./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe007_pso.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/safe007_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fbf551777daa86ced7ac70aa428e16069c7f895 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:30:07,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:30:07,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:30:07,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:30:07,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:30:07,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:30:07,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:30:07,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:30:07,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:30:07,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:30:07,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:30:07,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:30:07,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:30:07,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:30:07,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:30:07,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:30:07,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:30:07,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:30:07,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:30:07,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:30:07,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:30:07,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:30:07,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:30:07,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:30:07,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:30:07,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:30:07,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:30:07,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:30:07,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:30:07,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:30:07,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:30:07,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:30:07,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:30:07,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:30:07,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:30:07,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:30:07,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:30:07,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:30:07,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:30:07,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:30:07,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:30:07,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:30:07,239 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:30:07,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:30:07,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:30:07,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:30:07,242 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:30:07,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:30:07,243 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:30:07,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:30:07,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:30:07,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:30:07,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:30:07,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:30:07,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:30:07,245 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:30:07,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:30:07,245 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:30:07,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:30:07,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:30:07,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:30:07,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:30:07,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:30:07,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:30:07,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:30:07,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:30:07,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:30:07,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:30:07,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:30:07,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:30:07,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:30:07,249 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 -> 9fbf551777daa86ced7ac70aa428e16069c7f895 [2020-07-28 21:30:07,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:30:07,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:30:07,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:30:07,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:30:07,581 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:30:07,582 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i [2020-07-28 21:30:07,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ce2977f/cb59478f853f40308fba243119ed1590/FLAG68a9f1c73 [2020-07-28 21:30:08,204 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:30:08,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe007_pso.opt.i [2020-07-28 21:30:08,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ce2977f/cb59478f853f40308fba243119ed1590/FLAG68a9f1c73 [2020-07-28 21:30:08,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ce2977f/cb59478f853f40308fba243119ed1590 [2020-07-28 21:30:08,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:30:08,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:30:08,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:30:08,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:30:08,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:30:08,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:30:08" (1/1) ... [2020-07-28 21:30:08,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472db69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:08, skipping insertion in model container [2020-07-28 21:30:08,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:30:08" (1/1) ... [2020-07-28 21:30:08,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:30:08,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:30:09,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:30:09,096 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:30:09,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:30:09,305 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:30:09,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09 WrapperNode [2020-07-28 21:30:09,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:30:09,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:30:09,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:30:09,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:30:09,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (1/1) ... [2020-07-28 21:30:09,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (1/1) ... [2020-07-28 21:30:09,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:30:09,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:30:09,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:30:09,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:30:09,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (1/1) ... [2020-07-28 21:30:09,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (1/1) ... [2020-07-28 21:30:09,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (1/1) ... [2020-07-28 21:30:09,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (1/1) ... [2020-07-28 21:30:09,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (1/1) ... [2020-07-28 21:30:09,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (1/1) ... [2020-07-28 21:30:09,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (1/1) ... [2020-07-28 21:30:09,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:30:09,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:30:09,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:30:09,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:30:09,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (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 21:30:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:30:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:30:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:30:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:30:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:30:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:30:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:30:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:30:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:30:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:30:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:30:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:30:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:30:09,462 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 21:30:09,960 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:30:09,961 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:30:09,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:30:09 BoogieIcfgContainer [2020-07-28 21:30:09,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:30:09,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:30:09,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:30:09,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:30:09,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:30:08" (1/3) ... [2020-07-28 21:30:09,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d256462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:30:09, skipping insertion in model container [2020-07-28 21:30:09,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:09" (2/3) ... [2020-07-28 21:30:09,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d256462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:30:09, skipping insertion in model container [2020-07-28 21:30:09,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:30:09" (3/3) ... [2020-07-28 21:30:09,973 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_pso.opt.i [2020-07-28 21:30:09,983 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:30:09,984 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:30:09,992 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:30:09,993 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:30:10,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,025 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,027 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,029 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,038 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,044 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,044 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,049 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,049 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:10,065 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:30:10,085 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:30:10,085 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:30:10,085 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:30:10,086 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:30:10,086 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:30:10,086 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:30:10,086 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:30:10,086 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:30:10,102 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-07-28 21:30:10,104 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:30:10,151 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:30:10,151 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:30:10,156 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 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. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:30:10,159 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:30:10,183 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:30:10,183 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:30:10,184 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 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. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:30:10,186 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:30:10,187 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:30:12,332 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463 [2020-07-28 21:30:12,332 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-07-28 21:30:12,336 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-07-28 21:30:12,365 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-07-28 21:30:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-07-28 21:30:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:30:12,376 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:12,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:12,377 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:12,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:12,384 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-07-28 21:30:12,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:12,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693591085] [2020-07-28 21:30:12,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:12,618 INFO L280 TraceCheckUtils]: 0: Hoare triple {806#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1946~0.base_21|) (= 0 v_~y~0_21) (= 0 |v_ULTIMATE.start_main_~#t1946~0.offset_15|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t1946~0.base_21| 4)) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21| 1)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21|) |v_ULTIMATE.start_main_~#t1946~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~main$tmp_guard1~0_21) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21|)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_16|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_19|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_14|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1946~0.offset=|v_ULTIMATE.start_main_~#t1946~0.offset_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24, ULTIMATE.start_main_~#t1946~0.base=|v_ULTIMATE.start_main_~#t1946~0.base_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1947~0.offset, ULTIMATE.start_main_~#t1947~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1948~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t1946~0.offset, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1948~0.offset, ~x~0, ULTIMATE.start_main_~#t1946~0.base] {806#true} is VALID [2020-07-28 21:30:12,619 INFO L280 TraceCheckUtils]: 1: Hoare triple {806#true} [167] 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] {806#true} is VALID [2020-07-28 21:30:12,619 INFO L280 TraceCheckUtils]: 2: Hoare triple {806#true} [212] L770-1-->L772: Formula: (and (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12| 1)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12|) |v_ULTIMATE.start_main_~#t1947~0.offset_10| 1))) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1947~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1947~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1947~0.base_12| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_12|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1947~0.base, ULTIMATE.start_main_~#t1947~0.offset, #length] {806#true} is VALID [2020-07-28 21:30:12,619 INFO L280 TraceCheckUtils]: 3: Hoare triple {806#true} [169] 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] {806#true} is VALID [2020-07-28 21:30:12,620 INFO L280 TraceCheckUtils]: 4: Hoare triple {806#true} [198] L772-1-->L774: Formula: (and (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1948~0.base_9| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= |v_ULTIMATE.start_main_~#t1948~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9| 1) |v_#valid_27|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9|) |v_ULTIMATE.start_main_~#t1948~0.offset_9| 2))) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_9|, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1948~0.offset, ULTIMATE.start_main_~#t1948~0.base] {806#true} is VALID [2020-07-28 21:30:12,620 INFO L280 TraceCheckUtils]: 5: Hoare triple {806#true} [171] 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] {806#true} is VALID [2020-07-28 21:30:12,624 INFO L280 TraceCheckUtils]: 6: Hoare triple {806#true} [226] L774-1-->L7: Formula: false InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_29|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_22, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_10|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {807#false} is VALID [2020-07-28 21:30:12,625 INFO L280 TraceCheckUtils]: 7: Hoare triple {807#false} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {807#false} is VALID [2020-07-28 21:30:12,628 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 21:30:12,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693591085] [2020-07-28 21:30:12,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:12,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:30:12,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583302551] [2020-07-28 21:30:12,636 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:30:12,638 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:12,642 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 21:30:12,664 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 21:30:12,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 21:30:12,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:12,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 21:30:12,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:30:12,677 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-07-28 21:30:12,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:12,808 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-07-28 21:30:12,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 21:30:12,808 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:30:12,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:12,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:30:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:30:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:30:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:30:12,812 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2020-07-28 21:30:12,841 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:12,873 INFO L225 Difference]: With dead ends: 362 [2020-07-28 21:30:12,873 INFO L226 Difference]: Without dead ends: 298 [2020-07-28 21:30:12,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:30:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-28 21:30:12,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-07-28 21:30:13,003 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:13,003 INFO L82 GeneralOperation]: Start isEquivalent. First operand 298 states. Second operand 298 states. [2020-07-28 21:30:13,004 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:30:13,004 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:30:13,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:13,045 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:30:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:30:13,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:13,056 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:13,056 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:30:13,056 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:30:13,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:13,092 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:30:13,092 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:30:13,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:13,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:13,096 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:13,096 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:13,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-28 21:30:13,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-07-28 21:30:13,123 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-07-28 21:30:13,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:13,124 