/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:24:13,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:24:13,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:24:13,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:24:13,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:24:13,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:24:13,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:24:13,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:24:13,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:24:13,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:24:13,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:24:13,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:24:13,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:24:13,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:24:13,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:24:13,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:24:13,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:24:13,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:24:13,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:24:13,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:24:13,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:24:13,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:24:13,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:24:13,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:24:13,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:24:13,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:24:13,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:24:13,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:24:13,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:24:13,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:24:13,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:24:13,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:24:13,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:24:13,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:24:13,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:24:13,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:24:13,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:24:13,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:24:13,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:24:13,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:24:13,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:24:13,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 02:24:13,287 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:24:13,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:24:13,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:24:13,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:24:13,289 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:24:13,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:24:13,290 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:24:13,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:24:13,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:24:13,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:24:13,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:24:13,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:24:13,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:24:13,293 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:24:13,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:24:13,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:24:13,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:24:13,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:24:13,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:24:13,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:24:13,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:24:13,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:24:13,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:24:13,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:24:13,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:24:13,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:24:13,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:24:13,297 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:24:13,297 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:24:13,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:24:13,297 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:24:13,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:24:13,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:24:13,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:24:13,588 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:24:13,588 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:24:13,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_rmo.oepc.i [2020-10-22 02:24:13,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e621f679/f75aa738ad81495f9c9a77e9491b841a/FLAG13bcc29c7 [2020-10-22 02:24:14,210 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:24:14,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_rmo.oepc.i [2020-10-22 02:24:14,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e621f679/f75aa738ad81495f9c9a77e9491b841a/FLAG13bcc29c7 [2020-10-22 02:24:14,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e621f679/f75aa738ad81495f9c9a77e9491b841a [2020-10-22 02:24:14,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:24:14,482 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:24:14,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:24:14,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:24:14,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:24:14,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:24:14" (1/1) ... [2020-10-22 02:24:14,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ffdc1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:14, skipping insertion in model container [2020-10-22 02:24:14,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:24:14" (1/1) ... [2020-10-22 02:24:14,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:24:14,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:24:15,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:24:15,041 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:24:15,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:24:15,231 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:24:15,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15 WrapperNode [2020-10-22 02:24:15,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:24:15,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:24:15,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:24:15,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:24:15,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (1/1) ... [2020-10-22 02:24:15,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (1/1) ... [2020-10-22 02:24:15,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:24:15,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:24:15,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:24:15,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:24:15,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (1/1) ... [2020-10-22 02:24:15,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (1/1) ... [2020-10-22 02:24:15,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (1/1) ... [2020-10-22 02:24:15,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (1/1) ... [2020-10-22 02:24:15,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (1/1) ... [2020-10-22 02:24:15,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (1/1) ... [2020-10-22 02:24:15,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (1/1) ... [2020-10-22 02:24:15,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:24:15,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:24:15,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:24:15,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:24:15,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:24:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:24:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:24:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 