./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe007_pso.oepc.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe007_pso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e14b446ea861745f1f6ea6b671e4996f7099f66a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 21:30:04,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:30:04,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:30:04,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:30:04,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:30:04,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:30:04,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:30:04,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:30:04,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:30:04,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:30:04,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:30:04,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:30:04,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:30:04,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:30:04,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:30:04,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:30:04,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:30:04,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:30:04,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:30:04,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:30:04,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:30:04,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:30:04,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:30:04,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:30:04,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:30:04,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:30:04,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:30:04,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:30:04,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:30:04,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:30:04,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:30:04,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:30:04,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:30:04,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:30:04,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:30:04,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:30:04,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:30:04,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:30:04,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:30:04,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:30:04,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:30:04,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:30:04,259 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:30:04,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:30:04,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:30:04,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:30:04,261 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:30:04,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:30:04,262 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:30:04,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:30:04,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:30:04,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:30:04,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:30:04,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:30:04,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:30:04,264 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:30:04,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:30:04,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:30:04,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:30:04,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:30:04,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:30:04,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:30:04,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:30:04,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:30:04,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:30:04,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:30:04,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:30:04,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:30:04,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:30:04,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:30:04,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:30:04,269 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 -> e14b446ea861745f1f6ea6b671e4996f7099f66a [2020-07-28 21:30:04,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:30:04,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:30:04,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:30:04,582 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:30:04,582 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:30:04,583 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe007_pso.oepc.i [2020-07-28 21:30:04,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ee6b52b/1df1a1edfff44982bb4306cca16049e2/FLAGfd94fff1a [2020-07-28 21:30:05,167 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:30:05,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe007_pso.oepc.i [2020-07-28 21:30:05,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ee6b52b/1df1a1edfff44982bb4306cca16049e2/FLAGfd94fff1a [2020-07-28 21:30:05,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ee6b52b/1df1a1edfff44982bb4306cca16049e2 [2020-07-28 21:30:05,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:30:05,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:30:05,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:30:05,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:30:05,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:30:05,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:30:05" (1/1) ... [2020-07-28 21:30:05,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d494b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:05, skipping insertion in model container [2020-07-28 21:30:05,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:30:05" (1/1) ... [2020-07-28 21:30:05,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:30:05,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:30:05,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:30:05,928 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:30:06,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:30:06,119 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:30:06,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06 WrapperNode [2020-07-28 21:30:06,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:30:06,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:30:06,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:30:06,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:30:06,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (1/1) ... [2020-07-28 21:30:06,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (1/1) ... [2020-07-28 21:30:06,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:30:06,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:30:06,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:30:06,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:30:06,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (1/1) ... [2020-07-28 21:30:06,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (1/1) ... [2020-07-28 21:30:06,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (1/1) ... [2020-07-28 21:30:06,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (1/1) ... [2020-07-28 21:30:06,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (1/1) ... [2020-07-28 21:30:06,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (1/1) ... [2020-07-28 21:30:06,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (1/1) ... [2020-07-28 21:30:06,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:30:06,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:30:06,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:30:06,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:30:06,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:30:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:30:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:30:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:30:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:30:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:30:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:30:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:30:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:30:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:30:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:30:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:30:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:30:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:30:06,274 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-28 21:30:06,834 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:30:06,835 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:30:06,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:30:06 