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-07-28 21:30:13,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 21:30:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:30:13,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:30:13,125 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:13,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:13,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:30:13,126 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:13,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:13,127 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-07-28 21:30:13,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:13,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640823796] [2020-07-28 21:30:13,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:13,295 INFO L280 TraceCheckUtils]: 0: Hoare triple {2364#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1946~0.base_21|) (= 0 v_~y~0_21) (= 0 |v_ULTIMATE.start_main_~#t1946~0.offset_15|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t1946~0.base_21| 4)) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21| 1)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21|) |v_ULTIMATE.start_main_~#t1946~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~main$tmp_guard1~0_21) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21|)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_16|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_19|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_14|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1946~0.offset=|v_ULTIMATE.start_main_~#t1946~0.offset_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24, ULTIMATE.start_main_~#t1946~0.base=|v_ULTIMATE.start_main_~#t1946~0.base_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1947~0.offset, ULTIMATE.start_main_~#t1947~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1948~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t1946~0.offset, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1948~0.offset, ~x~0, ULTIMATE.start_main_~#t1946~0.base] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:13,296 INFO L280 TraceCheckUtils]: 1: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [167] 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] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:13,297 INFO L280 TraceCheckUtils]: 2: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [212] L770-1-->L772: Formula: (and (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12| 1)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12|) |v_ULTIMATE.start_main_~#t1947~0.offset_10| 1))) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1947~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1947~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1947~0.base_12| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_12|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1947~0.base, ULTIMATE.start_main_~#t1947~0.offset, #length] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:13,298 INFO L280 TraceCheckUtils]: 3: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [169] 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] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:13,299 INFO L280 TraceCheckUtils]: 4: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [198] L772-1-->L774: Formula: (and (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1948~0.base_9| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= |v_ULTIMATE.start_main_~#t1948~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9| 1) |v_#valid_27|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9|) |v_ULTIMATE.start_main_~#t1948~0.offset_9| 2))) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_9|, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1948~0.offset, ULTIMATE.start_main_~#t1948~0.base] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:13,301 INFO L280 TraceCheckUtils]: 5: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [171] 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] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:13,302 INFO L280 TraceCheckUtils]: 6: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:13,306 INFO L280 TraceCheckUtils]: 7: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2367#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:13,306 INFO L280 TraceCheckUtils]: 8: Hoare triple {2367#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {2365#false} is VALID [2020-07-28 21:30:13,307 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 21:30:13,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640823796] [2020-07-28 21:30:13,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:13,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:30:13,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037458610] [2020-07-28 21:30:13,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:30:13,310 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:13,310 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:30:13,328 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 21:30:13,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:30:13,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:13,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:30:13,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:30:13,330 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-07-28 21:30:13,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:13,451 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-07-28 21:30:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:30:13,451 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:30:13,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:13,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:30:13,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:13,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:30:13,454 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-28 21:30:13,509 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:13,516 INFO L225 Difference]: With dead ends: 330 [2020-07-28 21:30:13,516 INFO L226 Difference]: Without dead ends: 266 [2020-07-28 21:30:13,517 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 21:30:13,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-28 21:30:13,528 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,528 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,529 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,529 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,529 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,530 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,530 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,530 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,530 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,531 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,531 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,531 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,532 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,532 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,532 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,532 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,533 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,533 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,533 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,534 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,534 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,534 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,534 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,535 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,535 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,535 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,535 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,536 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,536 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,536 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,537 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,537 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,537 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,537 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,538 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,538 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,538 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,538 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,539 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,539 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,539 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,539 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,540 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,540 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,540 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,541 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,541 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,541 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,541 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,542 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,542 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,542 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,542 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,543 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,543 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,543 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,543 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,544 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,544 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,544 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,544 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,545 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,545 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,545 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,548 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,548 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,548 