02:24:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:24:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:24:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 02:24:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 02:24:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 02:24:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 02:24:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 02:24:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 02:24:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-22 02:24:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-22 02:24:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:24:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 02:24:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:24:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:24:15,425 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:24:17,251 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:24:17,251 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 02:24:17,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:24:17 BoogieIcfgContainer [2020-10-22 02:24:17,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:24:17,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:24:17,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:24:17,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:24:17,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:24:14" (1/3) ... [2020-10-22 02:24:17,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78253898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:24:17, skipping insertion in model container [2020-10-22 02:24:17,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:24:15" (2/3) ... [2020-10-22 02:24:17,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78253898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:24:17, skipping insertion in model container [2020-10-22 02:24:17,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:24:17" (3/3) ... [2020-10-22 02:24:17,262 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_rmo.oepc.i [2020-10-22 02:24:17,274 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:24:17,274 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:24:17,282 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:24:17,282 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:24:17,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,315 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,316 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,328 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,328 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,329 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,329 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,329 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,330 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,330 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,330 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,330 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,330 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,330 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,333 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,337 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,337 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,342 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,342 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,342 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,342 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,343 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,343 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,343 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,343 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,343 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,344 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,344 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,349 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,349 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,350 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,356 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,356 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:24:17,358 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:24:17,371 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 02:24:17,393 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:24:17,393 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:24:17,393 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:24:17,393 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:24:17,393 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:24:17,394 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:24:17,394 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:24:17,394 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:24:17,409 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:24:17,410 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 137 transitions, 294 flow [2020-10-22 02:24:17,413 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 137 transitions, 294 flow [2020-10-22 02:24:17,415 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 147 places, 137 transitions, 294 flow [2020-10-22 02:24:17,477 INFO L129 PetriNetUnfolder]: 3/133 cut-off events. [2020-10-22 02:24:17,477 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:24:17,484 INFO L80 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 3/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2020-10-22 02:24:17,488 INFO L116 LiptonReduction]: Number of co-enabled transitions 2406 [2020-10-22 02:24:18,981 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 238 DAG size of output: 198 [2020-10-22 02:24:19,025 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-22 02:24:19,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:24:19,749 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2020-10-22 02:24:20,706 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2020-10-22 02:24:20,718 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 4, 2, 1] term [2020-10-22 02:24:20,719 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:24:20,720 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-22 02:24:20,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 02:24:20,824 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-22 02:24:21,592 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-10-22 02:24:22,153 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-10-22 02:24:22,880 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-22 02:24:23,012 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-22 02:24:23,143 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-22 02:24:23,273 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-22 02:24:24,137 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 173 [2020-10-22 02:24:24,575 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-22 02:24:24,583 INFO L131 LiptonReduction]: Checked pairs total: 6244 [2020-10-22 02:24:24,584 INFO L133 LiptonReduction]: Total number of compositions: 121 [2020-10-22 02:24:24,591 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 29 transitions, 78 flow [2020-10-22 02:24:24,703 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1770 states. [2020-10-22 02:24:24,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states. [2020-10-22 02:24:24,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:24:24,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:24,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:24,719 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:24,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:24,725 INFO L82 PathProgramCache]: Analyzing trace with hash 2025594428, now seen corresponding path program 1 times [2020-10-22 02:24:24,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:24,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567621820] [2020-10-22 02:24:24,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:25,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567621820] [2020-10-22 