BoogieIcfgContainer [2020-07-28 21:30:06,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:30:06,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:30:06,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:30:06,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:30:06,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:30:05" (1/3) ... [2020-07-28 21:30:06,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30490c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:30:06, skipping insertion in model container [2020-07-28 21:30:06,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:30:06" (2/3) ... [2020-07-28 21:30:06,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30490c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:30:06, skipping insertion in model container [2020-07-28 21:30:06,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:30:06" (3/3) ... [2020-07-28 21:30:06,850 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2020-07-28 21:30:06,861 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:30:06,862 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:30:06,870 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:30:06,871 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:30:06,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,906 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,906 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,908 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,911 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,911 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,917 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,926 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,927 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,931 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,931 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,931 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,932 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:30:06,950 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:30:06,974 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:30:06,974 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:30:06,974 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:30:06,974 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:30:06,974 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:30:06,975 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:30:06,975 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:30:06,975 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:30:06,993 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-07-28 21:30:06,996 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:30:07,045 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:30:07,045 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:30:07,055 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:30:07,058 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:30:07,083 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:30:07,083 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:30:07,084 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:30:07,086 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:30:07,088 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:30:09,399 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463 [2020-07-28 21:30:09,399 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-07-28 21:30:09,406 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-07-28 21:30:09,453 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-07-28 21:30:09,455 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-07-28 21:30:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:30:09,487 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:09,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:09,491 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:09,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:09,499 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-07-28 21:30:09,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:09,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265245950] [2020-07-28 21:30:09,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:09,740 INFO L280 TraceCheckUtils]: 0: Hoare triple {806#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1943~0.base_21|) (= 0 v_~y~0_21) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21|) |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21|)) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1943~0.base_21| 4) |v_#length_19|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_19|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_14|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1943~0.offset=|v_ULTIMATE.start_main_~#t1943~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t1943~0.base=|v_ULTIMATE.start_main_~#t1943~0.base_21|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1945~0.base, ULTIMATE.start_main_~#t1944~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1943~0.offset, ULTIMATE.start_main_~#t1945~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t1943~0.base, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {806#true} is VALID [2020-07-28 21:30:09,740 INFO L280 TraceCheckUtils]: 1: Hoare triple {806#true} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {806#true} is VALID [2020-07-28 21:30:09,741 INFO L280 TraceCheckUtils]: 2: Hoare triple {806#true} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12|) |v_ULTIMATE.start_main_~#t1944~0.offset_10| 1))) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12| 1) |v_#valid_36|) (not (= 0 |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1944~0.base_12|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1944~0.base_12| 4)) (= |v_ULTIMATE.start_main_~#t1944~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_12|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1944~0.base, #length] {806#true} is VALID [2020-07-28 21:30:09,741 INFO L280 TraceCheckUtils]: 3: Hoare triple {806#true} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {806#true} is VALID [2020-07-28 21:30:09,741 INFO L280 TraceCheckUtils]: 4: Hoare triple {806#true} [198] L772-1-->L774: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1945~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1945~0.base_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9|) |v_ULTIMATE.start_main_~#t1945~0.offset_9| 2))) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9| 1) |v_#valid_27|) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1945~0.base_9| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_9|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1945~0.offset, ULTIMATE.start_main_~#t1945~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {806#true} is VALID [2020-07-28 21:30:09,742 INFO L280 TraceCheckUtils]: 5: Hoare triple {806#true} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {806#true} is VALID [2020-07-28 21:30:09,744 INFO L280 TraceCheckUtils]: 6: Hoare triple {806#true} [226] L774-1-->L7: Formula: false InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_29|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_22, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_10|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {807#false} is VALID [2020-07-28 21:30:09,744 INFO L280 TraceCheckUtils]: 7: Hoare triple {807#false} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {807#false} is VALID [2020-07-28 21:30:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:30:09,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265245950] [2020-07-28 21:30:09,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:09,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:30:09,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746139805] [2020-07-28 21:30:09,754 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:30:09,755 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:09,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 21:30:09,784 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:09,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 21:30:09,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:09,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 21:30:09,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:30:09,797 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-07-28 21:30:09,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:09,923 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-07-28 21:30:09,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 21:30:09,923 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:30:09,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:30:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:30:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:30:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:30:09,927 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2020-07-28 21:30:09,957 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:09,987 INFO L225 Difference]: With dead ends: 362 [2020-07-28 21:30:09,987 INFO L226 Difference]: Without dead