/usr/bin/java -Xmx16000000000 -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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix023_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 21:52:32,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 21:52:32,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 21:52:32,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 21:52:32,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 21:52:32,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 21:52:32,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 21:52:32,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 21:52:32,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 21:52:32,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 21:52:32,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 21:52:32,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 21:52:32,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 21:52:32,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 21:52:32,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 21:52:32,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 21:52:32,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 21:52:32,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 21:52:32,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 21:52:32,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 21:52:32,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 21:52:32,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 21:52:32,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 21:52:32,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 21:52:32,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 21:52:32,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 21:52:32,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 21:52:32,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 21:52:32,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 21:52:32,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 21:52:32,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 21:52:32,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 21:52:32,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 21:52:32,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 21:52:32,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 21:52:32,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 21:52:32,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-10-15 21:52:32,243 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 21:52:32,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 21:52:32,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 21:52:32,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 21:52:32,245 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 21:52:32,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 21:52:32,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 21:52:32,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 21:52:32,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 21:52:32,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 21:52:32,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 21:52:32,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 21:52:32,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 21:52:32,247 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 21:52:32,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 21:52:32,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 21:52:32,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 21:52:32,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 21:52:32,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 21:52:32,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 21:52:32,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 21:52:32,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 21:52:32,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 21:52:32,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 21:52:32,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 21:52:32,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 21:52:32,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 21:52:32,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 21:52:32,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 21:52:32,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 21:52:32,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 21:52:32,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 21:52:32,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 21:52:32,564 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 21:52:32,565 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_rmo.opt.i [2020-10-15 21:52:32,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a1a9e5e6/bb99d9df66394c188d9213cb0a8c3237/FLAG118d53355 [2020-10-15 21:52:33,119 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 21:52:33,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_rmo.opt.i [2020-10-15 21:52:33,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a1a9e5e6/bb99d9df66394c188d9213cb0a8c3237/FLAG118d53355 [2020-10-15 21:52:33,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a1a9e5e6/bb99d9df66394c188d9213cb0a8c3237 [2020-10-15 21:52:33,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 21:52:33,408 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 21:52:33,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 21:52:33,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 21:52:33,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 21:52:33,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:52:33" (1/1) ... [2020-10-15 21:52:33,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d748461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:33, skipping insertion in model container [2020-10-15 21:52:33,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:52:33" (1/1) ... [2020-10-15 21:52:33,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 21:52:33,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 21:52:34,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 21:52:34,020 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 21:52:34,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 21:52:34,207 INFO L208 MainTranslator]: Completed translation [2020-10-15 21:52:34,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34 WrapperNode [2020-10-15 21:52:34,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 21:52:34,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 21:52:34,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 21:52:34,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 21:52:34,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (1/1) ... [2020-10-15 21:52:34,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (1/1) ... [2020-10-15 21:52:34,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 21:52:34,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 21:52:34,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 21:52:34,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 21:52:34,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (1/1) ... [2020-10-15 21:52:34,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (1/1) ... [2020-10-15 21:52:34,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (1/1) ... [2020-10-15 21:52:34,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (1/1) ... [2020-10-15 21:52:34,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (1/1) ... [2020-10-15 21:52:34,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (1/1) ... [2020-10-15 21:52:34,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (1/1) ... [2020-10-15 21:52:34,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 21:52:34,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 21:52:34,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 21:52:34,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 21:52:34,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (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 [2020-10-15 21:52:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 21:52:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 21:52:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 21:52:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 21:52:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-15 