02:24:25,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:25,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:24:25,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1361676573] [2020-10-22 02:24:25,098 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:25,102 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:25,121 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 02:24:25,121 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:25,126 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:25,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:24:25,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:25,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:24:25,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:24:25,145 INFO L87 Difference]: Start difference. First operand 1770 states. Second operand 3 states. [2020-10-22 02:24:25,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:25,202 INFO L93 Difference]: Finished difference Result 1690 states and 6328 transitions. [2020-10-22 02:24:25,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:24:25,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-22 02:24:25,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:25,236 INFO L225 Difference]: With dead ends: 1690 [2020-10-22 02:24:25,237 INFO L226 Difference]: Without dead ends: 1370 [2020-10-22 02:24:25,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:24:25,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-10-22 02:24:25,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1370. [2020-10-22 02:24:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1370 states. [2020-10-22 02:24:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 5032 transitions. [2020-10-22 02:24:25,368 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 5032 transitions. Word has length 11 [2020-10-22 02:24:25,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:25,369 INFO L481 AbstractCegarLoop]: Abstraction has 1370 states and 5032 transitions. [2020-10-22 02:24:25,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:24:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 5032 transitions. [2020-10-22 02:24:25,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 02:24:25,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:25,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:25,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:24:25,373 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:25,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:25,374 INFO L82 PathProgramCache]: Analyzing trace with hash 698605351, now seen corresponding path program 1 times [2020-10-22 02:24:25,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:25,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276628320] [2020-10-22 02:24:25,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:25,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276628320] [2020-10-22 02:24:25,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:25,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:24:25,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [489405953] [2020-10-22 02:24:25,455 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:25,457 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:25,460 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 24 transitions. [2020-10-22 02:24:25,461 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:25,554 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:25,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:24:25,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:25,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:24:25,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:24:25,556 INFO L87 Difference]: Start difference. First operand 1370 states and 5032 transitions. Second operand 4 states. [2020-10-22 02:24:25,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:25,596 INFO L93 Difference]: Finished difference Result 1670 states and 5910 transitions. [2020-10-22 02:24:25,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:24:25,597 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-22 02:24:25,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:25,604 INFO L225 Difference]: With dead ends: 1670 [2020-10-22 02:24:25,604 INFO L226 Difference]: Without dead ends: 830 [2020-10-22 02:24:25,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:24:25,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-10-22 02:24:25,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2020-10-22 02:24:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-10-22 02:24:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 2792 transitions. [2020-10-22 02:24:25,634 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 2792 transitions. Word has length 12 [2020-10-22 02:24:25,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:25,634 INFO L481 AbstractCegarLoop]: Abstraction has 830 states and 2792 transitions. [2020-10-22 02:24:25,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:24:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2792 transitions. [2020-10-22 02:24:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 02:24:25,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:25,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:25,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:24:25,637 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:25,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:25,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1967353768, now seen corresponding path program 1 times [2020-10-22 02:24:25,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:25,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694348729] [2020-10-22 02:24:25,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:25,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694348729] [2020-10-22 02:24:25,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:25,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:24:25,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1890514589] [2020-10-22 02:24:25,723 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:25,725 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:25,731 INFO L252 McrAutomatonBuilder]: Finished intersection with 29 states and 42 transitions. [2020-10-22 02:24:25,731 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:25,908 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:25,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:24:25,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:25,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:24:25,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:24:25,909 INFO L87 Difference]: Start difference. First operand 830 states and 2792 transitions. Second operand 3 states. [2020-10-22 02:24:25,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:25,922 INFO L93 Difference]: Finished difference Result 806 states and 2698 transitions. [2020-10-22 02:24:25,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:24:25,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-22 02:24:25,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:25,929 INFO L225 Difference]: With dead ends: 806 [2020-10-22 02:24:25,929 INFO L226 Difference]: Without dead ends: 806 [2020-10-22 02:24:25,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:24:25,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-10-22 02:24:25,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 806. [2020-10-22 02:24:25,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2020-10-22 02:24:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 2698 transitions. [2020-10-22 02:24:25,955 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 2698 transitions. Word has length 14 [2020-10-22 02:24:25,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:25,956 INFO L481 AbstractCegarLoop]: Abstraction has 806 states and 2698 transitions. [2020-10-22 02:24:25,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:24:25,956 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 2698 transitions. [2020-10-22 02:24:25,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 