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-07-28 21:30:13,592 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:13,592 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand 266 states. [2020-07-28 21:30:13,592 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:30:13,592 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:30:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:13,608 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:30:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:30:13,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:13,609 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:13,609 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:30:13,609 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:30:13,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:13,625 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:30:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:30:13,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:13,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:13,626 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:13,626 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-07-28 21:30:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-07-28 21:30:13,642 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-07-28 21:30:13,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:13,642 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-07-28 21:30:13,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:30:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:30:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:30:13,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:13,643 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:13,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:30:13,643 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:13,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:13,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1345064228, now seen corresponding path program 1 times [2020-07-28 21:30:13,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:13,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430459463] [2020-07-28 21:30:13,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:13,761 INFO L280 TraceCheckUtils]: 0: Hoare triple {3766#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1946~0.base_21|) (= 0 v_~y~0_21) (= 0 |v_ULTIMATE.start_main_~#t1946~0.offset_15|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t1946~0.base_21| 4)) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21| 1)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21|) |v_ULTIMATE.start_main_~#t1946~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~main$tmp_guard1~0_21) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21|)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_16|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_19|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_14|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1946~0.offset=|v_ULTIMATE.start_main_~#t1946~0.offset_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24, ULTIMATE.start_main_~#t1946~0.base=|v_ULTIMATE.start_main_~#t1946~0.base_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1947~0.offset, ULTIMATE.start_main_~#t1947~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1948~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t1946~0.offset, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1948~0.offset, ~x~0, ULTIMATE.start_main_~#t1946~0.base] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:13,762 INFO L280 TraceCheckUtils]: 1: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [167] 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] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:13,762 INFO L280 TraceCheckUtils]: 2: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [212] L770-1-->L772: Formula: (and (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12| 1)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12|) |v_ULTIMATE.start_main_~#t1947~0.offset_10| 1))) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1947~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1947~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1947~0.base_12| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_12|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1947~0.base, ULTIMATE.start_main_~#t1947~0.offset, #length] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:13,763 INFO L280 TraceCheckUtils]: 3: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [169] 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] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:13,764 INFO L280 TraceCheckUtils]: 4: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [198] L772-1-->L774: Formula: (and (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1948~0.base_9| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= |v_ULTIMATE.start_main_~#t1948~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9| 1) |v_#valid_27|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9|) |v_ULTIMATE.start_main_~#t1948~0.offset_9| 2))) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_9|, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1948~0.offset, ULTIMATE.start_main_~#t1948~0.base] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:13,765 INFO L280 TraceCheckUtils]: 5: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [171] 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] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:13,766 INFO L280 TraceCheckUtils]: 6: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) 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_11} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:13,767 INFO L280 TraceCheckUtils]: 7: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:13,768 INFO L280 TraceCheckUtils]: 8: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:13,769 INFO L280 TraceCheckUtils]: 9: Hoare triple {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {3767#false} is VALID [2020-07-28 21:30:13,770 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 21:30:13,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430459463] [2020-07-28 21:30:13,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:13,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:30:13,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718900380] [2020-07-28 21:30:13,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:30:13,771 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:13,771 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:30:13,790 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 21:30:13,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:30:13,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:13,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:30:13,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:30:13,792 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 4 states. [2020-07-28 21:30:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:13,887 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-07-28 21:30:13,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:30:13,887 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:30:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:13,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:13,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:30:13,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:13,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:30:13,890 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 45 transitions. [2020-07-28 21:30:13,944 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:13,950 INFO L225 Difference]: With dead ends: 290 [2020-07-28 21:30:13,950 INFO L226 Difference]: Without dead ends: 242 [2020-07-28 21:30:13,951 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 21:30:13,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-28 21:30:13,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:13,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-07-28 21:30:14,023 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:14,023 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 242 states. [2020-07-28 21:30:14,024 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 21:30:14,024 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 21:30:14,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:14,036 INFO L93 Difference]: Finished difference Result 242 states and 670 transitions. [2020-07-28 21:30:14,036 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:30:14,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:14,037 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:14,037 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 21:30:14,037 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 21:30:14,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:14,048 INFO L93 Difference]: Finished difference Result 242 states and 670 transitions. [2020-07-28 21:30:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:30:14,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:14,050 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:14,050 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:14,050 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-28 21:30:14,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-07-28 21:30:14,060 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-07-28 21:30:14,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:14,061 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-07-28 21:30:14,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:30:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:30:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:30:14,062 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:14,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:14,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:30:14,063 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:14,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:14,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1654538757, now seen corresponding path