./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe018_tso.opt.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe018_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4375257f781dbf0ab4bfd092a0dab62be45c5537 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:37:16,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:37:16,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:37:16,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:37:16,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:37:16,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:37:16,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:37:16,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:37:16,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:37:16,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:37:16,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:37:16,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:37:16,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:37:16,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:37:16,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:37:16,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:37:16,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:37:16,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:37:16,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:37:16,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:37:16,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:37:16,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:37:16,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:37:16,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:37:16,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:37:16,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:37:16,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:37:16,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:37:16,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:37:16,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:37:16,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:37:16,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:37:16,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:37:16,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:37:16,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:37:16,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:37:16,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:37:16,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:37:16,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:37:16,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:37:16,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:37:16,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:37:16,207 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:37:16,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:37:16,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:37:16,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:37:16,209 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:37:16,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:37:16,210 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:37:16,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:37:16,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:37:16,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:37:16,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:37:16,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:37:16,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:37:16,212 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:37:16,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:37:16,212 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:37:16,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:37:16,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:37:16,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:37:16,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:37:16,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:37:16,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:37:16,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:37:16,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:37:16,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:37:16,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:37:16,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:37:16,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:37:16,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:37:16,216 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 -> 4375257f781dbf0ab4bfd092a0dab62be45c5537 [2020-07-28 21:37:16,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:37:16,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:37:16,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:37:16,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:37:16,545 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:37:16,546 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe018_tso.opt.i [2020-07-28 21:37:16,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194abdaf5/4fd7db238aa747bfa40befb9381dd984/FLAGb48c19e5f [2020-07-28 21:37:17,169 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:37:17,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe018_tso.opt.i [2020-07-28 21:37:17,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194abdaf5/4fd7db238aa747bfa40befb9381dd984/FLAGb48c19e5f [2020-07-28 21:37:17,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194abdaf5/4fd7db238aa747bfa40befb9381dd984 [2020-07-28 21:37:17,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:37:17,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:37:17,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:37:17,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:37:17,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:37:17,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:37:17" (1/1) ... [2020-07-28 21:37:17,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535af660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:17, skipping insertion in model container [2020-07-28 21:37:17,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:37:17" (1/1) ... [2020-07-28 21:37:17,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:37:17,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:37:18,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:37:18,153 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:37:18,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:37:18,322 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:37:18,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18 WrapperNode [2020-07-28 21:37:18,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:37:18,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:37:18,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:37:18,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:37:18,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (1/1) ... [2020-07-28 21:37:18,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (1/1) ... [2020-07-28 21:37:18,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:37:18,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:37:18,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:37:18,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:37:18,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (1/1) ... [2020-07-28 21:37:18,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (1/1) ... [2020-07-28 21:37:18,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (1/1) ... [2020-07-28 21:37:18,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (1/1) ... [2020-07-28 21:37:18,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (1/1) ... [2020-07-28 21:37:18,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (1/1) ... [2020-07-28 21:37:18,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (1/1) ... [2020-07-28 21:37:18,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:37:18,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:37:18,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:37:18,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:37:18,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (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 21:37:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:37:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:37:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:37:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:37:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:37:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:37:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:37:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:37:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:37:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:37:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:37:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:37:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:37:18,482 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 21:37:18,966 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:37:18,966 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:37:18,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:37:18 BoogieIcfgContainer [2020-07-28 21:37:18,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:37:18,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:37:18,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:37:18,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:37:18,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:37:17" (1/3) ... [2020-07-28 21:37:18,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e5c917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:37:18, skipping insertion in model container [2020-07-28 21:37:18,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:37:18" (2/3) ... [2020-07-28 21:37:18,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e5c917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:37:18, skipping insertion in model container [2020-07-28 21:37:18,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:37:18" (3/3) ... [2020-07-28 21:37:18,979 INFO L109 eAbstractionObserver]: Analyzing ICFG safe018_tso.opt.i [2020-07-28 21:37:18,989 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:37:18,989 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:37:18,997 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:37:18,998 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:37:19,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,026 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,027 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,028 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,029 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,030 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,031 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,036 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,036 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,046 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,047 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,047 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,047 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,050 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,050 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:37:19,069 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:37:19,090 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:37:19,091 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:37:19,091 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:37:19,091 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:37:19,091 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:37:19,091 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:37:19,092 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:37:19,092 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:37:19,108 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 153 flow [2020-07-28 21:37:19,110 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-07-28 21:37:19,157 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-07-28 21:37:19,157 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:37:19,168 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 66 events. 2/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-07-28 21:37:19,171 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-07-28 21:37:19,214 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-07-28 21:37:19,215 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:37:19,216 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 66 events. 2/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-07-28 21:37:19,219 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1178 [2020-07-28 21:37:19,220 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:37:21,458 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1996 [2020-07-28 21:37:21,458 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2020-07-28 21:37:21,463 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 55 flow [2020-07-28 21:37:21,485 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 226 states. [2020-07-28 21:37:21,487 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-07-28 21:37:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:37:21,496 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:37:21,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:37:21,497 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:37:21,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:37:21,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1153400973, now seen corresponding path program 1 times [2020-07-28 21:37:21,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:37:21,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258188611] [2020-07-28 21:37:21,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:37:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:37:21,765 INFO L280 TraceCheckUtils]: 0: Hoare triple {532#true} [225] ULTIMATE.startENTRY-->L765: Formula: (let ((.cse0 (store |v_#valid_71| 0 0))) (and (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t2222~0.base_31|) (= 0 |v_#NULL.base_2|) (= v_~__unbuffered_p0_EBX~0_48 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31|)) (= 0 v_~x~0_39) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t2222~0.base_31| 4)) (= 0 v_~y~0_22) (= 0 |v_ULTIMATE.start_main_~#t2222~0.offset_21|) (= 0 v_~__unbuffered_cnt~0_97) (= 0 v_~__unbuffered_p0_EAX~0_44) (< 0 |v_#StackHeapBarrier_16|) (= 0 v_~main$tmp_guard0~0_34) (= 0 |v_#NULL.offset_2|) (= 0 v_~__unbuffered_p2_EAX~0_39) (= |v_#valid_70| (store .