02:24:25,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:25,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:25,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:24:25,958 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:25,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:25,959 INFO L82 PathProgramCache]: Analyzing trace with hash 857901984, now seen corresponding path program 1 times [2020-10-22 02:24:25,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:25,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562585038] [2020-10-22 02:24:25,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:26,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562585038] [2020-10-22 02:24:26,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:26,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:24:26,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1586187885] [2020-10-22 02:24:26,051 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:26,054 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:26,069 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 63 transitions. [2020-10-22 02:24:26,069 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:26,394 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:26,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:24:26,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:26,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:24:26,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:24:26,396 INFO L87 Difference]: Start difference. First operand 806 states and 2698 transitions. Second operand 4 states. [2020-10-22 02:24:26,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:26,456 INFO L93 Difference]: Finished difference Result 998 states and 3258 transitions. [2020-10-22 02:24:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:24:26,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-22 02:24:26,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:26,461 INFO L225 Difference]: With dead ends: 998 [2020-10-22 02:24:26,461 INFO L226 Difference]: Without dead ends: 518 [2020-10-22 02:24:26,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:24:26,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-10-22 02:24:26,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2020-10-22 02:24:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-22 02:24:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 1582 transitions. [2020-10-22 02:24:26,483 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 1582 transitions. Word has length 15 [2020-10-22 02:24:26,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:26,483 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 1582 transitions. [2020-10-22 02:24:26,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:24:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1582 transitions. [2020-10-22 02:24:26,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:24:26,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:26,521 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:26,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:24:26,521 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:26,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:26,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1160593472, now seen corresponding path program 1 times [2020-10-22 02:24:26,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:26,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426224760] [2020-10-22 02:24:26,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:26,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426224760] [2020-10-22 02:24:26,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:26,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:24:26,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [867804999] [2020-10-22 02:24:26,582 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:26,584 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:26,612 INFO L252 McrAutomatonBuilder]: Finished intersection with 68 states and 137 transitions. [2020-10-22 02:24:26,613 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:27,309 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:27,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:24:27,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:27,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:24:27,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:24:27,310 INFO L87 Difference]: Start difference. First operand 518 states and 1582 transitions. Second operand 4 states. [2020-10-22 02:24:27,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:27,343 INFO L93 Difference]: Finished difference Result 658 states and 1974 transitions. [2020-10-22 02:24:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:24:27,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-22 02:24:27,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:27,346 INFO L225 Difference]: With dead ends: 658 [2020-10-22 02:24:27,346 INFO L226 Difference]: Without dead ends: 268 [2020-10-22 02:24:27,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:24:27,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-22 02:24:27,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2020-10-22 02:24:27,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-22 02:24:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 736 transitions. [2020-10-22 02:24:27,355 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 736 transitions. Word has length 17 [2020-10-22 02:24:27,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:27,355 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 736 transitions. [2020-10-22 02:24:27,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:24:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 736 transitions. [2020-10-22 02:24:27,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 02:24:27,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:27,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:27,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:24:27,357 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:27,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:27,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1755346794, now seen corresponding path program 1 times [2020-10-22 02:24:27,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:27,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142333665] [2020-10-22 02:24:27,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:27,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:27,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142333665] [2020-10-22 02:24:27,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:27,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-22 02:24:27,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [975902319] [2020-10-22 02:24:27,878 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:27,881 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:27,898 INFO L252 McrAutomatonBuilder]: Finished intersection with 49 states and 78 transitions. [2020-10-22 02:24:27,899 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:28,990 INFO L603 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-10-22 02:24:28,993 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:24:28,996 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:24:29,001 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[5, 5, 4, 3, 4, 3, 2, 2, 1] term [2020-10-22 02:24:29,001 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 02:24:29,008 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:24:29,009 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:24:29,009 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:24:29,012 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-10-22 02:24:29,021 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:24:29,031 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:24:29,037 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:24:29,039 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:24:29,045 INFO L603 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-10-22 02:24:29,046 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:24:29,047 