ends: 298 [2020-07-28 21:30:09,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:30:10,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-28 21:30:10,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,061 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,061 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,061 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,061 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,078 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,078 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-07-28 21:30:10,141 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:10,142 INFO L82 GeneralOperation]: Start isEquivalent. First operand 298 states. Second operand 298 states. [2020-07-28 21:30:10,142 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:30:10,143 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:30:10,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:10,176 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:30:10,177 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:30:10,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:10,180 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:10,181 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:30:10,181 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:30:10,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:10,212 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:30:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:30:10,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:10,215 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:10,215 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:10,215 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:10,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-28 21:30:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-07-28 21:30:10,244 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-07-28 21:30:10,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:10,245 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-07-28 21:30:10,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 21:30:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:30:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:30:10,246 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:10,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:10,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:30:10,246 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:10,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:10,247 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-07-28 21:30:10,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:10,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151026702] [2020-07-28 21:30:10,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:10,375 INFO L280 TraceCheckUtils]: 0: Hoare triple {2364#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1943~0.base_21|) (= 0 v_~y~0_21) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21|) |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21|)) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1943~0.base_21| 4) |v_#length_19|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_19|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_14|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1943~0.offset=|v_ULTIMATE.start_main_~#t1943~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t1943~0.base=|v_ULTIMATE.start_main_~#t1943~0.base_21|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1945~0.base, ULTIMATE.start_main_~#t1944~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1943~0.offset, ULTIMATE.start_main_~#t1945~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t1943~0.base, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {2366#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:10,376 INFO L280 TraceCheckUtils]: 1: Hoare triple {2366#(<= ~__unbuffered_p1_EAX~0 0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2366#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:10,377 INFO L280 TraceCheckUtils]: 2: Hoare triple {2366#(<= ~__unbuffered_p1_EAX~0 0)} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12|) |v_ULTIMATE.start_main_~#t1944~0.offset_10| 1))) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12| 1) |v_#valid_36|) (not (= 0 |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1944~0.base_12|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1944~0.base_12| 4)) (= |v_ULTIMATE.start_main_~#t1944~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_12|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1944~0.base, #length] {2366#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:10,377 INFO L280 TraceCheckUtils]: 3: Hoare triple {2366#(<= ~__unbuffered_p1_EAX~0 0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {2366#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:10,378 INFO L280 TraceCheckUtils]: 4: Hoare triple {2366#(<= ~__unbuffered_p1_EAX~0 0)} [198] L772-1-->L774: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1945~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1945~0.base_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9|) |v_ULTIMATE.start_main_~#t1945~0.offset_9| 2))) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9| 1) |v_#valid_27|) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1945~0.base_9| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_9|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1945~0.offset, ULTIMATE.start_main_~#t1945~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {2366#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:10,379 INFO L280 TraceCheckUtils]: 5: Hoare triple {2366#(<= ~__unbuffered_p1_EAX~0 0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {2366#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:10,380 INFO L280 TraceCheckUtils]: 6: Hoare triple {2366#(<= ~__unbuffered_p1_EAX~0 0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2366#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:10,381 INFO L280 TraceCheckUtils]: 7: Hoare triple {2366#(<= ~__unbuffered_p1_EAX~0 0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2367#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:10,382 INFO L280 TraceCheckUtils]: 8: Hoare triple {2367#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {2365#false} is VALID [2020-07-28 21:30:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:30:10,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151026702] [2020-07-28 21:30:10,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:10,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:30:10,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488339647] [2020-07-28 21:30:10,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:30:10,386 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:10,386 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:30:10,400 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:10,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:30:10,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:10,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:30:10,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:30:10,402 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-07-28 21:30:10,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:10,515 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-07-28 21:30:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:30:10,516 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:30:10,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:10,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:30:10,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:30:10,519 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 45 transitions. [2020-07-28 21:30:10,575 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:10,584 INFO L225 Difference]: With dead ends: 330 [2020-07-28 21:30:10,584 INFO L226 Difference]: Without dead ends: 266 [2020-07-28 21:30:10,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:30:10,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-28 21:30:10,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-07-28 21:30:10,648 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:10,648 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand 266 states. [2020-07-28 21:30:10,648 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:30:10,648 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:30:10,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:10,665 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:30:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:30:10,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:10,666 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:10,666 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:30:10,666 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:30:10,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:10,683 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:30:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:30:10,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:10,684 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:10,684 