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31| 1)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31|) |v_ULTIMATE.start_main_~#t2222~0.offset_21| 0)) |v_#memory_int_19|) (= 0 v_~main$tmp_guard1~0_37))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_71|, #memory_int=|v_#memory_int_20|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_19|, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_48, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_2|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_24|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_37, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_25|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_18|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_23|, #valid=|v_#valid_70|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2222~0.offset=|v_ULTIMATE.start_main_~#t2222~0.offset_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_39, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97, ULTIMATE.start_main_~#t2222~0.base=|v_ULTIMATE.start_main_~#t2222~0.base_31|, ~y~0=v_~y~0_22, ~x~0=v_~x~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.offset, ~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2223~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2224~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2222~0.offset, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2222~0.base, ~y~0, ~x~0] {534#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:37:21,766 INFO L280 TraceCheckUtils]: 1: Hoare triple {534#(= 0 ~__unbuffered_p2_EAX~0)} [162] L765-->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] {534#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:37:21,767 INFO L280 TraceCheckUtils]: 2: Hoare triple {534#(= 0 ~__unbuffered_p2_EAX~0)} [201] L765-1-->L767: Formula: (and (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (not (= 0 |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (= 0 |v_ULTIMATE.start_main_~#t2223~0.offset_10|) (= (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11| 1) |v_#valid_31|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11|) |v_ULTIMATE.start_main_~#t2223~0.offset_10| 1)) |v_#memory_int_13|) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t2223~0.base_11| 4) |v_#length_17|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2223~0.base, #length] {534#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:37:21,767 INFO L280 TraceCheckUtils]: 3: Hoare triple {534#(= 0 ~__unbuffered_p2_EAX~0)} [164] L767-->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] {534#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:37:21,768 INFO L280 TraceCheckUtils]: 4: Hoare triple {534#(= 0 ~__unbuffered_p2_EAX~0)} [199] L767-1-->L769: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2224~0.offset_10|) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2224~0.base_10| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2224~0.base_10|) (= |v_#valid_29| (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10| 1)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10|) |v_ULTIMATE.start_main_~#t2224~0.offset_10| 2)) |v_#memory_int_11|) (not (= 0 |v_ULTIMATE.start_main_~#t2224~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_10|, ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.base, ULTIMATE.start_main_~#t2224~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {534#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:37:21,769 INFO L280 TraceCheckUtils]: 5: Hoare triple {534#(= 0 ~__unbuffered_p2_EAX~0)} [166] L769-->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] {534#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:37:21,770 INFO L280 TraceCheckUtils]: 6: Hoare triple {534#(= 0 ~__unbuffered_p2_EAX~0)} [198] L769-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_45))) (or (and (= 0 v_~main$tmp_guard0~0_19) (not .cse0)) (and (= 1 v_~main$tmp_guard0~0_19) .cse0))) (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_8, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {534#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:37:21,771 INFO L280 TraceCheckUtils]: 7: Hoare triple {534#(= 0 ~__unbuffered_p2_EAX~0)} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p0_EAX~0_37) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|) (= 1 v_~__unbuffered_p2_EAX~0_32) (= v_~__unbuffered_p0_EBX~0_39 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 0 v_~main$tmp_guard1~0_29) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15| (mod v_~main$tmp_guard1~0_29 256))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {533#false} is VALID [2020-07-28 21:37:21,773 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 21:37:21,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258188611] [2020-07-28 21:37:21,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:37:21,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:37:21,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499534577] [2020-07-28 21:37:21,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:37:21,786 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:37:21,790 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:37:21,816 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 21:37:21,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:37:21,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:37:21,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:37:21,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:37:21,831 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-07-28 21:37:21,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:21,951 INFO L93 Difference]: Finished difference Result 214 states and 593 transitions. [2020-07-28 21:37:21,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:37:21,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:37:21,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:37:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:37:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2020-07-28 21:37:21,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:37:21,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2020-07-28 21:37:21,956 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 25 transitions. [2020-07-28 21:37:21,993 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:37:22,016 INFO L225 Difference]: With dead ends: 214 [2020-07-28 21:37:22,016 INFO L226 Difference]: Without dead ends: 166 [2020-07-28 21:37:22,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:37:22,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-28 21:37:22,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,061 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,077 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,077 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,077 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,077 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,078 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,078 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,078 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,078 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,078 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-07-28 21:37:22,104 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:37:22,105 INFO L82 GeneralOperation]: Start isEquivalent. First operand 166 states. Second operand 166 states. [2020-07-28 21:37:22,105 INFO L74 IsIncluded]: Start isIncluded. First operand 166 states. Second operand 166 states. [2020-07-28 21:37:22,105 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 166 states. [2020-07-28 21:37:22,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:22,127 INFO L93 Difference]: Finished difference Result 166 states and 441 transitions. [2020-07-28 21:37:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 441 transitions. [2020-07-28 21:37:22,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:22,131 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:22,131 INFO L74 IsIncluded]: Start isIncluded. First operand 166 states. Second operand 166 states. [2020-07-28 21:37:22,131 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 166 states. [2020-07-28 21:37:22,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:22,154 INFO L93 Difference]: Finished difference Result 166 states and 441 transitions. [2020-07-28 21:37:22,154 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 441 transitions. [2020-07-28 21:37:22,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:22,164 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:22,165 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:37:22,165 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:37:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-28 21:37:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 441 transitions. [2020-07-28 21:37:22,190 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 441 transitions. Word has length 8 [2020-07-28 21:37:22,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:37:22,190 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 441 transitions. [2020-07-28 21:37:22,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:37:22,190 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 441 transitions. [2020-07-28 21:37:22,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:37:22,192 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:37:22,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:37:22,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:37:22,193 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:37:22,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:37:22,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1395710546, now seen corresponding path program 1 times [2020-07-28 21:37:22,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:37:22,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740651625] [2020-07-28 21:37:22,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:37:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:37:22,341 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} [225] ULTIMATE.startENTRY-->L765: Formula: (let ((.cse0 (store |v_#valid_71| 0 0))) (and (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t2222~0.base_31|) (= 0 |v_#NULL.base_2|) (= v_~__unbuffered_p0_EBX~0_48 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31|)) (= 0 v_~x~0_39) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t2222~0.base_31| 4)) (= 0 v_~y~0_22) (= 0 |v_ULTIMATE.start_main_~#t2222~0.offset_21|) (= 0 v_~__unbuffered_cnt~0_97) (= 0 v_~__unbuffered_p0_EAX~0_44) (< 0 |v_#StackHeapBarrier_16|) (= 0 v_~main$tmp_guard0~0_34) (= 0 |v_#NULL.offset_2|) (= 0 v_~__unbuffered_p2_EAX~0_39) (= |v_#valid_70| (store .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31| 1)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31|) |v_ULTIMATE.start_main_~#t2222~0.offset_21| 0)) |v_#memory_int_19|) (= 0 v_~main$tmp_guard1~0_37))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_71|, #memory_int=|v_#memory_int_20|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_19|, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_48, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_2|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_24|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_37, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_25|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_18|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_23|, #valid=|v_#valid_70|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2222~0.offset=|v_ULTIMATE.start_main_~#t2222~0.offset_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_39, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97, ULTIMATE.start_main_~#t2222~0.base=|v_ULTIMATE.start_main_~#t2222~0.base_31|, ~y~0=v_~y~0_22, ~x~0=v_~x~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.offset, ~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2223~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2224~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2222~0.offset, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2222~0.base, ~y~0, ~x~0] {1417#(= 0 ~x~0)} is VALID [2020-07-28 21:37:22,343 INFO L280 TraceCheckUtils]: 1: Hoare triple {1417#(= 0 ~x~0)} [162] L765-->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] {1417#(= 0 ~x~0)} is VALID [2020-07-28 21:37:22,344 INFO L280 TraceCheckUtils]: 2: Hoare triple {1417#(= 0 ~x~0)} [201] L765-1-->L767: Formula: (and (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (not (= 0 |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (= 0 |v_ULTIMATE.start_main_~#t2223~0.offset_10|) (= (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11| 1) |v_#valid_31|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11|) |v_ULTIMATE.start_main_~#t2223~0.offset_10| 1)) |v_#memory_int_13|) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t2223~0.base_11| 4) |v_#length_17|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2223~0.base, #length] {1417#(= 0 ~x~0)} is VALID [2020-07-28 21:37:22,344 INFO L280 TraceCheckUtils]: 3: Hoare triple {1417#(= 0 ~x~0)} [164] L767-->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] {1417#(= 0 ~x~0)} is VALID [2020-07-28 21:37:22,346 INFO L280 TraceCheckUtils]: 4: Hoare triple {1417#(= 0 ~x~0)} [199] L767-1-->L769: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2224~0.offset_10|) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2224~0.base_10| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2224~0.base_10|) (= |v_#valid_29| (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10| 1)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10|) |v_ULTIMATE.start_main_~#t2224~0.offset_10| 2)) |v_#memory_int_11|) (not (= 0 |v_ULTIMATE.start_main_~#t2224~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_10|, ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.base, ULTIMATE.start_main_~#t2224~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {1417#(= 0 ~x~0)} is VALID [2020-07-28 21:37:22,346 INFO L280 TraceCheckUtils]: 5: Hoare triple {1417#(= 0 ~x~0)} [166] L769-->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] {1417#(= 0 ~x~0)} is VALID [2020-07-28 21:37:22,347 INFO L280 TraceCheckUtils]: 6: Hoare triple {1417#(= 0 ~x~0)} [179] P2ENTRY-->L742: Formula: (and (= v_~__unbuffered_p2_EAX~0_9 v_~x~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} 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_9, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {1418#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:37:22,347 INFO L280 TraceCheckUtils]: 7: Hoare triple {1418#(= 0 ~__unbuffered_p2_EAX~0)} [198] L769-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_45))) (or (and (= 0 v_~main$tmp_guard0~0_19) (not .cse0)) (and (= 1 v_~main$tmp_guard0~0_19) .cse0))) (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_8, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {1418#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:37:22,348 INFO L280 TraceCheckUtils]: 8: Hoare triple {1418#(= 0 ~__unbuffered_p2_EAX~0)} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p0_EAX~0_37) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|) (= 1 v_~__unbuffered_p2_EAX~0_32) (= v_~__unbuffered_p0_EBX~0_39 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 0 v_~main$tmp_guard1~0_29) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15| (mod v_~main$tmp_guard1~0_29 256))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {1416#false} is VALID [2020-07-28 21:37:22,349 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 21:37:22,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740651625] [2020-07-28 21:37:22,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:37:22,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:37:22,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491918213] [2020-07-28 21:37:22,353 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:37:22,353 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:37:22,353 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:37:22,370 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 21:37:22,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:37:22,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:37:22,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:37:22,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:37:22,371 INFO L87 Difference]: Start difference. First operand 166 states and 441 transitions. Second operand 4 states. [2020-07-28 21:37:22,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:22,468 INFO L93 Difference]: Finished difference Result 202 states and 516 transitions. [2020-07-28 21:37:22,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:37:22,468 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:37:22,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:37:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:37:22,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2020-07-28 21:37:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:37:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2020-07-28 21:37:22,471 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 34 transitions. [2020-07-28 21:37:22,515 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:37:22,520 INFO L225 Difference]: With dead ends: 202 [2020-07-28 21:37:22,520 INFO L226 Difference]: Without dead ends: 130 [2020-07-28 21:37:22,521 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 21:37:22,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-28 21:37:22,529 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,530 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,530 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,531 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,531 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,531 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,531 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,532 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,532 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,532 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,533 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,533 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,533 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,533 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,534 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,534 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,534 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,535 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,535 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,535 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,535 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,536 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,536 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,536 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,537 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,537 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,537 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,537 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,538 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,538 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,538 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,539 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,539 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,539 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,539 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,540 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,540 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,540 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,540 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,541 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,541 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,541 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,542 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,542 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,542 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,542 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,543 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,543 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,543 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,543 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,544 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,544 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,544 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,544 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,545 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,545 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,545 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,546 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,547 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,548 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,548 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,548 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-28 21:37:22,567 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:37:22,567 INFO L82 GeneralOperation]: Start isEquivalent. First operand 130 states. Second operand 130 states. [2020-07-28 21:37:22,567 INFO L74 IsIncluded]: Start isIncluded. First operand 130 states. Second operand 130 states. [2020-07-28 21:37:22,567 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 130 states. [2020-07-28 21:37:22,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:22,575 INFO L93 Difference]: Finished difference Result 130 states and 322 transitions. [2020-07-28 21:37:22,575 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 322 transitions. [2020-07-28 21:37:22,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:22,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:22,576 INFO L74 IsIncluded]: Start isIncluded. First operand 130 states. Second operand 130 states. [2020-07-28 21:37:22,576 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 130 states. [2020-07-28 21:37:22,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:22,584 INFO L93 Difference]: Finished difference Result 130 states and 322 transitions. [2020-07-28 21:37:22,584 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 322 transitions. [2020-07-28 21:37:22,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:22,585 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:22,585 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:37:22,585 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:37:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-28 21:37:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 322 transitions. [2020-07-28 21:37:22,593 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 322 transitions. Word has length 9 [2020-07-28 21:37:22,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:37:22,593 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 322 transitions. [2020-07-28 21:37:22,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:37:22,594 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 322 transitions. [2020-07-28 21:37:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:37:22,594 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:37:22,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:37:22,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:37:22,595 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:37:22,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:37:22,596 INFO L82 PathProgramCache]: Analyzing trace with hash -316797667, now seen corresponding path program 1 times [2020-07-28 21:37:22,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:37:22,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893327274] [2020-07-28 21:37:22,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:37:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:37:22,684 INFO L280 TraceCheckUtils]: 0: Hoare triple {2145#true} [225] ULTIMATE.startENTRY-->L765: Formula: (let ((.cse0 (store |v_#valid_71| 0 0))) (and (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t2222~0.base_31|) (= 0 |v_#NULL.base_2|) (= v_~__unbuffered_p0_EBX~0_48 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31|)) (= 0 v_~x~0_39) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t2222~0.base_31| 4)) (= 0 v_~y~0_22) (= 0 |v_ULTIMATE.start_main_~#t2222~0.offset_21|) (= 0 v_~__unbuffered_cnt~0_97) (= 0 v_~__unbuffered_p0_EAX~0_44) (< 0 |v_#StackHeapBarrier_16|) (= 0 v_~main$tmp_guard0~0_34) (= 0 |v_#NULL.offset_2|) (= 0 v_~__unbuffered_p2_EAX~0_39) (= |v_#valid_70| (store .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31| 1)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31|) |v_ULTIMATE.start_main_~#t2222~0.offset_21| 0)) |v_#memory_int_19|) (= 0 v_~main$tmp_guard1~0_37))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_71|, #memory_int=|v_#memory_int_20|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_19|, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_48, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_2|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_24|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_37, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_25|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_18|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_23|, #valid=|v_#valid_70|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2222~0.offset=|v_ULTIMATE.start_main_~#t2222~0.offset_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_39, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97, ULTIMATE.start_main_~#t2222~0.base=|v_ULTIMATE.start_main_~#t2222~0.base_31|, ~y~0=v_~y~0_22, ~x~0=v_~x~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.offset, ~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2223~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2224~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2222~0.offset, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2222~0.base, ~y~0, ~x~0] {2147#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,685 INFO L280 TraceCheckUtils]: 1: Hoare triple {2147#(= 0 ~__unbuffered_p0_EAX~0)} [162] L765-->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] {2147#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,686 INFO L280 TraceCheckUtils]: 2: Hoare triple {2147#(= 0 ~__unbuffered_p0_EAX~0)} [201] L765-1-->L767: Formula: (and (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (not (= 0 |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (= 0 |v_ULTIMATE.start_main_~#t2223~0.offset_10|) (= (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11| 1) |v_#valid_31|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11|) |v_ULTIMATE.start_main_~#t2223~0.offset_10| 1)) |v_#memory_int_13|) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t2223~0.base_11| 4) |v_#length_17|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2223~0.base, #length] {2147#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,687 INFO L280 TraceCheckUtils]: 3: Hoare triple {2147#(= 0 ~__unbuffered_p0_EAX~0)} [164] L767-->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] {2147#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,687 INFO L280 TraceCheckUtils]: 4: Hoare triple {2147#(= 0 ~__unbuffered_p0_EAX~0)} [199] L767-1-->L769: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2224~0.offset_10|) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2224~0.base_10| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2224~0.base_10|) (= |v_#valid_29| (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10| 1)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10|) |v_ULTIMATE.start_main_~#t2224~0.offset_10| 2)) |v_#memory_int_11|) (not (= 0 |v_ULTIMATE.start_main_~#t2224~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_10|, ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.base, ULTIMATE.start_main_~#t2224~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {2147#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,690 INFO L280 TraceCheckUtils]: 5: Hoare triple {2147#(= 0 ~__unbuffered_p0_EAX~0)} [166] L769-->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] {2147#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,690 INFO L280 TraceCheckUtils]: 6: Hoare triple {2147#(= 0 ~__unbuffered_p0_EAX~0)} [198] L769-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_45))) (or (and (= 0 v_~main$tmp_guard0~0_19) (not .cse0)) (and (= 1 v_~main$tmp_guard0~0_19) .cse0))) (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_8, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2147#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,691 INFO L280 TraceCheckUtils]: 7: Hoare triple {2147#(= 0 ~__unbuffered_p0_EAX~0)} [189] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_12) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_12} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {2147#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,692 INFO L280 TraceCheckUtils]: 8: Hoare triple {2147#(= 0 ~__unbuffered_p0_EAX~0)} [179] P2ENTRY-->L742: Formula: (and (= v_~__unbuffered_p2_EAX~0_9 v_~x~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} 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_9, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {2147#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,693 INFO L280 TraceCheckUtils]: 9: Hoare triple {2147#(= 0 ~__unbuffered_p0_EAX~0)} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p0_EAX~0_37) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|) (= 1 v_~__unbuffered_p2_EAX~0_32) (= v_~__unbuffered_p0_EBX~0_39 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 0 v_~main$tmp_guard1~0_29) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15| (mod v_~main$tmp_guard1~0_29 256))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2146#false} is VALID [2020-07-28 21:37:22,694 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 21:37:22,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893327274] [2020-07-28 21:37:22,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:37:22,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:37:22,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400374521] [2020-07-28 21:37:22,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-28 21:37:22,695 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:37:22,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:37:22,709 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 21:37:22,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:37:22,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:37:22,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:37:22,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:37:22,710 INFO L87 Difference]: Start difference. First operand 130 states and 322 transitions. Second operand 3 states. [2020-07-28 21:37:22,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:22,753 INFO L93 Difference]: Finished difference Result 124 states and 303 transitions. [2020-07-28 21:37:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:37:22,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-28 21:37:22,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:37:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:37:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:37:22,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:37:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:37:22,755 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 27 transitions. [2020-07-28 21:37:22,796 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:37:22,799 INFO L225 Difference]: With dead ends: 124 [2020-07-28 21:37:22,799 INFO L226 Difference]: Without dead ends: 124 [2020-07-28 21:37:22,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:37:22,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-28 21:37:22,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,828 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,828 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,828 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,828 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,829 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,829 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,829 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,830 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,830 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,830 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,830 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:22,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-07-28 21:37:22,834 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:37:22,834 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand 124 states. [2020-07-28 21:37:22,834 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 124 states. [2020-07-28 21:37:22,835 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 124 states. [2020-07-28 21:37:22,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:22,841 INFO L93 Difference]: Finished difference Result 124 states and 303 transitions. [2020-07-28 21:37:22,841 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 303 transitions. [2020-07-28 21:37:22,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:22,842 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:22,842 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 124 states. [2020-07-28 21:37:22,842 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 124 states. [2020-07-28 21:37:22,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:22,849 INFO L93 Difference]: Finished difference Result 124 states and 303 transitions. [2020-07-28 21:37:22,849 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 303 transitions. [2020-07-28 21:37:22,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:22,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:22,850 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:37:22,850 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:37:22,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-28 21:37:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 303 transitions. [2020-07-28 21:37:22,857 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 303 transitions. Word has length 10 [2020-07-28 21:37:22,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:37:22,857 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 303 transitions. [2020-07-28 21:37:22,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:37:22,857 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 303 transitions. [2020-07-28 21:37:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:37:22,858 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:37:22,858 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:37:22,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:37:22,859 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:37:22,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:37:22,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1215717328, now seen corresponding path program 1 times [2020-07-28 21:37:22,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:37:22,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191939106] [2020-07-28 21:37:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:37:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:37:22,919 INFO L280 TraceCheckUtils]: 0: Hoare triple {2770#true} [225] ULTIMATE.startENTRY-->L765: Formula: (let ((.cse0 (store |v_#valid_71| 0 0))) (and (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t2222~0.base_31|) (= 0 |v_#NULL.base_2|) (= v_~__unbuffered_p0_EBX~0_48 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31|)) (= 0 v_~x~0_39) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t2222~0.base_31| 4)) (= 0 v_~y~0_22) (= 0 |v_ULTIMATE.start_main_~#t2222~0.offset_21|) (= 0 v_~__unbuffered_cnt~0_97) (= 0 v_~__unbuffered_p0_EAX~0_44) (< 0 |v_#StackHeapBarrier_16|) (= 0 v_~main$tmp_guard0~0_34) (= 0 |v_#NULL.offset_2|) (= 0 v_~__unbuffered_p2_EAX~0_39) (= |v_#valid_70| (store .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31| 1)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31|) |v_ULTIMATE.start_main_~#t2222~0.offset_21| 0)) |v_#memory_int_19|) (= 0 v_~main$tmp_guard1~0_37))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_71|, #memory_int=|v_#memory_int_20|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_19|, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_48, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_2|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_24|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_37, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_25|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_18|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_23|, #valid=|v_#valid_70|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2222~0.offset=|v_ULTIMATE.start_main_~#t2222~0.offset_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_39, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97, ULTIMATE.start_main_~#t2222~0.base=|v_ULTIMATE.start_main_~#t2222~0.base_31|, ~y~0=v_~y~0_22, ~x~0=v_~x~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.offset, ~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2223~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2224~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2222~0.offset, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2222~0.base, ~y~0, ~x~0] {2772#(= 0 ~y~0)} is VALID [2020-07-28 21:37:22,920 INFO L280 TraceCheckUtils]: 1: Hoare triple {2772#(= 0 ~y~0)} [162] L765-->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] {2772#(= 0 ~y~0)} is VALID [2020-07-28 21:37:22,921 INFO L280 TraceCheckUtils]: 2: Hoare triple {2772#(= 0 ~y~0)} [183] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= v_~y~0_10 v_~__unbuffered_p0_EAX~0_11)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_10} 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|, ~y~0=v_~y~0_10, 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] {2773#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,921 INFO L280 TraceCheckUtils]: 3: Hoare triple {2773#(= 0 ~__unbuffered_p0_EAX~0)} [201] L765-1-->L767: Formula: (and (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (not (= 0 |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (= 0 |v_ULTIMATE.start_main_~#t2223~0.offset_10|) (= (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11| 1) |v_#valid_31|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11|) |v_ULTIMATE.start_main_~#t2223~0.offset_10| 1)) |v_#memory_int_13|) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t2223~0.base_11| 4) |v_#length_17|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2223~0.base, #length] {2773#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,922 INFO L280 TraceCheckUtils]: 4: Hoare triple {2773#(= 0 ~__unbuffered_p0_EAX~0)} [164] L767-->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] {2773#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,923 INFO L280 TraceCheckUtils]: 5: Hoare triple {2773#(= 0 ~__unbuffered_p0_EAX~0)} [199] L767-1-->L769: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2224~0.offset_10|) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2224~0.base_10| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2224~0.base_10|) (= |v_#valid_29| (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10| 1)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10|) |v_ULTIMATE.start_main_~#t2224~0.offset_10| 2)) |v_#memory_int_11|) (not (= 0 |v_ULTIMATE.start_main_~#t2224~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_10|, ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.base, ULTIMATE.start_main_~#t2224~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {2773#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,923 INFO L280 TraceCheckUtils]: 6: Hoare triple {2773#(= 0 ~__unbuffered_p0_EAX~0)} [166] L769-->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] {2773#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,924 INFO L280 TraceCheckUtils]: 7: Hoare triple {2773#(= 0 ~__unbuffered_p0_EAX~0)} [198] L769-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_45))) (or (and (= 0 v_~main$tmp_guard0~0_19) (not .cse0)) (and (= 1 v_~main$tmp_guard0~0_19) .cse0))) (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_8, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} 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] {2773#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,925 INFO L280 TraceCheckUtils]: 8: Hoare triple {2773#(= 0 ~__unbuffered_p0_EAX~0)} [189] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_12) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_12} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {2773#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,925 INFO L280 TraceCheckUtils]: 9: Hoare triple {2773#(= 0 ~__unbuffered_p0_EAX~0)} [179] P2ENTRY-->L742: Formula: (and (= v_~__unbuffered_p2_EAX~0_9 v_~x~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} 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_9, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {2773#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:37:22,926 INFO L280 TraceCheckUtils]: 10: Hoare triple {2773#(= 0 ~__unbuffered_p0_EAX~0)} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p0_EAX~0_37) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|) (= 