program 1 times [2020-07-28 21:30:14,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:14,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015032690] [2020-07-28 21:30:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:14,132 INFO L280 TraceCheckUtils]: 0: Hoare triple {5032#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1946~0.base_21|) (= 0 v_~y~0_21) (= 0 |v_ULTIMATE.start_main_~#t1946~0.offset_15|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t1946~0.base_21| 4)) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21| 1)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21|) |v_ULTIMATE.start_main_~#t1946~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~main$tmp_guard1~0_21) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21|)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_16|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_19|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_14|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1946~0.offset=|v_ULTIMATE.start_main_~#t1946~0.offset_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24, ULTIMATE.start_main_~#t1946~0.base=|v_ULTIMATE.start_main_~#t1946~0.base_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1947~0.offset, ULTIMATE.start_main_~#t1947~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1948~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t1946~0.offset, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1948~0.offset, ~x~0, ULTIMATE.start_main_~#t1946~0.base] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:30:14,133 INFO L280 TraceCheckUtils]: 1: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [167] 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] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:30:14,133 INFO L280 TraceCheckUtils]: 2: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [212] L770-1-->L772: Formula: (and (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12| 1)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12|) |v_ULTIMATE.start_main_~#t1947~0.offset_10| 1))) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1947~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1947~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1947~0.base_12| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_12|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1947~0.base, ULTIMATE.start_main_~#t1947~0.offset, #length] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:30:14,134 INFO L280 TraceCheckUtils]: 3: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= 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|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, 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_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:30:14,135 INFO L280 TraceCheckUtils]: 4: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [169] 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] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:30:14,136 INFO L280 TraceCheckUtils]: 5: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [198] L772-1-->L774: Formula: (and (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1948~0.base_9| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= |v_ULTIMATE.start_main_~#t1948~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9| 1) |v_#valid_27|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9|) |v_ULTIMATE.start_main_~#t1948~0.offset_9| 2))) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_9|, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1948~0.offset, ULTIMATE.start_main_~#t1948~0.base] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:30:14,136 INFO L280 TraceCheckUtils]: 6: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [171] 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] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:30:14,137 INFO L280 TraceCheckUtils]: 7: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) 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_11} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:30:14,138 INFO L280 TraceCheckUtils]: 8: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:30:14,139 INFO L280 TraceCheckUtils]: 9: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5035#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:14,140 INFO L280 TraceCheckUtils]: 10: Hoare triple {5035#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5033#false} is VALID [2020-07-28 21:30:14,141 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 21:30:14,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015032690] [2020-07-28 21:30:14,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:14,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:30:14,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523890751] [2020-07-28 21:30:14,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:30:14,142 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:14,143 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:30:14,157 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:14,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:30:14,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:14,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:30:14,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:30:14,158 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 4 states. [2020-07-28 21:30:14,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:14,240 INFO L93 Difference]: Finished difference Result 260 states and 694 transitions. [2020-07-28 21:30:14,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:30:14,241 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:30:14,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:14,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:30:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:14,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:30:14,243 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-28 21:30:14,290 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:14,297 INFO L225 Difference]: With dead ends: 260 [2020-07-28 21:30:14,297 INFO L226 Difference]: Without dead ends: 224 [2020-07-28 21:30:14,298 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 21:30:14,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-28 21:30:14,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,307 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,307 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,307 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,311 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,311 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,311 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-07-28 21:30:14,364 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:14,364 INFO L82 GeneralOperation]: Start isEquivalent. First operand 224 states. Second operand 224 states. [2020-07-28 21:30:14,364 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand 224 states. [2020-07-28 21:30:14,364 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 224 states. [2020-07-28 21:30:14,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:14,374 INFO L93 Difference]: Finished difference Result 224 states and 610 transitions. [2020-07-28 21:30:14,374 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:30:14,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:14,375 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:14,375 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand 224 states. [2020-07-28 21:30:14,375 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 224 states. [2020-07-28 21:30:14,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:14,385 INFO L93 Difference]: Finished difference Result 224 states and 610 transitions. [2020-07-28 21:30:14,385 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:30:14,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:14,386 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:14,386 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:14,386 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-28 21:30:14,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 610 transitions. [2020-07-28 21:30:14,394 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 610 transitions. Word has length 11 [2020-07-28 21:30:14,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:14,395 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 610 transitions. [2020-07-28 21:30:14,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:30:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:30:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:30:14,396 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:14,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:14,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:30:14,396 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:14,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:14,397 INFO L82 PathProgramCache]: Analyzing trace with hash 368404844, now seen corresponding path program 1 times [2020-07-28 21:30:14,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:14,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910397527] [2020-07-28 21:30:14,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:14,505 INFO L280 TraceCheckUtils]: 0: Hoare triple {6196#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1946~0.base_21|) (= 0 v_~y~0_21) (= 0 |v_ULTIMATE.start_main_~#t1946~0.offset_15|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t1946~0.base_21| 4)) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21| 1)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21|) |v_ULTIMATE.start_main_~#t1946~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~main$tmp_guard1~0_21) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21|)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_16|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_19|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_14|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1946~0.offset=|v_ULTIMATE.start_main_~#t1946~0.offset_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24, ULTIMATE.start_main_~#t1946~0.base=|v_ULTIMATE.start_main_~#t1946~0.base_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1947~0.offset, ULTIMATE.start_main_~#t1947~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1948~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t1946~0.offset, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1948~0.offset, ~x~0, ULTIMATE.start_main_~#t1946~0.base] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:30:14,506 