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:10,684 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-07-28 21:30:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-07-28 21:30:10,700 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-07-28 21:30:10,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:10,701 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-07-28 21:30:10,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:30:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:30:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:30:10,701 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:10,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:10,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:30:10,702 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:10,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:10,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1226466257, now seen corresponding path program 1 times [2020-07-28 21:30:10,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:10,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630820013] [2020-07-28 21:30:10,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:10,776 INFO L280 TraceCheckUtils]: 0: Hoare triple {3766#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1943~0.base_21|) (= 0 v_~y~0_21) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21|) |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21|)) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1943~0.base_21| 4) |v_#length_19|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_19|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_14|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1943~0.offset=|v_ULTIMATE.start_main_~#t1943~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t1943~0.base=|v_ULTIMATE.start_main_~#t1943~0.base_21|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1945~0.base, ULTIMATE.start_main_~#t1944~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1943~0.offset, ULTIMATE.start_main_~#t1945~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t1943~0.base, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {3768#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:10,777 INFO L280 TraceCheckUtils]: 1: Hoare triple {3768#(<= ~__unbuffered_p2_EAX~0 0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3768#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:10,778 INFO L280 TraceCheckUtils]: 2: Hoare triple {3768#(<= ~__unbuffered_p2_EAX~0 0)} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12|) |v_ULTIMATE.start_main_~#t1944~0.offset_10| 1))) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12| 1) |v_#valid_36|) (not (= 0 |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1944~0.base_12|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1944~0.base_12| 4)) (= |v_ULTIMATE.start_main_~#t1944~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_12|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1944~0.base, #length] {3768#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:10,779 INFO L280 TraceCheckUtils]: 3: Hoare triple {3768#(<= ~__unbuffered_p2_EAX~0 0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {3768#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:10,779 INFO L280 TraceCheckUtils]: 4: Hoare triple {3768#(<= ~__unbuffered_p2_EAX~0 0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {3768#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:10,780 INFO L280 TraceCheckUtils]: 5: Hoare triple {3768#(<= ~__unbuffered_p2_EAX~0 0)} [198] L772-1-->L774: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1945~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1945~0.base_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9|) |v_ULTIMATE.start_main_~#t1945~0.offset_9| 2))) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9| 1) |v_#valid_27|) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1945~0.base_9| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_9|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1945~0.offset, ULTIMATE.start_main_~#t1945~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {3768#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:10,781 INFO L280 TraceCheckUtils]: 6: Hoare triple {3768#(<= ~__unbuffered_p2_EAX~0 0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {3768#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:10,781 INFO L280 TraceCheckUtils]: 7: Hoare triple {3768#(<= ~__unbuffered_p2_EAX~0 0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3768#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:30:10,783 INFO L280 TraceCheckUtils]: 8: Hoare triple {3768#(<= ~__unbuffered_p2_EAX~0 0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:10,784 INFO L280 TraceCheckUtils]: 9: Hoare triple {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {3767#false} is VALID [2020-07-28 21:30:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:30:10,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630820013] [2020-07-28 21:30:10,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:10,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:30:10,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612931029] [2020-07-28 21:30:10,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:30:10,786 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:10,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:30:10,799 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:10,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:30:10,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:10,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:30:10,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:30:10,800 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 4 states. [2020-07-28 21:30:10,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:10,903 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-07-28 21:30:10,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:30:10,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:30:10,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:10,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:30:10,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:30:10,905 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-28 21:30:10,962 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:10,972 INFO L225 Difference]: With dead ends: 290 [2020-07-28 21:30:10,972 INFO L226 Difference]: Without dead ends: 242 [2020-07-28 21:30:10,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:30:10,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-28 21:30:10,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:10,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-07-28 21:30:11,027 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:11,027 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 242 states. [2020-07-28 21:30:11,028 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 21:30:11,028 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 21:30:11,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:11,041 INFO L93 Difference]: Finished difference Result 242 states and 670 transitions. [2020-07-28 21:30:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:30:11,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:11,042 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:11,042 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 21:30:11,042 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 21:30:11,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:11,060 INFO L93 Difference]: Finished difference Result 242 states and 670 transitions. [2020-07-28 21:30:11,060 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:30:11,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:11,061 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:11,061 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:11,061 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:11,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-28 21:30:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-07-28 21:30:11,071 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-07-28 21:30:11,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:11,071 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-07-28 21:30:11,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:30:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:30:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:30:11,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:11,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:11,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:30:11,073 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:11,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:11,073 INFO L82 PathProgramCache]: Analyzing trace with hash -635370963, now seen corresponding path program 1 times [2020-07-28 21:30:11,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:11,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352072821] [2020-07-28 21:30:11,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:11,148 INFO L280 TraceCheckUtils]: 0: Hoare triple {5032#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1943~0.base_21|) (= 0 v_~y~0_21) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21|) |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21|)) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1943~0.base_21| 4) |v_#length_19|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_19|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_14|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1943~0.offset=|v_ULTIMATE.start_main_~#t1943~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t1943~0.base=|v_ULTIMATE.start_main_~#t1943~0.base_21|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1945~0.base, ULTIMATE.start_main_~#t1944~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1943~0.offset, ULTIMATE.start_main_~#t1945~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t1943~0.base, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {5034#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:30:11,149 INFO L280 TraceCheckUtils]: 1: Hoare triple {5034#(<= ~__unbuffered_p0_EAX~0 0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5034#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:30:11,149 INFO L280 TraceCheckUtils]: 2: Hoare triple {5034#(<= ~__unbuffered_p0_EAX~0 0)} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12|) |v_ULTIMATE.start_main_~#t1944~0.offset_10| 1))) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12| 1) |v_#valid_36|) (not (= 0 |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1944~0.base_12|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1944~0.base_12| 4)) (= |v_ULTIMATE.start_main_~#t1944~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_12|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1944~0.base, #length] {5034#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:30:11,150 INFO L280 TraceCheckUtils]: 3: Hoare triple {5034#(<= ~__unbuffered_p0_EAX~0 0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {5034#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:30:11,151 INFO L280 TraceCheckUtils]: 4: Hoare triple {5034#(<= ~__unbuffered_p0_EAX~0 0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {5034#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:30:11,151 INFO L280 TraceCheckUtils]: 5: Hoare triple {5034#(<= ~__unbuffered_p0_EAX~0 0)} [198] L772-1-->L774: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1945~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1945~0.base_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9|) |v_ULTIMATE.start_main_~#t1945~0.offset_9| 2))) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9| 1) |v_#valid_27|) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1945~0.base_9| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_9|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1945~0.offset, ULTIMATE.start_main_~#t1945~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {5034#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:30:11,152 INFO L280 TraceCheckUtils]: 6: Hoare triple {5034#(<= ~__unbuffered_p0_EAX~0 0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {5034#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:30:11,153 INFO L280 TraceCheckUtils]: 7: Hoare triple {5034#(<= ~__unbuffered_p0_EAX~0 0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5034#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:30:11,153 INFO L280 TraceCheckUtils]: 8: Hoare triple {5034#(<= ~__unbuffered_p0_EAX~0 0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5034#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:30:11,155 INFO L280 TraceCheckUtils]: 9: Hoare triple {5034#(<= ~__unbuffered_p0_EAX~0 0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5035#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:11,156 INFO L280 TraceCheckUtils]: 10: Hoare triple {5035#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5033#false} is VALID [2020-07-28 21:30:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:30:11,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352072821] [2020-07-28 21:30:11,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:11,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:30:11,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395077771] [2020-07-28 21:30:11,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:30:11,158 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:11,158 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:30:11,172 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:11,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:30:11,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:11,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:30:11,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:30:11,173 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 4 states. [2020-07-28 21:30:11,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:11,272 INFO L93 Difference]: Finished difference Result 260 states and 694 transitions. [2020-07-28 21:30:11,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:30:11,272 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:30:11,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:30:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:30:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:30:11,274 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-28 21:30:11,340 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:11,347 INFO L225 Difference]: With dead ends: 260 [2020-07-28 21:30:11,347 INFO L226 Difference]: Without dead ends: 224 [2020-07-28 21:30:11,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:30:11,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-28 21:30:11,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-07-28 21:30:11,411 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:11,411 INFO L82 GeneralOperation]: Start isEquivalent. First operand 224 states. Second operand 224 states. [2020-07-28 21:30:11,411 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand 224 states. [2020-07-28 21:30:11,411 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 224 states. [2020-07-28 21:30:11,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:11,421 INFO L93 Difference]: Finished difference Result 224 states and 610 transitions. [2020-07-28 21:30:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:30:11,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:11,422 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:11,422 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand 224 states. [2020-07-28 21:30:11,423 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 224 states. [2020-07-28 21:30:11,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:11,433 INFO L93 Difference]: Finished difference Result 224 states and 610 transitions. [2020-07-28 21:30:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:30:11,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:11,434 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:11,434 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:11,434 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-28 21:30:11,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 610 transitions. [2020-07-28 21:30:11,444 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 610 transitions. Word has length 11 [2020-07-28 21:30:11,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:11,445 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 610 transitions. [2020-07-28 21:30:11,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:30:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:30:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:30:11,446 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:11,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:11,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:30:11,446 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:11,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:11,447 INFO L82 PathProgramCache]: Analyzing trace with hash 368404844, now seen corresponding path program 1 times [2020-07-28 21:30:11,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:11,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93564769] [2020-07-28 21:30:11,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:11,587 INFO L280 TraceCheckUtils]: 0: Hoare triple {6196#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1943~0.base_21|) (= 0 v_~y~0_21) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21|) |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21|)) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1943~0.base_21| 4) |v_#length_19|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_19|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_14|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1943~0.offset=|v_ULTIMATE.start_main_~#t1943~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t1943~0.base=|v_ULTIMATE.start_main_~#t1943~0.base_21|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1945~0.base, ULTIMATE.start_main_~#t1944~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1943~0.offset, ULTIMATE.start_main_~#t1945~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t1943~0.base, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:30:11,588 