO L280 TraceCheckUtils]: 12: Hoare triple {5718#(= 1 ~x~0)} [148] L715-->L720: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {5719#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:37,843 INFO L280 TraceCheckUtils]: 13: Hoare triple {5719#(= 1 ~__unbuffered_p0_EAX~0)} [208] L720-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|) (= (+ v_~__unbuffered_cnt~0_84 1) v_~__unbuffered_cnt~0_83)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_84} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_83} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5719#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:37,844 INFO L280 TraceCheckUtils]: 14: Hoare triple {5719#(= 1 ~__unbuffered_p0_EAX~0)} [205] L750-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.offset_11|) (= 0 |v_P2Thread1of1ForFork2_#res.base_11|) (= (+ v_~__unbuffered_cnt~0_78 1) v_~__unbuffered_cnt~0_77)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_78} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_11|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {5719#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:37,845 INFO L280 TraceCheckUtils]: 15: Hoare triple {5719#(= 1 ~__unbuffered_p0_EAX~0)} [197] L774-1-->L778: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_53))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_14)) (and (= 1 v_~main$tmp_guard0~0_14) .cse0))) (= (mod v_~main$tmp_guard0~0_14 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_53, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_14} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5719#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:37,846 INFO L280 TraceCheckUtils]: 16: Hoare triple {5719#(= 1 ~__unbuffered_p0_EAX~0)} [221] L778-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_~main$tmp_guard1~0_27) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_14| (mod v_~main$tmp_guard1~0_27 256)) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_20) (= 1 v_~__unbuffered_p2_EAX~0_37) (= v_ULTIMATE.start_assume_abort_if_not_~cond_18 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~z~0_41) (= 0 v_~__unbuffered_p0_EAX~0_33) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_18))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_33, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_20, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_18, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_37, ~z~0=v_~z~0_41, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_14|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5717#false} is VALID [2020-07-28 21:34:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:34:37,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898931389] [2020-07-28 21:34:37,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:37,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:34:37,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897975150] [2020-07-28 21:34:37,848 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:34:37,848 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:37,848 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:34:37,875 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:37,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:34:37,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:37,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:34:37,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:34:37,876 INFO L87 Difference]: Start difference. First operand 36 states and 56 transitions. Second operand 4 states. [2020-07-28 21:34:37,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,933 INFO L93 Difference]: Finished difference Result 35 states and 55 transitions. [2020-07-28 21:34:37,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:34:37,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:34:37,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:34:37,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-07-28 21:34:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:34:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-07-28 21:34:37,935 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 21 transitions. [2020-07-28 21:34:37,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:37,967 INFO L225 Difference]: With dead ends: 35 [2020-07-28 21:34:37,967 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:34:37,967 INFO L675 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 [2020-07-28 21:34:37,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:34:37,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:34:37,968 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:37,968 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:34:37,968 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:34:37,968 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:34:37,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,968 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:34:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:34:37,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:37,969 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:37,969 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:34:37,969 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:34:37,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:37,970 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:34:37,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:34:37,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:37,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:37,970 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:37,970 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:34:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:34:37,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-07-28 21:34:37,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:37,971 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:34:37,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:34:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:34:37,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:37,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 21:34:37,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:34:37 BasicIcfg [2020-07-28 21:34:37,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:34:37,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:34:37,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:34:37,978 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:34:37,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:34:32" (3/4) ... [2020-07-28 21:34:37,984 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:34:37,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:34:37,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:34:37,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:34:38,000 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:34:38,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:34:38,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:34:38,071 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:34:38,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:34:38,080 INFO L168 Benchmark]: Toolchain (without parser) took 7436.74 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 314.0 MB). Free memory was 953.5 MB in the beginning and 1.2 GB in the end (delta: -196.9 MB). Peak memory consumption was 117.2 MB. Max. memory is 11.5 GB. [2020-07-28 21:34:38,084 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:34:38,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2020-07-28 21:34:38,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:34:38,088 INFO L168 Benchmark]: Boogie Preprocessor took 29.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:34:38,089 INFO L168 Benchmark]: RCFGBuilder took 505.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2020-07-28 21:34:38,089 INFO L168 Benchmark]: TraceAbstraction took 5943.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -102.5 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2020-07-28 21:34:38,089 INFO L168 Benchmark]: Witness Printer took 96.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2020-07-28 21:34:38,091 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 799.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 505.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5943.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -102.5 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. * Witness Printer took 96.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.5s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 21 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 673 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 7 SemBasedMoverChecksPositive, 30 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 2190 CheckedPairsTotal, 58 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 145 SDtfs, 124 SDslu, 177 SDs, 0 SdLazy, 97 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 3100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...