21:52:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-15 21:52:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-15 21:52:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-15 21:52:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-15 21:52:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-15 21:52:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-15 21:52:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-15 21:52:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 21:52:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 21:52:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 21:52:34,396 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 21:52:36,252 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 21:52:36,252 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-15 21:52:36,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:52:36 BoogieIcfgContainer [2020-10-15 21:52:36,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 21:52:36,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 21:52:36,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 21:52:36,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 21:52:36,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:52:33" (1/3) ... [2020-10-15 21:52:36,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a0818e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:52:36, skipping insertion in model container [2020-10-15 21:52:36,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:34" (2/3) ... [2020-10-15 21:52:36,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a0818e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:52:36, skipping insertion in model container [2020-10-15 21:52:36,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:52:36" (3/3) ... [2020-10-15 21:52:36,263 INFO L111 eAbstractionObserver]: Analyzing ICFG mix023_rmo.opt.i [2020-10-15 21:52:36,275 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 21:52:36,276 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 21:52:36,283 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 21:52:36,284 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 21:52:36,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,317 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,318 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,320 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,320 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,331 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,334 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,334 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,341 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,342 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,342 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,348 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,349 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,349 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,350 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,357 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 21:52:36,379 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 21:52:36,401 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 21:52:36,401 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 21:52:36,401 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 21:52:36,402 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 21:52:36,402 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 21:52:36,402 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 21:52:36,402 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 21:52:36,402 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 21:52:36,417 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 21:52:36,420 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 244 flow [2020-10-15 21:52:36,423 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 244 flow [2020-10-15 21:52:36,425 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2020-10-15 21:52:36,483 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2020-10-15 21:52:36,483 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 21:52:36,488 INFO L80 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 90 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-15 21:52:36,494 INFO L117 LiptonReduction]: Number of co-enabled transitions 2572 [2020-10-15 21:52:36,656 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 21:52:36,657 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-15 21:52:36,702 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 21:52:36,702 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:36,767 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:36,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:36,780 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-15 21:52:36,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 21:52:36,785 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 21:52:36,786 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 21:52:36,790 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-15 21:52:36,790 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 21:52:36,794 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-15 21:52:36,796 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:36,800 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 21:52:36,801 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:36,805 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 21:52:36,806 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:36,950 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:36,951 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:36,952 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:36,953 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:36,955 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:36,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:36,959 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:36,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:36,979 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:36,980 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:36,981 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:36,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:36,983 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:36,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:36,986 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:36,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:37,054 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:37,055 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:37,057 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-15 21:52:37,058 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 21:52:37,059 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 21:52:37,060 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 21:52:37,061 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-15 21:52:37,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 21:52:37,064 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-15 21:52:37,064 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:37,067 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 21:52:37,067 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:37,068 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 21:52:37,069 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:37,109 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 21:52:37,110 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-15 21:52:37,113 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 21:52:37,113 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:37,453 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:37,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:37,455 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:37,455 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:37,457 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:37,457 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:37,459 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:37,460 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:37,475 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:37,476 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:37,476 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:37,477 