INFO L280 TraceCheckUtils]: 1: Hoare triple {6198#(<= ~x~0 0)} [167] 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] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:30:14,507 INFO L280 TraceCheckUtils]: 2: Hoare triple {6198#(<= ~x~0 0)} [212] L770-1-->L772: Formula: (and (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12| 1)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12|) |v_ULTIMATE.start_main_~#t1947~0.offset_10| 1))) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1947~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1947~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1947~0.base_12| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_12|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1947~0.base, ULTIMATE.start_main_~#t1947~0.offset, #length] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:30:14,508 INFO L280 TraceCheckUtils]: 3: Hoare triple {6198#(<= ~x~0 0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= 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|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, 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_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:30:14,509 INFO L280 TraceCheckUtils]: 4: Hoare triple {6198#(<= ~x~0 0)} [169] 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] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:30:14,510 INFO L280 TraceCheckUtils]: 5: Hoare triple {6198#(<= ~x~0 0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |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|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, 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_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:14,510 INFO L280 TraceCheckUtils]: 6: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [198] L772-1-->L774: Formula: (and (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1948~0.base_9| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= |v_ULTIMATE.start_main_~#t1948~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9| 1) |v_#valid_27|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9|) |v_ULTIMATE.start_main_~#t1948~0.offset_9| 2))) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_9|, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1948~0.offset, ULTIMATE.start_main_~#t1948~0.base] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:14,511 INFO L280 TraceCheckUtils]: 7: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [171] 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] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:14,518 INFO L280 TraceCheckUtils]: 8: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) 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_11} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:14,519 INFO L280 TraceCheckUtils]: 9: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:14,521 INFO L280 TraceCheckUtils]: 10: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6200#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:14,522 INFO L280 TraceCheckUtils]: 11: Hoare triple {6200#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {6197#false} is VALID [2020-07-28 21:30:14,523 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 21:30:14,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910397527] [2020-07-28 21:30:14,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:14,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:30:14,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186254949] [2020-07-28 21:30:14,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:30:14,525 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:14,525 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:30:14,544 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 21:30:14,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:30:14,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:14,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:30:14,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:30:14,545 INFO L87 Difference]: Start difference. First operand 224 states and 610 transitions. Second operand 5 states. [2020-07-28 21:30:14,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:14,703 INFO L93 Difference]: Finished difference Result 293 states and 773 transitions. [2020-07-28 21:30:14,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:30:14,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:30:14,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:14,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:30:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2020-07-28 21:30:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:30:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2020-07-28 21:30:14,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 52 transitions. [2020-07-28 21:30:14,773 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:14,776 INFO L225 Difference]: With dead ends: 293 [2020-07-28 21:30:14,777 INFO L226 Difference]: Without dead ends: 146 [2020-07-28 21:30:14,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:30:14,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-28 21:30:14,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:14,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-07-28 21:30:14,827 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:14,827 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand 146 states. [2020-07-28 21:30:14,827 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:30:14,828 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:30:14,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:14,832 INFO L93 Difference]: Finished difference Result 146 states and 358 transitions. [2020-07-28 21:30:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:30:14,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:14,833 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:14,833 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:30:14,833 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:30:14,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:14,838 INFO L93 Difference]: Finished difference Result 146 states and 358 transitions. [2020-07-28 21:30:14,838 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:30:14,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:14,838 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:14,838 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:14,839 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-28 21:30:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 358 transitions. [2020-07-28 21:30:14,843 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 358 transitions. Word has length 12 [2020-07-28 21:30:14,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:14,843 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 358 transitions. [2020-07-28 21:30:14,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:30:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:30:14,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:30:14,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:14,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:14,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:30:14,844 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:14,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:14,845 INFO L82 PathProgramCache]: Analyzing trace with hash 257080554, now seen corresponding path program 1 times [2020-07-28 21:30:14,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:14,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895949909] [2020-07-28 21:30:14,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:14,917 INFO L280 TraceCheckUtils]: 0: Hoare triple {7086#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1946~0.base_21|) (= 0 v_~y~0_21) (= 0 |v_ULTIMATE.start_main_~#t1946~0.offset_15|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t1946~0.base_21| 4)) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21| 1)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21|) |v_ULTIMATE.start_main_~#t1946~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~main$tmp_guard1~0_21) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21|)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_16|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_19|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_14|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1946~0.offset=|v_ULTIMATE.start_main_~#t1946~0.offset_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24, ULTIMATE.start_main_~#t1946~0.base=|v_ULTIMATE.start_main_~#t1946~0.base_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1947~0.offset, ULTIMATE.start_main_~#t1947~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1948~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t1946~0.offset, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1948~0.offset, ~x~0, ULTIMATE.start_main_~#t1946~0.base] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:30:14,918 INFO L280 TraceCheckUtils]: 1: Hoare triple {7088#(= 0 ~y~0)} [167] 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] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:30:14,919 INFO L280 TraceCheckUtils]: 2: Hoare triple {7088#(= 0 ~y~0)} [212] L770-1-->L772: Formula: (and (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12| 1)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12|) |v_ULTIMATE.start_main_~#t1947~0.offset_10| 1))) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1947~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1947~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1947~0.base_12| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_12|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1947~0.base, ULTIMATE.start_main_~#t1947~0.offset, #length] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:30:14,919 