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:24:29,053 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:24:29,064 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:24:29,068 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:24:29,086 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:24:29,098 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 4, 3, 4, 2, 2, 1] term [2020-10-22 02:24:29,099 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 02:24:29,100 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:24:29,100 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:24:29,108 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-10-22 02:24:29,111 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 4, 3, 4, 2, 1] term [2020-10-22 02:24:29,111 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:24:29,113 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-22 02:24:29,114 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:24:29,115 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:24:29,125 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:24:29,127 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-10-22 02:24:29,131 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:24:29,312 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 14 [2020-10-22 02:24:29,346 INFO L603 QuantifierPusher]: Distributing 7 disjuncts over 3 conjuncts [2020-10-22 02:24:29,454 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [17128#(and (= ~a$w_buff0_used~0 0) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) 0) (= ~a$r_buff1_thd0~0 0) (= |~#a~0.offset| 0))] [2020-10-22 02:24:29,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 02:24:29,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:29,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 02:24:29,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-22 02:24:29,456 INFO L87 Difference]: Start difference. First operand 268 states and 736 transitions. Second operand 9 states. [2020-10-22 02:24:29,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:29,586 INFO L93 Difference]: Finished difference Result 260 states and 708 transitions. [2020-10-22 02:24:29,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:24:29,587 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-10-22 02:24:29,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:29,589 INFO L225 Difference]: With dead ends: 260 [2020-10-22 02:24:29,589 INFO L226 Difference]: Without dead ends: 260 [2020-10-22 02:24:29,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-22 02:24:29,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-22 02:24:29,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2020-10-22 02:24:29,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-22 02:24:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 708 transitions. [2020-10-22 02:24:29,598 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 708 transitions. Word has length 18 [2020-10-22 02:24:29,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:29,598 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 708 transitions. [2020-10-22 02:24:29,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 02:24:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 708 transitions. [2020-10-22 02:24:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 02:24:29,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:29,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:29,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:24:29,600 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:29,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:29,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1421253538, now seen corresponding path program 1 times [2020-10-22 02:24:29,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:29,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109090664] [2020-10-22 02:24:29,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:29,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:29,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109090664] [2020-10-22 02:24:29,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:29,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:24:29,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1324362482] [2020-10-22 02:24:29,699 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:29,702 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:29,711 INFO L252 McrAutomatonBuilder]: Finished intersection with 45 states and 69 transitions. [2020-10-22 02:24:29,711 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:29,977 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:24:29,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:24:29,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:29,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:24:29,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:24:29,979 INFO L87 Difference]: Start difference. First operand 260 states and 708 transitions. Second operand 4 states. [2020-10-22 02:24:30,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:30,033 INFO L93 Difference]: Finished difference Result 292 states and 748 transitions. [2020-10-22 02:24:30,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:24:30,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-22 02:24:30,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:30,037 INFO L225 Difference]: With dead ends: 292 [2020-10-22 02:24:30,037 INFO L226 Difference]: Without dead ends: 238 [2020-10-22 02:24:30,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:24:30,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-22 02:24:30,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-10-22 02:24:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-10-22 02:24:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 622 transitions. [2020-10-22 02:24:30,045 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 622 transitions. Word has length 19 [2020-10-22 02:24:30,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:30,045 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 622 transitions. [2020-10-22 02:24:30,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:24:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 622 transitions. [2020-10-22 02:24:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 02:24:30,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:30,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:30,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 02:24:30,047 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:30,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:30,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1159052340, now seen corresponding path program 1 times [2020-10-22 02:24:30,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:30,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623973034] [2020-10-22 02:24:30,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:30,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623973034] [2020-10-22 02:24:30,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:30,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 02:24:30,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [630360272] [2020-10-22 02:24:30,154 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:30,158 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:30,170 INFO L252 McrAutomatonBuilder]: Finished intersection with 55 states and 92 transitions. [2020-10-22 02:24:30,170 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:30,666 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [18690#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 02:24:30,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 02:24:30,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:30,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 02:24:30,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:24:30,667 INFO L87 Difference]: Start difference. First operand 238 states and 622 transitions. Second operand 6 states. [2020-10-22 02:24:30,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:30,724 INFO L93 Difference]: Finished difference Result 237 states and 