INFO L280 TraceCheckUtils]: 1: Hoare triple {6198#(<= ~x~0 0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:30:11,589 INFO L280 TraceCheckUtils]: 2: Hoare triple {6198#(<= ~x~0 0)} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12|) |v_ULTIMATE.start_main_~#t1944~0.offset_10| 1))) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12| 1) |v_#valid_36|) (not (= 0 |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1944~0.base_12|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1944~0.base_12| 4)) (= |v_ULTIMATE.start_main_~#t1944~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_12|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1944~0.base, #length] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:30:11,590 INFO L280 TraceCheckUtils]: 3: Hoare triple {6198#(<= ~x~0 0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:30:11,591 INFO L280 TraceCheckUtils]: 4: Hoare triple {6198#(<= ~x~0 0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:30:11,591 INFO L280 TraceCheckUtils]: 5: Hoare triple {6198#(<= ~x~0 0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:11,592 INFO L280 TraceCheckUtils]: 6: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [198] L772-1-->L774: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1945~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1945~0.base_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9|) |v_ULTIMATE.start_main_~#t1945~0.offset_9| 2))) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9| 1) |v_#valid_27|) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1945~0.base_9| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_9|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1945~0.offset, ULTIMATE.start_main_~#t1945~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:11,593 INFO L280 TraceCheckUtils]: 7: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:11,596 INFO L280 TraceCheckUtils]: 8: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:11,598 INFO L280 TraceCheckUtils]: 9: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:30:11,600 INFO L280 TraceCheckUtils]: 10: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6200#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:11,601 INFO L280 TraceCheckUtils]: 11: Hoare triple {6200#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {6197#false} is VALID [2020-07-28 21:30:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:30:11,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93564769] [2020-07-28 21:30:11,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:11,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:30:11,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013599754] [2020-07-28 21:30:11,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:30:11,604 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:11,604 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:30:11,624 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:11,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:30:11,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:11,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:30:11,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:30:11,626 INFO L87 Difference]: Start difference. First operand 224 states and 610 transitions. Second operand 5 states. [2020-07-28 21:30:11,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:11,793 INFO L93 Difference]: Finished difference Result 293 states and 773 transitions. [2020-07-28 21:30:11,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:30:11,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:30:11,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:30:11,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2020-07-28 21:30:11,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:30:11,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2020-07-28 21:30:11,796 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 52 transitions. [2020-07-28 21:30:11,860 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:11,863 INFO L225 Difference]: With dead ends: 293 [2020-07-28 21:30:11,864 INFO L226 Difference]: Without dead ends: 146 [2020-07-28 21:30:11,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:30:11,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-28 21:30:11,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:11,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-07-28 21:30:11,905 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:11,905 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand 146 states. [2020-07-28 21:30:11,905 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:30:11,905 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:30:11,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:11,910 INFO L93 Difference]: Finished difference Result 146 states and 358 transitions. [2020-07-28 21:30:11,911 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:30:11,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:11,911 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:11,912 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:30:11,912 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:30:11,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:11,917 INFO L93 Difference]: Finished difference Result 146 states and 358 transitions. [2020-07-28 21:30:11,917 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:30:11,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:11,918 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:11,918 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:11,918 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-28 21:30:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 358 transitions. [2020-07-28 21:30:11,923 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 358 transitions. Word has length 12 [2020-07-28 21:30:11,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:11,924 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 358 transitions. [2020-07-28 21:30:11,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:30:11,924 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:30:11,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:30:11,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:11,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:11,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:30:11,925 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:11,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:11,926 INFO L82 PathProgramCache]: Analyzing trace with hash 257080554, now seen corresponding path program 1 times [2020-07-28 21:30:11,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:11,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417442460] [2020-07-28 21:30:11,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:12,021 INFO L280 TraceCheckUtils]: 0: Hoare triple {7086#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1943~0.base_21|) (= 0 v_~y~0_21) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21|) |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21|)) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1943~0.base_21| 4) |v_#length_19|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_19|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_14|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1943~0.offset=|v_ULTIMATE.start_main_~#t1943~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t1943~0.base=|v_ULTIMATE.start_main_~#t1943~0.base_21|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1945~0.base, ULTIMATE.start_main_~#t1944~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1943~0.offset, ULTIMATE.start_main_~#t1945~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t1943~0.base, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {7088#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~z~0))} is VALID [2020-07-28 21:30:12,022 INFO L280 TraceCheckUtils]: 1: Hoare triple {7088#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~z~0))} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7088#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~z~0))} is VALID [2020-07-28 21:30:12,027 INFO L280 TraceCheckUtils]: 2: Hoare triple {7088#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~z~0))} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12|) |v_ULTIMATE.start_main_~#t1944~0.offset_10| 1))) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12| 1) |v_#valid_36|) (not (= 0 |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1944~0.base_12|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1944~0.base_12| 4)) (= |v_ULTIMATE.start_main_~#t1944~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_12|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1944~0.base, #length] {7088#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~z~0))} is VALID [2020-07-28 21:30:12,028 INFO L280 TraceCheckUtils]: 3: Hoare triple {7088#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~z~0))} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} is VALID [2020-07-28 