INFO L280 TraceCheckUtils]: 3: Hoare triple {7088#(= 0 ~y~0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= 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|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, 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_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:30:14,920 INFO L280 TraceCheckUtils]: 4: Hoare triple {7088#(= 0 ~y~0)} [150] L717-->L720: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:30:14,921 INFO L280 TraceCheckUtils]: 5: Hoare triple {7088#(= 0 ~y~0)} [169] 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] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:30:14,921 INFO L280 TraceCheckUtils]: 6: Hoare triple {7088#(= 0 ~y~0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |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|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, 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_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:30:14,922 INFO L280 TraceCheckUtils]: 7: Hoare triple {7088#(= 0 ~y~0)} [198] L772-1-->L774: Formula: (and (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1948~0.base_9| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= |v_ULTIMATE.start_main_~#t1948~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9| 1) |v_#valid_27|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9|) |v_ULTIMATE.start_main_~#t1948~0.offset_9| 2))) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_9|, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1948~0.offset, ULTIMATE.start_main_~#t1948~0.base] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:30:14,923 INFO L280 TraceCheckUtils]: 8: Hoare triple {7088#(= 0 ~y~0)} [171] 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] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:30:14,924 INFO L280 TraceCheckUtils]: 9: Hoare triple {7088#(= 0 ~y~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) 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_11} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {7089#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:30:14,924 INFO L280 TraceCheckUtils]: 10: Hoare triple {7089#(= 0 ~__unbuffered_p2_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {7089#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:30:14,925 INFO L280 TraceCheckUtils]: 11: Hoare triple {7089#(= 0 ~__unbuffered_p2_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {7090#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:14,926 INFO L280 TraceCheckUtils]: 12: Hoare triple {7090#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {7087#false} is VALID [2020-07-28 21:30:14,927 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 21:30:14,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895949909] [2020-07-28 21:30:14,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:14,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:30:14,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692351443] [2020-07-28 21:30:14,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:30:14,928 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:14,929 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:30:14,948 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 21:30:14,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:30:14,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:14,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:30:14,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:30:14,949 INFO L87 Difference]: Start difference. First operand 146 states and 358 transitions. Second operand 5 states. [2020-07-28 21:30:15,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:15,071 INFO L93 Difference]: Finished difference Result 176 states and 423 transitions. [2020-07-28 21:30:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:30:15,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:30:15,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:30:15,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2020-07-28 21:30:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:30:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2020-07-28 21:30:15,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 42 transitions. [2020-07-28 21:30:15,135 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:15,137 INFO L225 Difference]: With dead ends: 176 [2020-07-28 21:30:15,137 INFO L226 Difference]: Without dead ends: 98 [2020-07-28 21:30:15,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:30:15,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-28 21:30:15,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,159 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,159 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,159 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,161 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,161 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,162 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,162 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,163 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,163 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,163 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,164 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,164 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,165 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,165 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,165 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,166 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,166 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,167 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,167 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,168 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,168 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,168 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,169 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,169 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,169 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:15,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-07-28 21:30:15,172 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:15,172 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand 98 states. [2020-07-28 21:30:15,172 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 98 states. [2020-07-28 21:30:15,173 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 98 states. [2020-07-28 21:30:15,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:15,177 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-07-28 21:30:15,177 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:30:15,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:15,178 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:15,178 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 98 states. [2020-07-28 21:30:15,178 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 98 states. [2020-07-28 21:30:15,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:15,181 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-07-28 21:30:15,182 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:30:15,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:15,182 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:15,183 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:15,183 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-07-28 21:30:15,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-07-28 21:30:15,188 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13 [2020-07-28 21:30:15,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:15,189 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-07-28 21:30:15,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:30:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:30:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:30:15,190 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:15,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:15,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:30:15,191 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:15,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:15,192 INFO L82 PathProgramCache]: Analyzing trace with hash -647415272, now seen corresponding path program 1 times [2020-07-28 21:30:15,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:15,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967444695] [2020-07-28 21:30:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:15,267 INFO L280 TraceCheckUtils]: 0: Hoare triple {7667#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1946~0.base_21|) (= 0 v_~y~0_21) (= 0 |v_ULTIMATE.start_main_~#t1946~0.offset_15|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t1946~0.base_21| 4)) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21| 1)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1946~0.base_21|) |v_ULTIMATE.start_main_~#t1946~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~main$tmp_guard1~0_21) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1946~0.base_21|)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_16|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_19|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_14|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1946~0.offset=|v_ULTIMATE.start_main_~#t1946~0.offset_15|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24, ULTIMATE.start_main_~#t1946~0.base=|v_ULTIMATE.start_main_~#t1946~0.base_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1947~0.offset, ULTIMATE.start_main_~#t1947~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1948~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t1946~0.offset, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1948~0.offset, ~x~0, ULTIMATE.start_main_~#t1946~0.base] {7669#(= 0 ~z~0)} is VALID [2020-07-28 21:30:15,268 INFO L280 TraceCheckUtils]: 1: Hoare triple {7669#(= 0 ~z~0)} [167] 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] {7669#(= 0 ~z~0)} is VALID [2020-07-28 21:30:15,269 INFO L280 TraceCheckUtils]: 2: Hoare triple {7669#(= 0 ~z~0)} [212] L770-1-->L772: Formula: (and (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12| 1)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t1947~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1947~0.base_12|) |v_ULTIMATE.start_main_~#t1947~0.offset_10| 1))) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1947~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1947~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1947~0.base_12| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1947~0.base=|v_ULTIMATE.start_main_~#t1947~0.base_12|, ULTIMATE.start_main_~#t1947~0.offset=|v_ULTIMATE.start_main_~#t1947~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1947~0.base, ULTIMATE.start_main_~#t1947~0.offset, #length] {7669#(= 0 ~z~0)} is VALID [2020-07-28 21:30:15,271 INFO L280 TraceCheckUtils]: 3: Hoare triple {7669#(= 0 ~z~0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= 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|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, 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_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:15,272 INFO L280 TraceCheckUtils]: 4: Hoare triple {7670#(= 0 ~__unbuffered_p0_EAX~0)} [150] L717-->L720: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:15,273 INFO L280 TraceCheckUtils]: 5: Hoare triple {7670#(= 0 ~__unbuffered_p0_EAX~0)} [169] 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] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:15,274 INFO L280 TraceCheckUtils]: 6: Hoare triple {7670#(= 0 ~__unbuffered_p0_EAX~0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |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|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, 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_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:15,275 INFO L280 TraceCheckUtils]: 7: Hoare triple {7670#(= 0 ~__unbuffered_p0_EAX~0)} [198] L772-1-->L774: Formula: (and (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1948~0.base_9| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= |v_ULTIMATE.start_main_~#t1948~0.offset_9| 0) (not (= 0 |v_ULTIMATE.start_main_~#t1948~0.base_9|)) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1948~0.base_9| 1) |v_#valid_27|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1948~0.base_9|) |v_ULTIMATE.start_main_~#t1948~0.offset_9| 2))) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1948~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1948~0.offset=|v_ULTIMATE.start_main_~#t1948~0.offset_9|, ULTIMATE.start_main_~#t1948~0.base=|v_ULTIMATE.start_main_~#t1948~0.base_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1948~0.offset, ULTIMATE.start_main_~#t1948~0.base] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:15,276 INFO L280 TraceCheckUtils]: 8: Hoare triple {7670#(= 0 ~__unbuffered_p0_EAX~0)} [171] 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] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:15,277 INFO L280 TraceCheckUtils]: 9: Hoare triple {7670#(= 0 ~__unbuffered_p0_EAX~0)} [156] L732-->L735: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:15,278 INFO L280 TraceCheckUtils]: 10: Hoare triple {7670#(= 0 ~__unbuffered_p0_EAX~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) 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_11} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:15,279 INFO L280 TraceCheckUtils]: 11: Hoare triple {7670#(= 0 ~__unbuffered_p0_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:30:15,281 INFO L280 TraceCheckUtils]: 12: Hoare triple {7670#(= 0 ~__unbuffered_p0_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {7671#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:15,282 INFO L280 TraceCheckUtils]: 13: Hoare triple {7671#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {7668#false} is VALID [2020-07-28 21:30:15,283 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 21:30:15,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967444695] [2020-07-28 21:30:15,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:15,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:30:15,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120451537] [2020-07-28 21:30:15,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:30:15,285 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:15,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:30:15,307 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 21:30:15,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:30:15,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:15,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:30:15,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:30:15,308 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 5 states. [2020-07-28 21:30:15,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:15,425 INFO L93 Difference]: Finished difference Result 86 states and 186 transitions. [2020-07-28 21:30:15,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:30:15,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:30:15,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:30:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2020-07-28 21:30:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:30:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2020-07-28 21:30:15,427 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 29 transitions. [2020-07-28 21:30:15,466 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:15,466 INFO L225 Difference]: With dead ends: 86 [2020-07-28 21:30:15,466 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:30:15,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:30:15,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:30:15,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:30:15,467 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:15,467 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:30:15,468 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:30:15,468 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:30:15,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:15,468 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:30:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:30:15,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:15,469 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:15,469 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:30:15,469 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:30:15,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:15,469 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:30:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:30:15,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:15,470 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:15,470 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:15,470 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:30:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:30:15,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-07-28 21:30:15,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:15,471 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:30:15,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:30:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:30:15,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:15,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:30:15,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:30:15 BasicIcfg [2020-07-28 21:30:15,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:30:15,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:30:15,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:30:15,477 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:30:15,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:30:09" (3/4) ... [2020-07-28 21:30:15,481 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:30:15,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:30:15,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:30:15,488 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:30:15,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:30:15,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:30:15,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:30:15,542 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:30:15,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:30:15,545 INFO L168 Benchmark]: Toolchain (without parser) took 7038.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 276.8 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. [2020-07-28 21:30:15,546 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:30:15,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -103.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:30:15,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:30:15,548 INFO L168 Benchmark]: Boogie Preprocessor took 28.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:30:15,548 INFO L168 Benchmark]: RCFGBuilder took 575.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2020-07-28 21:30:15,549 INFO L168 Benchmark]: TraceAbstraction took 5509.95 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -128.8 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2020-07-28 21:30:15,549 INFO L168 Benchmark]: Witness Printer took 65.68 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:30:15,552 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 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 795.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -103.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 575.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5509.95 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -128.8 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * Witness Printer took 65.68 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.2s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 688 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 2463 CheckedPairsTotal, 57 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 156 SDtfs, 154 SDslu, 205 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...