565 transitions. [2020-10-22 02:24:30,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:24:30,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-22 02:24:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:30,727 INFO L225 Difference]: With dead ends: 237 [2020-10-22 02:24:30,727 INFO L226 Difference]: Without dead ends: 193 [2020-10-22 02:24:30,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:24:30,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-10-22 02:24:30,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-10-22 02:24:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-22 02:24:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 458 transitions. [2020-10-22 02:24:30,734 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 458 transitions. Word has length 20 [2020-10-22 02:24:30,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:30,734 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 458 transitions. [2020-10-22 02:24:30,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 02:24:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 458 transitions. [2020-10-22 02:24:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-22 02:24:30,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:30,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:30,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 02:24:30,736 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:30,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:30,736 INFO L82 PathProgramCache]: Analyzing trace with hash 60486810, now seen corresponding path program 1 times [2020-10-22 02:24:30,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:30,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184927793] [2020-10-22 02:24:30,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:30,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184927793] [2020-10-22 02:24:30,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:30,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 02:24:30,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [55205575] [2020-10-22 02:24:30,823 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:30,826 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:30,841 INFO L252 McrAutomatonBuilder]: Finished intersection with 68 states and 121 transitions. [2020-10-22 02:24:30,841 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:31,339 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [19322#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 02:24:31,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 02:24:31,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:31,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 02:24:31,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:24:31,340 INFO L87 Difference]: Start difference. First operand 193 states and 458 transitions. Second operand 7 states. [2020-10-22 02:24:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:31,412 INFO L93 Difference]: Finished difference Result 175 states and 389 transitions. [2020-10-22 02:24:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 02:24:31,415 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-22 02:24:31,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:31,416 INFO L225 Difference]: With dead ends: 175 [2020-10-22 02:24:31,416 INFO L226 Difference]: Without dead ends: 150 [2020-10-22 02:24:31,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:24:31,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-22 02:24:31,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-10-22 02:24:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-22 02:24:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 333 transitions. [2020-10-22 02:24:31,421 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 333 transitions. Word has length 21 [2020-10-22 02:24:31,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:31,422 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 333 transitions. [2020-10-22 02:24:31,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 02:24:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 333 transitions. [2020-10-22 02:24:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-22 02:24:31,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:31,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:31,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 02:24:31,423 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:31,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:31,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1532954767, now seen corresponding path program 1 times [2020-10-22 02:24:31,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:31,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341232597] [2020-10-22 02:24:31,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:24:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:24:31,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341232597] [2020-10-22 02:24:31,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:24:31,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-22 02:24:31,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1927520264] [2020-10-22 02:24:31,507 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:24:31,511 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:24:31,528 INFO L252 McrAutomatonBuilder]: Finished intersection with 71 states and 126 transitions. [2020-10-22 02:24:31,529 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:24:32,049 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [19807#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 02:24:32,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 02:24:32,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:24:32,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 02:24:32,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:24:32,050 INFO L87 Difference]: Start difference. First operand 150 states and 333 transitions. Second operand 8 states. [2020-10-22 02:24:32,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:24:32,122 INFO L93 Difference]: Finished difference Result 139 states and 309 transitions. [2020-10-22 02:24:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 02:24:32,122 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-10-22 02:24:32,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:24:32,124 INFO L225 Difference]: With dead ends: 139 [2020-10-22 02:24:32,124 INFO L226 Difference]: Without dead ends: 131 [2020-10-22 02:24:32,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-22 02:24:32,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-22 02:24:32,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-22 02:24:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-22 02:24:32,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 295 transitions. [2020-10-22 02:24:32,128 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 295 transitions. Word has length 22 [2020-10-22 02:24:32,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:24:32,128 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 295 transitions. [2020-10-22 02:24:32,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 02:24:32,129 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 295 transitions. [2020-10-22 02:24:32,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-22 02:24:32,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:24:32,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:24:32,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-22 02:24:32,130 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:24:32,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:24:32,130 INFO L82 PathProgramCache]: Analyzing trace with hash -69702830, now seen corresponding path program 1 times [2020-10-22 02:24:32,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:24:32,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541314336] [2020-10-22 02:24:32,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:24:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:24:32,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:24:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:24:32,263 