1 v_~__unbuffered_p2_EAX~0_32) (= v_~__unbuffered_p0_EBX~0_39 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 0 v_~main$tmp_guard1~0_29) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15| (mod v_~main$tmp_guard1~0_29 256))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2771#false} is VALID [2020-07-28 21:37:22,927 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 21:37:22,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191939106] [2020-07-28 21:37:22,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:37:22,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:37:22,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637613769] [2020-07-28 21:37:22,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:37:22,929 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:37:22,929 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:37:22,944 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 21:37:22,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:37:22,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:37:22,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:37:22,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:37:22,945 INFO L87 Difference]: Start difference. First operand 124 states and 303 transitions. Second operand 4 states. [2020-07-28 21:37:23,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:23,005 INFO L93 Difference]: Finished difference Result 142 states and 336 transitions. [2020-07-28 21:37:23,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:37:23,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:37:23,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:37:23,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:37:23,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2020-07-28 21:37:23,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:37:23,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2020-07-28 21:37:23,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 28 transitions. [2020-07-28 21:37:23,043 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:37:23,045 INFO L225 Difference]: With dead ends: 142 [2020-07-28 21:37:23,045 INFO L226 Difference]: Without dead ends: 64 [2020-07-28 21:37:23,045 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 21:37:23,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-28 21:37:23,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-07-28 21:37:23,061 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:37:23,061 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 64 states. [2020-07-28 21:37:23,061 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2020-07-28 21:37:23,061 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2020-07-28 21:37:23,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:23,064 INFO L93 Difference]: Finished difference Result 64 states and 137 transitions. [2020-07-28 21:37:23,065 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2020-07-28 21:37:23,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:23,065 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:23,065 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2020-07-28 21:37:23,065 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2020-07-28 21:37:23,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:23,068 INFO L93 Difference]: Finished difference Result 64 states and 137 transitions. [2020-07-28 21:37:23,068 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2020-07-28 21:37:23,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:23,069 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:23,069 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:37:23,069 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:37:23,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-28 21:37:23,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 137 transitions. [2020-07-28 21:37:23,072 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 137 transitions. Word has length 11 [2020-07-28 21:37:23,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:37:23,073 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 137 transitions. [2020-07-28 21:37:23,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:37:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2020-07-28 21:37:23,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:37:23,073 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:37:23,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:37:23,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:37:23,074 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:37:23,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:37:23,074 INFO L82 PathProgramCache]: Analyzing trace with hash 500064419, now seen corresponding path program 1 times [2020-07-28 21:37:23,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:37:23,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664912444] [2020-07-28 21:37:23,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:37:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:37:23,143 INFO L280 TraceCheckUtils]: 0: Hoare triple {3176#true} [225] ULTIMATE.startENTRY-->L765: Formula: (let ((.cse0 (store |v_#valid_71| 0 0))) (and (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t2222~0.base_31|) (= 0 |v_#NULL.base_2|) (= v_~__unbuffered_p0_EBX~0_48 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31|)) (= 0 v_~x~0_39) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t2222~0.base_31| 4)) (= 0 v_~y~0_22) (= 0 |v_ULTIMATE.start_main_~#t2222~0.offset_21|) (= 0 v_~__unbuffered_cnt~0_97) (= 0 v_~__unbuffered_p0_EAX~0_44) (< 0 |v_#StackHeapBarrier_16|) (= 0 v_~main$tmp_guard0~0_34) (= 0 |v_#NULL.offset_2|) (= 0 v_~__unbuffered_p2_EAX~0_39) (= |v_#valid_70| (store .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31| 1)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31|) |v_ULTIMATE.start_main_~#t2222~0.offset_21| 0)) |v_#memory_int_19|) (= 0 v_~main$tmp_guard1~0_37))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_71|, #memory_int=|v_#memory_int_20|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_19|, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_48, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_2|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_24|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_37, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_25|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_18|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_23|, #valid=|v_#valid_70|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2222~0.offset=|v_ULTIMATE.start_main_~#t2222~0.offset_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_39, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97, ULTIMATE.start_main_~#t2222~0.base=|v_ULTIMATE.start_main_~#t2222~0.base_31|, ~y~0=v_~y~0_22, ~x~0=v_~x~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.offset, ~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2223~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2224~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2222~0.offset, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2222~0.base, ~y~0, ~x~0] {3178#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,144 INFO L280 TraceCheckUtils]: 1: Hoare triple {3178#(= 0 ~__unbuffered_cnt~0)} [162] L765-->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] {3178#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,144 INFO L280 TraceCheckUtils]: 2: Hoare triple {3178#(= 0 ~__unbuffered_cnt~0)} [201] L765-1-->L767: Formula: (and (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (not (= 0 |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (= 0 |v_ULTIMATE.start_main_~#t2223~0.offset_10|) (= (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11| 1) |v_#valid_31|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11|) |v_ULTIMATE.start_main_~#t2223~0.offset_10| 1)) |v_#memory_int_13|) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t2223~0.base_11| 4) |v_#length_17|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2223~0.base, #length] {3178#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,145 INFO L280 TraceCheckUtils]: 3: Hoare triple {3178#(= 0 ~__unbuffered_cnt~0)} [164] L767-->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] {3178#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,146 INFO L280 TraceCheckUtils]: 4: Hoare triple {3178#(= 0 ~__unbuffered_cnt~0)} [199] L767-1-->L769: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2224~0.offset_10|) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2224~0.base_10| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2224~0.base_10|) (= |v_#valid_29| (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10| 1)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10|) |v_ULTIMATE.start_main_~#t2224~0.offset_10| 2)) |v_#memory_int_11|) (not (= 0 |v_ULTIMATE.start_main_~#t2224~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_10|, ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.base, ULTIMATE.start_main_~#t2224~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {3178#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,146 INFO L280 TraceCheckUtils]: 5: Hoare triple {3178#(= 0 ~__unbuffered_cnt~0)} [166] L769-->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] {3178#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,147 INFO L280 TraceCheckUtils]: 6: Hoare triple {3178#(= 0 ~__unbuffered_cnt~0)} [198] L769-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_45))) (or (and (= 0 v_~main$tmp_guard0~0_19) (not .cse0)) (and (= 1 v_~main$tmp_guard0~0_19) .cse0))) (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_8, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3179#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:37:23,148 INFO L280 TraceCheckUtils]: 7: Hoare triple {3179#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [189] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_12) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_12} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {3179#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:37:23,149 INFO L280 TraceCheckUtils]: 8: Hoare triple {3179#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [179] P2ENTRY-->L742: Formula: (and (= v_~__unbuffered_p2_EAX~0_9 v_~x~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} 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_9, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3179#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:37:23,150 INFO L280 TraceCheckUtils]: 9: Hoare triple {3179#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [157] L742-->L745: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {3179#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:37:23,150 INFO L280 TraceCheckUtils]: 10: Hoare triple {3179#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [183] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= v_~y~0_10 v_~__unbuffered_p0_EAX~0_11)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_10} 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|, ~y~0=v_~y~0_10, 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] {3179#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:37:23,152 INFO L280 TraceCheckUtils]: 11: Hoare triple {3179#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p0_EAX~0_37) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|) (= 1 v_~__unbuffered_p2_EAX~0_32) (= v_~__unbuffered_p0_EBX~0_39 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 0 v_~main$tmp_guard1~0_29) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15| (mod v_~main$tmp_guard1~0_29 256))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3177#false} is VALID [2020-07-28 21:37:23,152 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 21:37:23,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664912444] [2020-07-28 21:37:23,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:37:23,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:37:23,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938448599] [2020-07-28 21:37:23,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:37:23,154 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:37:23,154 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:37:23,169 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 21:37:23,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:37:23,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:37:23,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:37:23,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:37:23,170 INFO L87 Difference]: Start difference. First operand 64 states and 137 transitions. Second operand 4 states. [2020-07-28 21:37:23,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:23,270 INFO L93 Difference]: Finished difference Result 77 states and 150 transitions. [2020-07-28 21:37:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:37:23,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:37:23,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:37:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:37:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:37:23,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:37:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:37:23,273 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-28 21:37:23,325 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 21:37:23,326 INFO L225 Difference]: With dead ends: 77 [2020-07-28 21:37:23,326 INFO L226 Difference]: Without dead ends: 56 [2020-07-28 21:37:23,327 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 21:37:23,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-28 21:37:23,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-07-28 21:37:23,344 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:37:23,344 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2020-07-28 21:37:23,344 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-28 21:37:23,345 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-28 