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:37,478 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:37,479 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:37,481 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:37,481 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:37,586 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:37,587 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:37,588 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:37,588 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:37,590 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:37,591 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:37,593 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:37,593 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:37,610 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:37,610 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:37,611 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:37,611 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:37,614 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:37,614 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:37,617 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:37,617 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:38,034 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-15 21:52:38,343 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-15 21:52:38,344 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:38,344 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-15 21:52:38,345 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:38,346 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-15 21:52:38,346 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:38,485 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-15 21:52:38,486 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:38,521 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:38,522 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:38,523 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:38,524 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:38,526 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:38,527 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:38,529 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:38,530 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:38,554 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:38,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:38,556 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:38,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:38,560 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:38,561 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:38,564 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:38,564 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:38,620 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-15 21:52:38,621 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:38,622 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-15 21:52:38,623 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:38,624 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-15 21:52:38,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:38,812 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:38,813 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:38,814 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:38,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:38,815 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:38,816 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:38,819 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:38,819 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:38,838 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:38,838 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:38,839 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:38,840 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:38,841 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:38,842 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:38,844 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:38,844 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:39,227 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-15 21:52:39,334 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:39,335 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:39,335 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:39,336 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:39,337 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:39,338 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:39,340 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:39,340 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:39,353 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:39,353 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:39,354 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:39,354 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:39,356 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:39,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:39,362 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:39,362 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:39,447 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:39,448 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:39,449 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:39,449 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:39,450 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:39,451 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:39,452 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:39,453 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 21:52:39,463 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:39,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:39,465 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:39,465 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:39,466 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 21:52:39,467 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:39,468 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-15 21:52:39,469 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 21:52:39,612 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-15 21:52:39,612 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 21:52:40,495 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-15 21:52:40,632 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 21:52:40,646 INFO L132 LiptonReduction]: Checked pairs total: 7837 [2020-10-15 21:52:40,646 INFO L134 LiptonReduction]: Total number of compositions: 89 [2020-10-15 21:52:40,652 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 35 transitions, 90 flow [2020-10-15 21:52:40,966 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4610 states. [2020-10-15 21:52:40,969 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states. [2020-10-15 21:52:40,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-15 21:52:40,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:40,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:52:40,978 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:40,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:40,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1694097843, now seen corresponding path program 1 times [2020-10-15 21:52:40,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:40,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202366399] [2020-10-15 21:52:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:52:41,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:52:41,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202366399] [2020-10-15 21:52:41,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:52:41,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 21:52:41,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823296797] [2020-10-15 21:52:41,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 21:52:41,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:52:41,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 21:52:41,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 21:52:41,265 INFO L87 Difference]: Start difference. First operand 4610 states. Second operand 3 states. [2020-10-15 21:52:41,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:52:41,466 INFO