21:30:12,029 INFO L280 TraceCheckUtils]: 4: Hoare triple {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} [150] L717-->L720: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} is VALID [2020-07-28 21:30:12,030 INFO L280 TraceCheckUtils]: 5: Hoare triple {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} is VALID [2020-07-28 21:30:12,030 INFO L280 TraceCheckUtils]: 6: Hoare triple {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} is VALID [2020-07-28 21:30:12,032 INFO L280 TraceCheckUtils]: 7: Hoare triple {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} [198] L772-1-->L774: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1945~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1945~0.base_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9|) |v_ULTIMATE.start_main_~#t1945~0.offset_9| 2))) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9| 1) |v_#valid_27|) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1945~0.base_9| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_9|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1945~0.offset, ULTIMATE.start_main_~#t1945~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} is VALID [2020-07-28 21:30:12,033 INFO L280 TraceCheckUtils]: 8: Hoare triple {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} is VALID [2020-07-28 21:30:12,034 INFO L280 TraceCheckUtils]: 9: Hoare triple {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} is VALID [2020-07-28 21:30:12,035 INFO L280 TraceCheckUtils]: 10: Hoare triple {7089#(and (<= ~__unbuffered_cnt~0 0) (= 0 ~__unbuffered_p0_EAX~0))} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {7090#(not (= 1 ~__unbuffered_p0_EAX~0))} is VALID [2020-07-28 21:30:12,038 INFO L280 TraceCheckUtils]: 11: Hoare triple {7090#(not (= 1 ~__unbuffered_p0_EAX~0))} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {7091#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:12,039 INFO L280 TraceCheckUtils]: 12: Hoare triple {7091#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {7087#false} is VALID [2020-07-28 21:30:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:30:12,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417442460] [2020-07-28 21:30:12,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:12,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:30:12,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579212575] [2020-07-28 21:30:12,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-07-28 21:30:12,041 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:12,041 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 21:30:12,060 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:12,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 21:30:12,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:12,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 21:30:12,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:30:12,061 INFO L87 Difference]: Start difference. First operand 146 states and 358 transitions. Second operand 6 states. [2020-07-28 21:30:12,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:12,308 INFO L93 Difference]: Finished difference Result 188 states and 451 transitions. [2020-07-28 21:30:12,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 21:30:12,309 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-07-28 21:30:12,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:12,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:30:12,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 65 transitions. [2020-07-28 21:30:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:30:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 65 transitions. [2020-07-28 21:30:12,313 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 65 transitions. [2020-07-28 21:30:12,407 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:12,408 INFO L225 Difference]: With dead ends: 188 [2020-07-28 21:30:12,408 INFO L226 Difference]: Without dead ends: 74 [2020-07-28 21:30:12,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-28 21:30:12,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-28 21:30:12,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:30:12,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-07-28 21:30:12,426 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:12,426 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand 74 states. [2020-07-28 21:30:12,426 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 74 states. [2020-07-28 21:30:12,426 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 74 states. [2020-07-28 21:30:12,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:12,429 INFO L93 Difference]: Finished difference Result 74 states and 164 transitions. [2020-07-28 21:30:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2020-07-28 21:30:12,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:12,430 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:12,430 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 74 states. [2020-07-28 21:30:12,430 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 74 states. [2020-07-28 21:30:12,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:12,433 INFO L93 Difference]: Finished difference Result 74 states and 164 transitions. [2020-07-28 21:30:12,433 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2020-07-28 21:30:12,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:12,433 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:12,433 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:12,433 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-07-28 21:30:12,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 164 transitions. [2020-07-28 21:30:12,436 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 164 transitions. Word has length 13 [2020-07-28 21:30:12,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:12,436 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 164 transitions. [2020-07-28 21:30:12,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 21:30:12,437 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2020-07-28 21:30:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:30:12,437 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:30:12,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:30:12,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:30:12,438 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:30:12,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:30:12,438 INFO L82 PathProgramCache]: Analyzing trace with hash -2118870046, now seen corresponding path program 1 times [2020-07-28 21:30:12,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:30:12,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433475835] [2020-07-28 21:30:12,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:30:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:30:12,554 INFO L280 TraceCheckUtils]: 0: Hoare triple {7586#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1943~0.base_21|) (= 0 v_~y~0_21) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1943~0.base_21|) |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= |v_ULTIMATE.start_main_~#t1943~0.offset_15| 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1943~0.base_21|)) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1943~0.base_21| 4) |v_#length_19|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_19|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_14|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1943~0.offset=|v_ULTIMATE.start_main_~#t1943~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t1943~0.base=|v_ULTIMATE.start_main_~#t1943~0.base_21|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1945~0.base, ULTIMATE.start_main_~#t1944~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1943~0.offset, ULTIMATE.start_main_~#t1945~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t1943~0.base, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {7588#(= 0 ~y~0)} is VALID [2020-07-28 21:30:12,555 INFO L280 TraceCheckUtils]: 1: Hoare triple {7588#(= 0 ~y~0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7588#(= 0 ~y~0)} is VALID [2020-07-28 21:30:12,555 INFO L280 TraceCheckUtils]: 2: Hoare triple {7588#(= 0 ~y~0)} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1944~0.base_12|) |v_ULTIMATE.start_main_~#t1944~0.offset_10| 1))) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1944~0.base_12| 1) |v_#valid_36|) (not (= 0 |v_ULTIMATE.start_main_~#t1944~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1944~0.base_12|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1944~0.base_12| 4)) (= |v_ULTIMATE.start_main_~#t1944~0.offset_10| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1944~0.offset=|v_ULTIMATE.start_main_~#t1944~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t1944~0.base=|v_ULTIMATE.start_main_~#t1944~0.base_12|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1944~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1944~0.base, #length] {7588#(= 0 ~y~0)} is VALID [2020-07-28 21:30:12,556 INFO L280 TraceCheckUtils]: 3: Hoare triple {7588#(= 0 ~y~0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {7588#(= 