21:37:23,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:23,347 INFO L93 Difference]: Finished difference Result 56 states and 109 transitions. [2020-07-28 21:37:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2020-07-28 21:37:23,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:23,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:23,348 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-28 21:37:23,349 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-28 21:37:23,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:23,351 INFO L93 Difference]: Finished difference Result 56 states and 109 transitions. [2020-07-28 21:37:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2020-07-28 21:37:23,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:23,352 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:23,352 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:37:23,352 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:37:23,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 21:37:23,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 109 transitions. [2020-07-28 21:37:23,355 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 109 transitions. Word has length 12 [2020-07-28 21:37:23,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:37:23,355 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 109 transitions. [2020-07-28 21:37:23,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:37:23,356 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2020-07-28 21:37:23,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:37:23,356 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:37:23,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:37:23,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:37:23,357 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:37:23,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:37:23,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1337478729, now seen corresponding path program 1 times [2020-07-28 21:37:23,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:37:23,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115973292] [2020-07-28 21:37:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:37:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:37:23,441 INFO L280 TraceCheckUtils]: 0: Hoare triple {3485#true} [225] ULTIMATE.startENTRY-->L765: Formula: (let ((.cse0 (store |v_#valid_71| 0 0))) (and (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t2222~0.base_31|) (= 0 |v_#NULL.base_2|) (= v_~__unbuffered_p0_EBX~0_48 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31|)) (= 0 v_~x~0_39) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t2222~0.base_31| 4)) (= 0 v_~y~0_22) (= 0 |v_ULTIMATE.start_main_~#t2222~0.offset_21|) (= 0 v_~__unbuffered_cnt~0_97) (= 0 v_~__unbuffered_p0_EAX~0_44) (< 0 |v_#StackHeapBarrier_16|) (= 0 v_~main$tmp_guard0~0_34) (= 0 |v_#NULL.offset_2|) (= 0 v_~__unbuffered_p2_EAX~0_39) (= |v_#valid_70| (store .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31| 1)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31|) |v_ULTIMATE.start_main_~#t2222~0.offset_21| 0)) |v_#memory_int_19|) (= 0 v_~main$tmp_guard1~0_37))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_71|, #memory_int=|v_#memory_int_20|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_19|, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_48, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_2|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_24|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_37, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_25|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_18|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_23|, #valid=|v_#valid_70|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2222~0.offset=|v_ULTIMATE.start_main_~#t2222~0.offset_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_39, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97, ULTIMATE.start_main_~#t2222~0.base=|v_ULTIMATE.start_main_~#t2222~0.base_31|, ~y~0=v_~y~0_22, ~x~0=v_~x~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.offset, ~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2223~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2224~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2222~0.offset, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2222~0.base, ~y~0, ~x~0] {3487#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,443 INFO L280 TraceCheckUtils]: 1: Hoare triple {3487#(= 0 ~__unbuffered_cnt~0)} [162] L765-->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] {3487#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,448 INFO L280 TraceCheckUtils]: 2: Hoare triple {3487#(= 0 ~__unbuffered_cnt~0)} [201] L765-1-->L767: Formula: (and (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (not (= 0 |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (= 0 |v_ULTIMATE.start_main_~#t2223~0.offset_10|) (= (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11| 1) |v_#valid_31|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11|) |v_ULTIMATE.start_main_~#t2223~0.offset_10| 1)) |v_#memory_int_13|) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t2223~0.base_11| 4) |v_#length_17|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2223~0.base, #length] {3487#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,449 INFO L280 TraceCheckUtils]: 3: Hoare triple {3487#(= 0 ~__unbuffered_cnt~0)} [164] L767-->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] {3487#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,449 INFO L280 TraceCheckUtils]: 4: Hoare triple {3487#(= 0 ~__unbuffered_cnt~0)} [199] L767-1-->L769: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2224~0.offset_10|) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2224~0.base_10| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2224~0.base_10|) (= |v_#valid_29| (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10| 1)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10|) |v_ULTIMATE.start_main_~#t2224~0.offset_10| 2)) |v_#memory_int_11|) (not (= 0 |v_ULTIMATE.start_main_~#t2224~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_10|, ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.base, ULTIMATE.start_main_~#t2224~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {3487#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,450 INFO L280 TraceCheckUtils]: 5: Hoare triple {3487#(= 0 ~__unbuffered_cnt~0)} [166] L769-->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] {3487#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,457 INFO L280 TraceCheckUtils]: 6: Hoare triple {3487#(= 0 ~__unbuffered_cnt~0)} [189] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_12) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_12} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {3487#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,458 INFO L280 TraceCheckUtils]: 7: Hoare triple {3487#(= 0 ~__unbuffered_cnt~0)} [179] P2ENTRY-->L742: Formula: (and (= v_~__unbuffered_p2_EAX~0_9 v_~x~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} 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_9, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3487#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,459 INFO L280 TraceCheckUtils]: 8: Hoare triple {3487#(= 0 ~__unbuffered_cnt~0)} [204] L730-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork1_#res.base_13|) (= (+ v_~__unbuffered_cnt~0_63 1) v_~__unbuffered_cnt~0_62) (= |v_P1Thread1of1ForFork1_#res.offset_13| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_63} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_62, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_13|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {3488#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:37:23,460 INFO L280 TraceCheckUtils]: 9: Hoare triple {3488#(<= ~__unbuffered_cnt~0 1)} [198] L769-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_45))) (or (and (= 0 v_~main$tmp_guard0~0_19) (not .cse0)) (and (= 1 v_~main$tmp_guard0~0_19) .cse0))) (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_8, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} 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] {3489#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:37:23,461 INFO L280 TraceCheckUtils]: 10: Hoare triple {3489#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [157] L742-->L745: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {3489#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:37:23,471 INFO L280 TraceCheckUtils]: 11: Hoare triple {3489#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [183] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= v_~y~0_10 v_~__unbuffered_p0_EAX~0_11)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_10} 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|, ~y~0=v_~y~0_10, 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] {3489#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:37:23,472 INFO L280 TraceCheckUtils]: 12: Hoare triple {3489#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p0_EAX~0_37) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|) (= 1 v_~__unbuffered_p2_EAX~0_32) (= v_~__unbuffered_p0_EBX~0_39 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 0 v_~main$tmp_guard1~0_29) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15| (mod v_~main$tmp_guard1~0_29 256))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3486#false} is VALID [2020-07-28 21:37:23,473 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 21:37:23,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115973292] [2020-07-28 21:37:23,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:37:23,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:37:23,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824266511] [2020-07-28 21:37:23,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:37:23,475 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:37:23,475 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:37:23,502 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 21:37:23,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:37:23,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:37:23,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:37:23,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:37:23,503 INFO L87 Difference]: Start difference. First operand 56 states and 109 transitions. Second operand 5 states. [2020-07-28 21:37:23,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:23,660 INFO L93 Difference]: Finished difference Result 57 states and 99 transitions. [2020-07-28 21:37:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:37:23,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:37:23,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:37:23,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:37:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 45 transitions. [2020-07-28 21:37:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:37:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 45 transitions. [2020-07-28 21:37:23,663 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 45 transitions. [2020-07-28 21:37:23,744 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 21:37:23,746 INFO L225 Difference]: With dead ends: 57 [2020-07-28 21:37:23,746 INFO L226 Difference]: Without dead ends: 42 [2020-07-28 21:37:23,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:37:23,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-28 21:37:23,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:23,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-28 21:37:23,758 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:37:23,758 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand 42 states. [2020-07-28 21:37:23,759 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-28 21:37:23,759 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-28 21:37:23,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:23,761 INFO L93 Difference]: Finished difference Result 42 states and 69 transitions. [2020-07-28 21:37:23,761 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2020-07-28 21:37:23,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:23,761 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:23,762 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 42 states. [2020-07-28 21:37:23,762 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 42 states. [2020-07-28 21:37:23,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:23,764 INFO L93 Difference]: Finished difference Result 42 states and 69 transitions. [2020-07-28 21:37:23,764 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2020-07-28 21:37:23,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:23,765 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:23,765 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:37:23,765 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:37:23,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-28 21:37:23,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 69 transitions. [2020-07-28 21:37:23,767 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 69 transitions. Word has length 13 [2020-07-28 21:37:23,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:37:23,767 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 69 transitions. [2020-07-28 21:37:23,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:37:23,768 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2020-07-28 21:37:23,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:37:23,768 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:37:23,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:37:23,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:37:23,769 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:37:23,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:37:23,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1451530590, now seen corresponding path program 1 times [2020-07-28 21:37:23,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:37:23,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119541235] [2020-07-28 21:37:23,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:37:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:37:23,887 INFO L280 TraceCheckUtils]: 0: Hoare triple {3719#true} [225] ULTIMATE.startENTRY-->L765: Formula: (let ((.cse0 (store |v_#valid_71| 0 0))) (and (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t2222~0.base_31|) (= 0 |v_#NULL.base_2|) (= v_~__unbuffered_p0_EBX~0_48 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31|)) (= 0 v_~x~0_39) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t2222~0.base_31| 4)) (= 0 v_~y~0_22) (= 0 |v_ULTIMATE.start_main_~#t2222~0.offset_21|) (= 0 v_~__unbuffered_cnt~0_97) (= 0 v_~__unbuffered_p0_EAX~0_44) (< 0 |v_#StackHeapBarrier_16|) (= 0 v_~main$tmp_guard0~0_34) (= 0 |v_#NULL.offset_2|) (= 0 v_~__unbuffered_p2_EAX~0_39) (= |v_#valid_70| (store .