L93 Difference]: Finished difference Result 3850 states and 15248 transitions. [2020-10-15 21:52:41,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 21:52:41,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-15 21:52:41,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:52:41,518 INFO L225 Difference]: With dead ends: 3850 [2020-10-15 21:52:41,518 INFO L226 Difference]: Without dead ends: 3250 [2020-10-15 21:52:41,520 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 [2020-10-15 21:52:41,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2020-10-15 21:52:41,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3250. [2020-10-15 21:52:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3250 states. [2020-10-15 21:52:41,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 12738 transitions. [2020-10-15 21:52:41,757 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 12738 transitions. Word has length 7 [2020-10-15 21:52:41,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:52:41,758 INFO L481 AbstractCegarLoop]: Abstraction has 3250 states and 12738 transitions. [2020-10-15 21:52:41,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 21:52:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 12738 transitions. [2020-10-15 21:52:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 21:52:41,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:41,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:52:41,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 21:52:41,763 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:41,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:41,763 INFO L82 PathProgramCache]: Analyzing trace with hash 2034682808, now seen corresponding path program 1 times [2020-10-15 21:52:41,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:41,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861391025] [2020-10-15 21:52:41,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:52:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:52:41,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861391025] [2020-10-15 21:52:41,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:52:41,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 21:52:41,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172198508] [2020-10-15 21:52:41,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 21:52:41,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:52:41,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 21:52:41,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 21:52:41,925 INFO L87 Difference]: Start difference. First operand 3250 states and 12738 transitions. Second operand 4 states. [2020-10-15 21:52:42,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:52:42,008 INFO L93 Difference]: Finished difference Result 3730 states and 14152 transitions. [2020-10-15 21:52:42,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 21:52:42,009 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-15 21:52:42,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:52:42,044 INFO L225 Difference]: With dead ends: 3730 [2020-10-15 21:52:42,044 INFO L226 Difference]: Without dead ends: 3130 [2020-10-15 21:52:42,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 21:52:42,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3130 states. [2020-10-15 21:52:42,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3130 to 3130. [2020-10-15 21:52:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3130 states. [2020-10-15 21:52:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 3130 states and 12182 transitions. [2020-10-15 21:52:42,305 INFO L78 Accepts]: Start accepts. Automaton has 3130 states and 12182 transitions. Word has length 12 [2020-10-15 21:52:42,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:52:42,306 INFO L481 AbstractCegarLoop]: Abstraction has 3130 states and 12182 transitions. [2020-10-15 21:52:42,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 21:52:42,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 12182 transitions. [2020-10-15 21:52:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 21:52:42,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:42,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:52:42,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 21:52:42,310 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:42,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:42,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1349325249, now seen corresponding path program 1 times [2020-10-15 21:52:42,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:42,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461661196] [2020-10-15 21:52:42,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:52:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:52:42,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461661196] [2020-10-15 21:52:42,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:52:42,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 21:52:42,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405931025] [2020-10-15 21:52:42,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 21:52:42,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:52:42,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 21:52:42,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 21:52:42,398 INFO L87 Difference]: Start difference. First operand 3130 states and 12182 transitions. Second operand 4 states. [2020-10-15 21:52:42,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:52:42,438 INFO L93 Difference]: Finished difference Result 3310 states and 12506 transitions. [2020-10-15 21:52:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 21:52:42,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-15 21:52:42,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:52:42,462 INFO L225 Difference]: With dead ends: 3310 [2020-10-15 21:52:42,462 INFO L226 Difference]: Without dead ends: 2770 [2020-10-15 21:52:42,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 21:52:42,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2020-10-15 21:52:42,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2770. [2020-10-15 21:52:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2770 states. [2020-10-15 21:52:42,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 10634 transitions. [2020-10-15 21:52:42,571 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 10634 transitions. Word has length 13 [2020-10-15 21:52:42,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:52:42,572 INFO L481 AbstractCegarLoop]: Abstraction has 2770 states and 10634 transitions. [2020-10-15 21:52:42,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 21:52:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 10634 transitions. [2020-10-15 21:52:42,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 21:52:42,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:42,576 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:52:42,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 21:52:42,576 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:42,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:42,577 INFO L82 PathProgramCache]: Analyzing trace with hash 372881360, now seen corresponding path program 1 times [2020-10-15 21:52:42,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:42,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456746529] [2020-10-15 21:52:42,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:52:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:52:42,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456746529] [2020-10-15 21:52:42,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:52:42,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 21:52:42,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941856325] [2020-10-15 21:52:42,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 21:52:42,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:52:42,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 21:52:42,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 21:52:42,640 INFO L87 Difference]: Start difference. First operand 2770 states and 10634 transitions. Second operand 4 states. [2020-10-15 21:52:42,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:52:42,675 INFO L93 Difference]: Finished difference Result 2890 states and 10840 transitions. [2020-10-15 21:52:42,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 21:52:42,675 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-15 21:52:42,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:52:42,696 INFO L225 Difference]: With dead ends: 2890 [2020-10-15 21:52:42,696 INFO L226 Difference]: Without dead ends: 2530 [2020-10-15 21:52:42,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 21:52:42,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2020-10-15 21:52:42,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2530. [2020-10-15 21:52:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2530 states. [2020-10-15 21:52:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 9622 transitions. [2020-10-15 21:52:42,784 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 9622 transitions. Word has length 15 [2020-10-15 21:52:42,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:52:42,784 INFO L481 AbstractCegarLoop]: Abstraction has 2530 states and 9622 transitions. [2020-10-15 21:52:42,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 21:52:42,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 9622 transitions. [2020-10-15 21:52:42,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 21:52:42,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:42,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:52:42,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 21:52:42,789 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:42,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:42,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1325628894, now seen corresponding path program 1 times [2020-10-15 21:52:42,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:42,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510725422] [2020-10-15 21:52:42,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:52:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:52:42,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510725422] [2020-10-15 21:52:42,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:52:42,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 21:52:42,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187884530] [2020-10-15 21:52:42,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 21:52:42,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:52:42,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 21:52:42,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 21:52:42,920 INFO L87 Difference]: Start difference. First operand 2530 states and 9622 transitions. Second operand 4 states. [2020-10-15 21:52:42,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:52:42,981 INFO L93 Difference]: Finished difference Result 2506 states and 8652 transitions. [2020-10-15 21:52:42,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 21:52:42,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-15 21:52:42,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:52:43,013 INFO L225 Difference]: With dead ends: 2506 [2020-10-15 21:52:43,014 INFO L226 Difference]: Without dead ends: 1906 [2020-10-15 21:52:43,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 21:52:43,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2020-10-15 21:52:43,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1906. [2020-10-15 21:52:43,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1906 states. [2020-10-15 21:52:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 6502 transitions. [2020-10-15 21:52:43,073 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 6502 transitions. Word has length 16 [2020-10-15 21:52:43,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:52:43,074 INFO L481 AbstractCegarLoop]: Abstraction has 1906 states and 6502 transitions. [2020-10-15 21:52:43,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 21:52:43,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 6502 transitions. [2020-10-15 21:52:43,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-15 21:52:43,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:43,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 21:52:43,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 21:52:43,078 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:43,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:43,078 INFO L82 PathProgramCache]: Analyzing trace with hash 2137393500, now seen corresponding path program 1 times [2020-10-15 21:52:43,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:43,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210140110] [2020-10-15 21:52:43,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:52:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:52:43,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210140110] [2020-10-15 21:52:43,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:52:43,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 21:52:43,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827022687] [2020-10-15 21:52:43,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 21:52:43,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:52:43,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 21:52:43,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 21:52:43,232 INFO L87 Difference]: Start difference. First operand 1906 states and 6502 transitions. Second operand 5 states. [2020-10-15 21:52:43,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:52:43,293 INFO L93 Difference]: Finished difference Result 1566 states and 4900 transitions. [2020-10-15 21:52:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 21:52:43,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-15 21:52:43,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:52:43,301 INFO L225 Difference]: With dead ends: 1566 [2020-10-15 21:52:43,301 INFO L226 Difference]: Without dead ends: 1206 [2020-10-15 21:52:43,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 21:52:43,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2020-10-15 21:52:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1206. [2020-10-15 21:52:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-10-15 21:52:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 3702 transitions. [2020-10-15 21:52:43,331 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 3702 transitions. Word has length 18 [2020-10-15 21:52:43,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:52:43,331 INFO L481 AbstractCegarLoop]: Abstraction has 1206 states and 3702 transitions. [2020-10-15 21:52:43,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 21:52:43,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 3702 transitions. [2020-10-15 21:52:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 21:52:43,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:43,334 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] [2020-10-15 21:52:43,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 21:52:43,335 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:43,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:43,335 INFO L82 PathProgramCache]: Analyzing trace with hash 845441159, now seen corresponding path program 1 times [2020-10-15 21:52:43,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:43,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942235582] [2020-10-15 21:52:43,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:52:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:52:43,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942235582] [2020-10-15 21:52:43,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:52:43,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 21:52:43,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752707333] [2020-10-15 21:52:43,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 21:52:43,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:52:43,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 21:52:43,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 21:52:43,489 INFO L87 Difference]: Start difference. First operand 1206 states and 3702 transitions. Second operand 6 states. [2020-10-15 21:52:43,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:52:43,555 INFO L93 Difference]: Finished difference Result 1022 states and 3115 transitions. [2020-10-15 