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:24:32,324 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:24:32,325 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:24:32,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-22 02:24:32,326 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 02:24:32,350 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [974] [974] L3-->L878: Formula: (let ((.cse7 (= 0 (mod ~a$w_buff0_used~0_In2037186022 256))) (.cse8 (= (mod ~a$r_buff0_thd0~0_In2037186022 256) 0)) (.cse9 (= (mod ~a$w_buff1_used~0_In2037186022 256) 0)) (.cse10 (= (mod ~a$r_buff1_thd0~0_In2037186022 256) 0))) (let ((.cse0 (not .cse10)) (.cse1 (not .cse9)) (.cse2 (or .cse9 .cse10)) (.cse6 (or .cse7 .cse8)) (.cse3 (not .cse8)) (.cse4 (not .cse7))) (and (= ~a$r_buff0_thd0~0_In2037186022 ~a$r_buff0_thd0~0_Out2037186022) (or (and .cse0 (= ~a$w_buff1_used~0_Out2037186022 0) .cse1) (and (= ~a$w_buff1_used~0_Out2037186022 ~a$w_buff1_used~0_In2037186022) .cse2)) (let ((.cse5 (select |#memory_int_In2037186022| |~#a~0.base_In2037186022|))) (or (and .cse3 .cse4 (= (store |#memory_int_In2037186022| |~#a~0.base_In2037186022| (store .cse5 |~#a~0.offset_In2037186022| ~a$w_buff0~0_In2037186022)) |#memory_int_Out2037186022|)) (and .cse6 (or (and .cse0 (= |#memory_int_Out2037186022| (store |#memory_int_In2037186022| |~#a~0.base_In2037186022| (store .cse5 |~#a~0.offset_In2037186022| ~a$w_buff1~0_In2037186022))) .cse1) (and .cse2 (= |#memory_int_Out2037186022| (store |#memory_int_In2037186022| |~#a~0.base_In2037186022| (store .cse5 |~#a~0.offset_In2037186022| (select .cse5 |~#a~0.offset_In2037186022|))))))))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out2037186022 0)) (= ~a$r_buff1_thd0~0_Out2037186022 ~a$r_buff1_thd0~0_In2037186022) (or (and (= ~a$w_buff0_used~0_In2037186022 ~a$w_buff0_used~0_Out2037186022) .cse6) (and .cse3 .cse4 (= ~a$w_buff0_used~0_Out2037186022 0))) (= ULTIMATE.start_assume_abort_if_not_~cond_Out2037186022 |ULTIMATE.start_assume_abort_if_not_#in~cond_In2037186022|)))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In2037186022|, ~a$w_buff1~0=~a$w_buff1~0_In2037186022, ~a$w_buff0~0=~a$w_buff0~0_In2037186022, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In2037186022, #memory_int=|#memory_int_In2037186022|, ~a$w_buff0_used~0=~a$w_buff0_used~0_In2037186022, ~#a~0.base=|~#a~0.base_In2037186022|, ~#a~0.offset=|~#a~0.offset_In2037186022|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In2037186022, ~a$w_buff1_used~0=~a$w_buff1_used~0_In2037186022} OutVars{ULTIMATE.start_main_#t~mem43=|ULTIMATE.start_main_#t~mem43_Out2037186022|, ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out2037186022|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out2037186022, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out2037186022|, ~#a~0.base=|~#a~0.base_In2037186022|, ULTIMATE.start_main_#t~ite49=|ULTIMATE.start_main_#t~ite49_Out2037186022|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out2037186022, ULTIMATE.start_main_#t~ite48=|ULTIMATE.start_main_#t~ite48_Out2037186022|, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out2037186022|, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out2037186022|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In2037186022|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out2037186022, ~a$w_buff1~0=~a$w_buff1~0_In2037186022, ~a$w_buff0~0=~a$w_buff0~0_In2037186022, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out2037186022, #memory_int=|#memory_int_Out2037186022|, ~#a~0.offset=|~#a~0.offset_In2037186022|, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out2037186022} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem43, ULTIMATE.start_main_#t~ite47, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite49, ~a$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite48, ULTIMATE.start_main_#t~ite45, ULTIMATE.start_main_#t~ite44, ULTIMATE.start_assume_abort_if_not_~cond, ~a$r_buff1_thd0~0, #memory_int, ~a$w_buff1_used~0] because there is no mapped edge [2020-10-22 02:24:32,366 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,366 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,367 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,367 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,367 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,367 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,367 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,367 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,368 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,368 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,369 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,369 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,369 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,369 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,369 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,369 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,374 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,374 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,379 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,379 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,379 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,379 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,380 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,380 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,380 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:24:32,380 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:24:32,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:24:32 BasicIcfg [2020-10-22 02:24:32,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:24:32,529 INFO L168 Benchmark]: Toolchain (without parser) took 18052.90 ms. Allocated memory was 139.5 MB in the beginning and 469.8 MB in the end (delta: 330.3 MB). Free memory was 100.6 MB in the beginning and 412.2 MB in the end (delta: -311.6 MB). Peak memory consumption was 308.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:32,530 INFO L168 Benchmark]: CDTParser took 3.14 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 02:24:32,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.08 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 99.6 MB in the beginning and 152.6 MB in the end (delta: -53.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:32,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.69 ms. Allocated memory is still 202.4 MB. Free memory was 152.6 MB in the beginning and 149.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:32,532 INFO L168 Benchmark]: Boogie Preprocessor took 41.68 ms. Allocated memory is still 202.4 MB. Free memory was 149.8 MB in the beginning and 147.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:32,533 INFO L168 Benchmark]: RCFGBuilder took 1912.44 ms. Allocated memory was 202.4 MB in the beginning and 249.0 MB in the end (delta: 46.7 MB). Free memory was 147.8 MB in the beginning and 190.1 MB in the end (delta: -42.3 MB). Peak memory consumption was 101.8 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:32,534 INFO L168 Benchmark]: TraceAbstraction took 15272.53 ms. Allocated memory was 249.0 MB in the beginning and 469.8 MB in the end (delta: 220.7 MB). Free memory was 190.1 MB in the beginning and 412.2 MB in the end (delta: -222.1 MB). Peak memory consumption was 288.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:24:32,537 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.14 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.08 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 99.6 MB in the beginning and 152.6 MB in the end (delta: -53.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.69 ms. Allocated memory is still 202.4 MB. Free memory was 152.6 MB in the beginning and 149.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.68 ms. Allocated memory is still 202.4 MB. Free memory was 149.8 MB in the beginning and 147.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1912.44 ms. Allocated memory was 202.4 MB in the beginning and 249.0 MB in the end (delta: 46.7 MB). Free memory was 147.8 MB in the beginning and 190.1 MB in the end (delta: -42.3 MB). Peak memory consumption was 101.