0 ~y~0)} is VALID [2020-07-28 21:30:12,557 INFO L280 TraceCheckUtils]: 4: Hoare triple {7588#(= 0 ~y~0)} [198] L772-1-->L774: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1945~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1945~0.base_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1945~0.base_9|) |v_ULTIMATE.start_main_~#t1945~0.offset_9| 2))) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9| 1) |v_#valid_27|) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1945~0.base_9|)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1945~0.base_9| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1945~0.offset=|v_ULTIMATE.start_main_~#t1945~0.offset_9|, ULTIMATE.start_main_~#t1945~0.base=|v_ULTIMATE.start_main_~#t1945~0.base_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1945~0.offset, ULTIMATE.start_main_~#t1945~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {7588#(= 0 ~y~0)} is VALID [2020-07-28 21:30:12,557 INFO L280 TraceCheckUtils]: 5: Hoare triple {7588#(= 0 ~y~0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {7588#(= 0 ~y~0)} is VALID [2020-07-28 21:30:12,558 INFO L280 TraceCheckUtils]: 6: Hoare triple {7588#(= 0 ~y~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {7589#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:30:12,559 INFO L280 TraceCheckUtils]: 7: Hoare triple {7589#(= 0 ~__unbuffered_p2_EAX~0)} [162] L747-->L750: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] {7589#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:30:12,559 INFO L280 TraceCheckUtils]: 8: Hoare triple {7589#(= 0 ~__unbuffered_p2_EAX~0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7589#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:30:12,560 INFO L280 TraceCheckUtils]: 9: Hoare triple {7589#(= 0 ~__unbuffered_p2_EAX~0)} [150] L717-->L720: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {7589#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:30:12,561 INFO L280 TraceCheckUtils]: 10: Hoare triple {7589#(= 0 ~__unbuffered_p2_EAX~0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {7589#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:30:12,561 INFO L280 TraceCheckUtils]: 11: Hoare triple {7589#(= 0 ~__unbuffered_p2_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {7589#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:30:12,563 INFO L280 TraceCheckUtils]: 12: Hoare triple {7589#(= 0 ~__unbuffered_p2_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {7590#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:30:12,563 INFO L280 TraceCheckUtils]: 13: Hoare triple {7590#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {7587#false} is VALID [2020-07-28 21:30:12,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:30:12,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433475835] [2020-07-28 21:30:12,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:30:12,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:30:12,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490252049] [2020-07-28 21:30:12,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:30:12,566 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:30:12,566 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:30:12,583 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:12,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:30:12,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:30:12,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:30:12,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:30:12,584 INFO L87 Difference]: Start difference. First operand 74 states and 164 transitions. Second operand 5 states. [2020-07-28 21:30:12,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:12,682 INFO L93 Difference]: Finished difference Result 62 states and 132 transitions. [2020-07-28 21:30:12,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:30:12,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:30:12,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:30:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:30:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2020-07-28 21:30:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:30:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2020-07-28 21:30:12,683 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 29 transitions. [2020-07-28 21:30:12,717 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:30:12,717 INFO L225 Difference]: With dead ends: 62 [2020-07-28 21:30:12,717 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:30:12,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:30:12,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:30:12,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:30:12,718 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:30:12,718 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:30:12,718 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:30:12,719 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:30:12,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:12,719 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:30:12,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:30:12,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:12,720 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:12,720 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:30:12,720 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:30:12,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:30:12,721 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:30:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:30:12,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:12,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:30:12,721 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:30:12,721 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:30:12,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:30:12,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:30:12,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-07-28 21:30:12,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:30:12,722 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:30:12,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:30:12,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:30:12,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:30:12,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:30:12,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:30:12 BasicIcfg [2020-07-28 21:30:12,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:30:12,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:30:12,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:30:12,727 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:30:12,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:30:06" (3/4) ... [2020-07-28 21:30:12,732 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:30:12,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:30:12,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:30:12,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:30:12,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:30:12,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:30:12,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:30:12,807 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:30:12,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:30:12,810 INFO L168 Benchmark]: Toolchain (without parser) took 7412.87 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 159.4 MB. Max. memory is 11.5 GB. [2020-07-28 21:30:12,810 INFO L168 Benchmark]: CDTParser took 0.34 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 21:30:12,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:30:12,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:30:12,812 INFO L168 Benchmark]: Boogie Preprocessor took 31.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:30:12,812 INFO L168 Benchmark]: RCFGBuilder took 632.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2020-07-28 21:30:12,813 INFO L168 Benchmark]: TraceAbstraction took 5885.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 162.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.4 MB). Peak memory consumption was 129.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:30:12,813 INFO L168 Benchmark]: Witness Printer took 79.65 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2020-07-28 21:30:12,817 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 0.34 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 720.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 632.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5885.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 162.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.4 MB). Peak memory consumption was 129.6 MB. Max. memory is 11.5 GB. * Witness Printer took 79.65 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 688 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 0 MoverChecksTotal, 2463 CheckedPairsTotal, 57 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 149 SDtfs, 167 SDslu, 217 SDs, 0 SdLazy, 74 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...