21:52:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 21:52:43,556 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-15 21:52:43,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:52:43,559 INFO L225 Difference]: With dead ends: 1022 [2020-10-15 21:52:43,559 INFO L226 Difference]: Without dead ends: 910 [2020-10-15 21:52:43,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-15 21:52:43,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-10-15 21:52:43,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 910. [2020-10-15 21:52:43,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-10-15 21:52:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 2814 transitions. [2020-10-15 21:52:43,638 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 2814 transitions. Word has length 21 [2020-10-15 21:52:43,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:52:43,638 INFO L481 AbstractCegarLoop]: Abstraction has 910 states and 2814 transitions. [2020-10-15 21:52:43,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 21:52:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 2814 transitions. [2020-10-15 21:52:43,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-15 21:52:43,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:43,642 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] [2020-10-15 21:52:43,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 21:52:43,642 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:43,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:43,642 INFO L82 PathProgramCache]: Analyzing trace with hash 592192916, now seen corresponding path program 1 times [2020-10-15 21:52:43,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:43,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439191716] [2020-10-15 21:52:43,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:52:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:52:43,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439191716] [2020-10-15 21:52:43,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:52:43,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 21:52:43,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136087745] [2020-10-15 21:52:43,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 21:52:43,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:52:43,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 21:52:43,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-15 21:52:43,810 INFO L87 Difference]: Start difference. First operand 910 states and 2814 transitions. Second operand 7 states. [2020-10-15 21:52:43,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:52:43,882 INFO L93 Difference]: Finished difference Result 871 states and 2734 transitions. [2020-10-15 21:52:43,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 21:52:43,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-15 21:52:43,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:52:43,886 INFO L225 Difference]: With dead ends: 871 [2020-10-15 21:52:43,887 INFO L226 Difference]: Without dead ends: 854 [2020-10-15 21:52:43,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-15 21:52:43,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2020-10-15 21:52:43,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2020-10-15 21:52:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2020-10-15 21:52:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2702 transitions. [2020-10-15 21:52:43,908 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2702 transitions. Word has length 24 [2020-10-15 21:52:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:52:43,909 INFO L481 AbstractCegarLoop]: Abstraction has 854 states and 2702 transitions. [2020-10-15 21:52:43,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 21:52:43,909 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2702 transitions. [2020-10-15 21:52:43,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 21:52:43,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:43,912 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, 1, 1, 1, 1] [2020-10-15 21:52:43,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 21:52:43,912 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:43,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:43,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1214481820, now seen corresponding path program 1 times [2020-10-15 21:52:43,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:43,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091622056] [2020-10-15 21:52:43,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:52:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:52:44,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091622056] [2020-10-15 21:52:44,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:52:44,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 21:52:44,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605079529] [2020-10-15 21:52:44,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 21:52:44,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:52:44,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 21:52:44,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-15 21:52:44,127 INFO L87 Difference]: Start difference. First operand 854 states and 2702 transitions. Second operand 8 states. [2020-10-15 21:52:44,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:52:44,312 INFO L93 Difference]: Finished difference Result 1149 states and 3493 transitions. [2020-10-15 21:52:44,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 21:52:44,312 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-15 21:52:44,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:52:44,317 INFO L225 Difference]: With dead ends: 1149 [2020-10-15 21:52:44,317 INFO L226 Difference]: Without dead ends: 826 [2020-10-15 21:52:44,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-15 21:52:44,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-10-15 21:52:44,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 758. [2020-10-15 21:52:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-10-15 21:52:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 2294 transitions. [2020-10-15 21:52:44,339 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 2294 transitions. Word has length 28 [2020-10-15 21:52:44,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:52:44,340 INFO L481 AbstractCegarLoop]: Abstraction has 758 states and 2294 transitions. [2020-10-15 21:52:44,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 21:52:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 2294 transitions. [2020-10-15 21:52:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 21:52:44,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:44,343 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, 1, 1, 1, 1] [2020-10-15 21:52:44,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 21:52:44,343 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:44,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:44,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1290486500, now seen corresponding path program 2 times [2020-10-15 21:52:44,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:44,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308282376] [2020-10-15 21:52:44,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 21:52:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 21:52:44,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308282376] [2020-10-15 21:52:44,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 21:52:44,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 21:52:44,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344349672] [2020-10-15 21:52:44,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 21:52:44,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 21:52:44,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 21:52:44,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-15 21:52:44,498 INFO L87 Difference]: Start difference. First operand 758 states and 2294 transitions. Second operand 8 states. [2020-10-15 21:52:44,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 21:52:44,661 INFO L93 Difference]: Finished difference Result 826 states and 2443 transitions. [2020-10-15 21:52:44,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 21:52:44,662 