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31| 1)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31|) |v_ULTIMATE.start_main_~#t2222~0.offset_21| 0)) |v_#memory_int_19|) (= 0 v_~main$tmp_guard1~0_37))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_71|, #memory_int=|v_#memory_int_20|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_19|, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_48, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_2|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_24|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_37, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_25|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_18|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_23|, #valid=|v_#valid_70|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2222~0.offset=|v_ULTIMATE.start_main_~#t2222~0.offset_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_39, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97, ULTIMATE.start_main_~#t2222~0.base=|v_ULTIMATE.start_main_~#t2222~0.base_31|, ~y~0=v_~y~0_22, ~x~0=v_~x~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.offset, ~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2223~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2224~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2222~0.offset, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2222~0.base, ~y~0, ~x~0] {3721#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,888 INFO L280 TraceCheckUtils]: 1: Hoare triple {3721#(= 0 ~__unbuffered_cnt~0)} [162] L765-->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] {3721#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,889 INFO L280 TraceCheckUtils]: 2: Hoare triple {3721#(= 0 ~__unbuffered_cnt~0)} [201] L765-1-->L767: Formula: (and (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (not (= 0 |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (= 0 |v_ULTIMATE.start_main_~#t2223~0.offset_10|) (= (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11| 1) |v_#valid_31|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11|) |v_ULTIMATE.start_main_~#t2223~0.offset_10| 1)) |v_#memory_int_13|) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t2223~0.base_11| 4) |v_#length_17|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2223~0.base, #length] {3721#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,890 INFO L280 TraceCheckUtils]: 3: Hoare triple {3721#(= 0 ~__unbuffered_cnt~0)} [164] L767-->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] {3721#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,891 INFO L280 TraceCheckUtils]: 4: Hoare triple {3721#(= 0 ~__unbuffered_cnt~0)} [199] L767-1-->L769: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2224~0.offset_10|) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2224~0.base_10| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2224~0.base_10|) (= |v_#valid_29| (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10| 1)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10|) |v_ULTIMATE.start_main_~#t2224~0.offset_10| 2)) |v_#memory_int_11|) (not (= 0 |v_ULTIMATE.start_main_~#t2224~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_10|, ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.base, ULTIMATE.start_main_~#t2224~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {3721#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,892 INFO L280 TraceCheckUtils]: 5: Hoare triple {3721#(= 0 ~__unbuffered_cnt~0)} [166] L769-->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] {3721#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,892 INFO L280 TraceCheckUtils]: 6: Hoare triple {3721#(= 0 ~__unbuffered_cnt~0)} [189] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_12) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_12} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {3721#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,893 INFO L280 TraceCheckUtils]: 7: Hoare triple {3721#(= 0 ~__unbuffered_cnt~0)} [179] P2ENTRY-->L742: Formula: (and (= v_~__unbuffered_p2_EAX~0_9 v_~x~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} 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_9, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3721#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:37:23,894 INFO L280 TraceCheckUtils]: 8: Hoare triple {3721#(= 0 ~__unbuffered_cnt~0)} [204] L730-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork1_#res.base_13|) (= (+ v_~__unbuffered_cnt~0_63 1) v_~__unbuffered_cnt~0_62) (= |v_P1Thread1of1ForFork1_#res.offset_13| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_63} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_62, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_13|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {3722#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:37:23,895 INFO L280 TraceCheckUtils]: 9: Hoare triple {3722#(<= ~__unbuffered_cnt~0 1)} [157] L742-->L745: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {3722#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:37:23,896 INFO L280 TraceCheckUtils]: 10: Hoare triple {3722#(<= ~__unbuffered_cnt~0 1)} [209] L745-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|) (= (+ v_~__unbuffered_cnt~0_82 1) v_~__unbuffered_cnt~0_81)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_82} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_81, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {3723#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:37:23,898 INFO L280 TraceCheckUtils]: 11: Hoare triple {3723#(<= ~__unbuffered_cnt~0 2)} [198] L769-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_45))) (or (and (= 0 v_~main$tmp_guard0~0_19) (not .cse0)) (and (= 1 v_~main$tmp_guard0~0_19) .cse0))) (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_8, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3724#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:37:23,899 INFO L280 TraceCheckUtils]: 12: Hoare triple {3724#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [183] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= v_~y~0_10 v_~__unbuffered_p0_EAX~0_11)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_10} 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|, ~y~0=v_~y~0_10, 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] {3724#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:37:23,900 INFO L280 TraceCheckUtils]: 13: Hoare triple {3724#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p0_EAX~0_37) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|) (= 1 v_~__unbuffered_p2_EAX~0_32) (= v_~__unbuffered_p0_EBX~0_39 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 0 v_~main$tmp_guard1~0_29) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15| (mod v_~main$tmp_guard1~0_29 256))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3720#false} is VALID [2020-07-28 21:37:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:37:23,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119541235] [2020-07-28 21:37:23,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:37:23,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:37:23,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125646932] [2020-07-28 21:37:23,903 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-07-28 21:37:23,903 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:37:23,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 21:37:23,923 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 21:37:23,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 21:37:23,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:37:23,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 21:37:23,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:37:23,924 INFO L87 Difference]: Start difference. First operand 42 states and 69 transitions. Second operand 6 states. [2020-07-28 21:37:24,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:24,100 INFO L93 Difference]: Finished difference Result 39 states and 61 transitions. [2020-07-28 21:37:24,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 21:37:24,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-07-28 21:37:24,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:37:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:37:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 38 transitions. [2020-07-28 21:37:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:37:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 38 transitions. [2020-07-28 21:37:24,103 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 38 transitions. [2020-07-28 21:37:24,145 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:37:24,146 INFO L225 Difference]: With dead ends: 39 [2020-07-28 21:37:24,146 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 21:37:24,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:37:24,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 21:37:24,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:37:24,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 21:37:24,157 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:37:24,157 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 21:37:24,157 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 21:37:24,157 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 21:37:24,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:24,159 INFO L93 Difference]: Finished difference Result 33 states and 51 transitions. [2020-07-28 21:37:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-07-28 21:37:24,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:24,160 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:24,160 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 21:37:24,160 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 21:37:24,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:24,162 INFO L93 Difference]: Finished difference Result 33 states and 51 transitions. [2020-07-28 21:37:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-07-28 21:37:24,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:24,163 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:24,163 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:37:24,163 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:37:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 21:37:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 51 transitions. [2020-07-28 21:37:24,165 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 51 transitions. Word has length 14 [2020-07-28 21:37:24,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:37:24,165 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 51 transitions. [2020-07-28 21:37:24,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 21:37:24,166 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-07-28 21:37:24,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 21:37:24,166 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:37:24,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:37:24,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:37:24,167 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:37:24,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:37:24,167 INFO L82 PathProgramCache]: Analyzing trace with hash -958438309, now seen corresponding path program 1 times [2020-07-28 21:37:24,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:37:24,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870218403] [2020-07-28 21:37:24,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:37:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:37:24,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {3900#true} [225] ULTIMATE.startENTRY-->L765: Formula: (let ((.cse0 (store |v_#valid_71| 0 0))) (and (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t2222~0.base_31|) (= 0 |v_#NULL.base_2|) (= v_~__unbuffered_p0_EBX~0_48 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31|)) (= 0 v_~x~0_39) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t2222~0.base_31| 4)) (= 0 v_~y~0_22) (= 0 |v_ULTIMATE.start_main_~#t2222~0.offset_21|) (= 0 v_~__unbuffered_cnt~0_97) (= 0 v_~__unbuffered_p0_EAX~0_44) (< 0 |v_#StackHeapBarrier_16|) (= 0 v_~main$tmp_guard0~0_34) (= 0 |v_#NULL.offset_2|) (= 0 v_~__unbuffered_p2_EAX~0_39) (= |v_#valid_70| (store .cse0 |v_ULTIMATE.start_main_~#t2222~0.base_31| 1)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2222~0.base_31|) |v_ULTIMATE.start_main_~#t2222~0.offset_21| 0)) |v_#memory_int_19|) (= 0 