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15272.53 ms. Allocated memory was 249.0 MB in the beginning and 469.8 MB in the end (delta: 220.7 MB). Free memory was 190.1 MB in the beginning and 412.2 MB in the end (delta: -222.1 MB). Peak memory consumption was 288.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1257 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 106 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.1s, 147 PlacesBefore, 42 PlacesAfterwards, 137 TransitionsBefore, 29 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 7 FixpointIterations, 61 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 3 ChoiceCompositions, 121 TotalNumberOfCompositions, 6244 MoverChecksTotal - CounterExampleResult [Line: 18]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L711] 0 int __unbuffered_cnt = 0; [L713] 0 int __unbuffered_p0_EAX = 0; [L714] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L715] 0 int __unbuffered_p0_EAX$mem_tmp; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd4; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L724] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L725] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd4; [L726] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L727] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L728] 0 int __unbuffered_p0_EAX$w_buff0; [L729] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L730] 0 int __unbuffered_p0_EAX$w_buff1; [L731] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L733] 0 int __unbuffered_p1_EAX = 0; [L735] 0 int __unbuffered_p2_EAX = 0; [L737] 0 int __unbuffered_p3_EAX = 0; [L739] 0 int a = 0; [L740] 0 _Bool a$flush_delayed; [L741] 0 int a$mem_tmp; [L742] 0 _Bool a$r_buff0_thd0; [L743] 0 _Bool a$r_buff0_thd1; [L744] 0 _Bool a$r_buff0_thd2; [L745] 0 _Bool a$r_buff0_thd3; [L746] 0 _Bool a$r_buff0_thd4; [L747] 0 _Bool a$r_buff1_thd0; [L748] 0 _Bool a$r_buff1_thd1; [L749] 0 _Bool a$r_buff1_thd2; [L750] 0 _Bool a$r_buff1_thd3; [L751] 0 _Bool a$r_buff1_thd4; [L752] 0 _Bool a$read_delayed; [L753] 0 int *a$read_delayed_var; [L754] 0 int a$w_buff0; [L755] 0 _Bool a$w_buff0_used; [L756] 0 int a$w_buff1; [L757] 0 _Bool a$w_buff1_used; [L758] 0 _Bool main$tmp_guard0; [L759] 0 _Bool main$tmp_guard1; [L761] 0 int x = 0; [L763] 0 int y = 0; [L765] 0 int z = 0; [L766] 0 _Bool weak$$choice0; [L767] 0 _Bool weak$$choice1; [L768] 0 _Bool weak$$choice2; [L860] 0 pthread_t t2721; [L861] FCALL, FORK 0 pthread_create(&t2721, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y=0, z=0] [L862] 0 pthread_t t2722; [L772] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 1 a$flush_delayed = weak$$choice2 [L775] EXPR 1 \read(a) [L775] 1 a$mem_tmp = a [L776] EXPR 1 !a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a : (a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : a$w_buff1) [L776] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : a$w_buff1 [L776] EXPR 1 !a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a : (a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : a$w_buff1) [L776] 1 a = !a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a : (a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : a$w_buff1) [L777] EXPR 1 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : a$w_buff0)) [L777] 1 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : a$w_buff0)) [L778] EXPR 1 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff1 : a$w_buff1)) [L778] 1 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff1 : a$w_buff1)) [L779] EXPR 1 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used)) [L779] 1 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used)) [L780] EXPR 1 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L780] 1 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 1 weak$$choice2 ? a$r_buff0_thd1 : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$r_buff0_thd1 : (a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1)) [L781] EXPR 1 !a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$r_buff0_thd1 : (a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1) [L781] EXPR 1 weak$$choice2 ? a$r_buff0_thd1 : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$r_buff0_thd1 : (a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1)) [L781] 1 a$r_buff0_thd1 = weak$$choice2 ? a$r_buff0_thd1 : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$r_buff0_thd1 : (a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1)) [L782] EXPR 1 weak$$choice2 ? a$r_buff1_thd1 : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$r_buff1_thd1 : (a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L782] 1 a$r_buff1_thd1 = weak$$choice2 ? a$r_buff1_thd1 : (!a$w_buff0_used || !a$r_buff0_thd1 && !a$w_buff1_used || !a$r_buff0_thd1 && !a$r_buff1_thd1 ? a$r_buff1_thd1 : (a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L783] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L784] 1 __unbuffered_p0_EAX$read_delayed_var = &a [L785] EXPR 1 \read(a) [L785] 1 __unbuffered_p0_EAX = a [L786] EXPR 1 a$flush_delayed ? a$mem_tmp : a [L786] EXPR 1 \read(a) [L786] EXPR 1 a$flush_delayed ? a$mem_tmp : a [L786] 1 a = a$flush_delayed ? a$mem_tmp : a [L787] 1 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=0, y=0, z=0] [L863] FCALL, FORK 0 pthread_create(&t2722, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=0, y=0, z=0] [L790] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y=0, z=0] [L802] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y=0, z=0] [L805] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z=0] [L810] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 2 return 0; [L795] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 1 return 0; [L864] 0 pthread_t t2723; [L865] FCALL, FORK 0 pthread_create(&t2723, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z=0] [L817] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z=0] [L866] 0 pthread_t t2724; [L867] FCALL, FORK 0 pthread_create(&t2724, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z=0] [L820] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=0, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z=1] [L825] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L827] 3 return 0; [L832] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=1, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z=1] [L835] 4 a = 1 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=1, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=1, x=1, y=1, z=1] [L838] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L838] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L839] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L840] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L840] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L841] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L842] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L845] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L847] 4 return 0; [L869] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L880] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L881] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L881] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L882] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p3_EAX == 1) [L19] COND TRUE 0 !expression [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "thin002_rmo.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff0_thd4=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$r_buff1_thd4=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={9:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p3_EAX=1, a={9:0}, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=255, weak$$choice2=1, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.9s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, HoareTripleCheckerStatistics: 239 SDtfs, 252 SDslu, 427 SDs, 0 SdLazy, 229 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 314 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1770occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 15301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...