v_~main$tmp_guard1~0_37))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_71|, #memory_int=|v_#memory_int_20|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_19|, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_48, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_2|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_24|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_37, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_25|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_18|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_23|, #valid=|v_#valid_70|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2222~0.offset=|v_ULTIMATE.start_main_~#t2222~0.offset_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_39, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97, ULTIMATE.start_main_~#t2222~0.base=|v_ULTIMATE.start_main_~#t2222~0.base_31|, ~y~0=v_~y~0_22, ~x~0=v_~x~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.offset, ~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2223~0.base, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2224~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2222~0.offset, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2222~0.base, ~y~0, ~x~0] {3900#true} is VALID [2020-07-28 21:37:24,208 INFO L280 TraceCheckUtils]: 1: Hoare triple {3900#true} [162] L765-->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] {3900#true} is VALID [2020-07-28 21:37:24,209 INFO L280 TraceCheckUtils]: 2: Hoare triple {3900#true} [201] L765-1-->L767: Formula: (and (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (not (= 0 |v_ULTIMATE.start_main_~#t2223~0.base_11|)) (= 0 |v_ULTIMATE.start_main_~#t2223~0.offset_10|) (= (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2223~0.base_11| 1) |v_#valid_31|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2223~0.base_11|) |v_ULTIMATE.start_main_~#t2223~0.offset_10| 1)) |v_#memory_int_13|) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t2223~0.base_11| 4) |v_#length_17|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2223~0.base_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2223~0.offset=|v_ULTIMATE.start_main_~#t2223~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2223~0.base=|v_ULTIMATE.start_main_~#t2223~0.base_11|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2223~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2223~0.base, #length] {3900#true} is VALID [2020-07-28 21:37:24,209 INFO L280 TraceCheckUtils]: 3: Hoare triple {3900#true} [164] L767-->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] {3900#true} is VALID [2020-07-28 21:37:24,209 INFO L280 TraceCheckUtils]: 4: Hoare triple {3900#true} [199] L767-1-->L769: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2224~0.offset_10|) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2224~0.base_10| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2224~0.base_10|) (= |v_#valid_29| (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2224~0.base_10| 1)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2224~0.base_10|) |v_ULTIMATE.start_main_~#t2224~0.offset_10| 2)) |v_#memory_int_11|) (not (= 0 |v_ULTIMATE.start_main_~#t2224~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2224~0.base=|v_ULTIMATE.start_main_~#t2224~0.base_10|, ULTIMATE.start_main_~#t2224~0.offset=|v_ULTIMATE.start_main_~#t2224~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2224~0.base, ULTIMATE.start_main_~#t2224~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {3900#true} is VALID [2020-07-28 21:37:24,209 INFO L280 TraceCheckUtils]: 5: Hoare triple {3900#true} [166] L769-->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] {3900#true} is VALID [2020-07-28 21:37:24,211 INFO L280 TraceCheckUtils]: 6: Hoare triple {3900#true} [189] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_12) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_12} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {3902#(= 1 ~x~0)} is VALID [2020-07-28 21:37:24,211 INFO L280 TraceCheckUtils]: 7: Hoare triple {3902#(= 1 ~x~0)} [179] P2ENTRY-->L742: Formula: (and (= v_~__unbuffered_p2_EAX~0_9 v_~x~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} 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_9, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3902#(= 1 ~x~0)} is VALID [2020-07-28 21:37:24,212 INFO L280 TraceCheckUtils]: 8: Hoare triple {3902#(= 1 ~x~0)} [204] L730-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork1_#res.base_13|) (= (+ v_~__unbuffered_cnt~0_63 1) v_~__unbuffered_cnt~0_62) (= |v_P1Thread1of1ForFork1_#res.offset_13| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_63} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_62, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_13|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {3902#(= 1 ~x~0)} is VALID [2020-07-28 21:37:24,213 INFO L280 TraceCheckUtils]: 9: Hoare triple {3902#(= 1 ~x~0)} [157] L742-->L745: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {3902#(= 1 ~x~0)} is VALID [2020-07-28 21:37:24,213 INFO L280 TraceCheckUtils]: 10: Hoare triple {3902#(= 1 ~x~0)} [209] L745-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|) (= (+ v_~__unbuffered_cnt~0_82 1) v_~__unbuffered_cnt~0_81)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_82} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_81, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {3902#(= 1 ~x~0)} is VALID [2020-07-28 21:37:24,214 INFO L280 TraceCheckUtils]: 11: Hoare triple {3902#(= 1 ~x~0)} [183] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= v_~y~0_10 v_~__unbuffered_p0_EAX~0_11)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_10} 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|, ~y~0=v_~y~0_10, 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] {3902#(= 1 ~x~0)} is VALID [2020-07-28 21:37:24,215 INFO L280 TraceCheckUtils]: 12: Hoare triple {3902#(= 1 ~x~0)} [146] L715-->L718: Formula: (= v_~__unbuffered_p0_EBX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0] {3903#(= 1 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:37:24,216 INFO L280 TraceCheckUtils]: 13: Hoare triple {3903#(= 1 ~__unbuffered_p0_EBX~0)} [205] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_11|) (= 0 |v_P0Thread1of1ForFork0_#res.offset_11|) (= (+ v_~__unbuffered_cnt~0_69 1) v_~__unbuffered_cnt~0_68)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_69} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_11|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {3903#(= 1 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:37:24,216 INFO L280 TraceCheckUtils]: 14: Hoare triple {3903#(= 1 ~__unbuffered_p0_EBX~0)} [198] L769-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_45))) (or (and (= 0 v_~main$tmp_guard0~0_19) (not .cse0)) (and (= 1 v_~main$tmp_guard0~0_19) .cse0))) (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_8, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_45, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3903#(= 1 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:37:24,217 INFO L280 TraceCheckUtils]: 15: Hoare triple {3903#(= 1 ~__unbuffered_p0_EBX~0)} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p0_EAX~0_37) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|) (= 1 v_~__unbuffered_p2_EAX~0_32) (= v_~__unbuffered_p0_EBX~0_39 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 0 v_~main$tmp_guard1~0_29) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15| (mod v_~main$tmp_guard1~0_29 256))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_26|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_39, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3901#false} is VALID [2020-07-28 21:37:24,218 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 21:37:24,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870218403] [2020-07-28 21:37:24,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:37:24,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:37:24,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735101193] [2020-07-28 21:37:24,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-07-28 21:37:24,220 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:37:24,220 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:37:24,238 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:37:24,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:37:24,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:37:24,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:37:24,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:37:24,239 INFO L87 Difference]: Start difference. First operand 33 states and 51 transitions. Second operand 4 states. [2020-07-28 21:37:24,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:24,285 INFO L93 Difference]: Finished difference Result 32 states and 50 transitions. [2020-07-28 21:37:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:37:24,285 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-07-28 21:37:24,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:37:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:37:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-28 21:37:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:37:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-28 21:37:24,287 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 20 transitions. [2020-07-28 21:37:24,321 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 21:37:24,321 INFO L225 Difference]: With dead ends: 32 [2020-07-28 21:37:24,322 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:37:24,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:37:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:37:24,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:37:24,322 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:37:24,323 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:37:24,323 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:37:24,323 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:37:24,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:24,323 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:37:24,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:37:24,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:24,324 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:24,324 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:37:24,324 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:37:24,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:37:24,325 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:37:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:37:24,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:24,325 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:37:24,326 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:37:24,326 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:37:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:37:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:37:24,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-07-28 21:37:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:37:24,326 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:37:24,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:37:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:37:24,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:37:24,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 21:37:24,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:37:24 BasicIcfg [2020-07-28 21:37:24,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:37:24,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:37:24,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:37:24,332 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:37:24,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:37:18" (3/4) ... [2020-07-28 21:37:24,336 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:37:24,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:37:24,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:37:24,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:37:24,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:37:24,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:37:24,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:37:24,403 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:37:24,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:37:24,408 INFO L168 Benchmark]: Toolchain (without parser) took 6879.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 961.6 MB in the beginning and 1.2 GB in the end (delta: -262.2 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2020-07-28 21:37:24,409 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:37:24,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -108.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:37:24,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.97 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 21:37:24,410 INFO L168 Benchmark]: Boogie Preprocessor took 30.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 21:37:24,410 INFO L168 Benchmark]: RCFGBuilder took 555.95 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:37:24,415 INFO L168 Benchmark]: TraceAbstraction took 5359.92 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -202.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:37:24,416 INFO L168 Benchmark]: Witness Printer took 71.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2020-07-28 21:37:24,417 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 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 792.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -108.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.97 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 30.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 555.95 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5359.92 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -202.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 71.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.3s, 77 ProgramPointsBefore, 30 ProgramPointsAfterwards, 69 TransitionsBefore, 20 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 630 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 30 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 1996 CheckedPairsTotal, 58 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.2s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 125 SDtfs, 117 SDslu, 138 SDs, 0 SdLazy, 98 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 3147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...