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-15 21:52:44,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 21:52:44,665 INFO L225 Difference]: With dead ends: 826 [2020-10-15 21:52:44,666 INFO L226 Difference]: Without dead ends: 743 [2020-10-15 21:52:44,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-15 21:52:44,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2020-10-15 21:52:44,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 662. [2020-10-15 21:52:44,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-15 21:52:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 2006 transitions. [2020-10-15 21:52:44,684 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 2006 transitions. Word has length 28 [2020-10-15 21:52:44,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 21:52:44,684 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 2006 transitions. [2020-10-15 21:52:44,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 21:52:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2006 transitions. [2020-10-15 21:52:44,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-15 21:52:44,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 21:52:44,687 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, 1, 1, 1, 1] [2020-10-15 21:52:44,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 21:52:44,688 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 21:52:44,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 21:52:44,688 INFO L82 PathProgramCache]: Analyzing trace with hash -619022908, now seen corresponding path program 3 times [2020-10-15 21:52:44,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 21:52:44,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912213952] [2020-10-15 21:52:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 21:52:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 21:52:44,737 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 21:52:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 21:52:44,775 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 21:52:44,818 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 21:52:44,818 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 21:52:44,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 21:52:44,847 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,848 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,849 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,849 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,850 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,850 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,850 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,850 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,850 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,850 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,851 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,851 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,851 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,851 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,853 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,853 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,853 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,853 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,853 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,854 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,854 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,854 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,854 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,854 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,855 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,855 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,855 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,855 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,855 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,856 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,856 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,856 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,856 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,856 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,856 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,857 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,857 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,857 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,857 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,858 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,858 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,858 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,858 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,858 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,858 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,859 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,859 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,859 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,860 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,860 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,860 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,860 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,860 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,861 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,861 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,861 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,861 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,861 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,862 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 21:52:44,862 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 21:52:44,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 09:52:44 BasicIcfg [2020-10-15 21:52:44,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 21:52:44,944 INFO L168 Benchmark]: Toolchain (without parser) took 11536.49 ms. Allocated memory was 253.2 MB in the beginning and 547.4 MB in the end (delta: 294.1 MB). Free memory was 208.5 MB in the beginning and 243.3 MB in the end (delta: -34.8 MB). Peak memory consumption was 259.3 MB. Max. memory is 14.2 GB. [2020-10-15 21:52:44,944 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 21:52:44,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.27 ms. Allocated memory was 253.2 MB in the beginning and 324.0 MB in the end (delta: 70.8 MB). Free memory was 208.5 MB in the beginning and 272.2 MB in the end (delta: -63.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 14.2 GB. [2020-10-15 21:52:44,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.61 ms. Allocated memory is still 324.0 MB. Free memory was 272.2 MB in the beginning and 269.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 21:52:44,946 INFO L168 Benchmark]: Boogie Preprocessor took 38.89 ms. Allocated memory is still 324.0 MB. Free memory was 269.6 MB in the beginning and 267.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 21:52:44,947 INFO L168 Benchmark]: RCFGBuilder took 1934.40 ms. Allocated memory was 324.0 MB in the beginning and 359.1 MB in the end (delta: 35.1 MB). Free memory was 267.1 MB in the beginning and 208.2 MB in the end (delta: 58.9 MB). Peak memory consumption was 97.2 MB. Max. memory is 14.2 GB. [2020-10-15 21:52:44,948 INFO L168 Benchmark]: TraceAbstraction took 8685.76 ms. Allocated memory was 359.1 MB in the beginning and 547.4 MB in the end (delta: 188.2 MB). Free memory was 208.2 MB in the beginning and 243.3 MB in the end (delta: -35.1 MB). Peak memory consumption was 153.1 MB. Max. memory is 14.2 GB. [2020-10-15 21:52:44,952 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 800.27 ms. Allocated memory was 253.2 MB in the beginning and 324.0 MB in the end (delta: 70.8 MB). Free memory was 208.5 MB in the beginning and 272.2 MB in the end (delta: -63.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 70.61 ms. Allocated memory is still 324.0 MB. Free memory was 272.2 MB in the beginning and 269.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 38.89 ms. Allocated memory is still 324.0 MB. Free memory was 269.6 MB in the beginning and 267.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1934.40 ms. Allocated memory was 324.0 MB in the beginning and 359.1 MB in the end (delta: 35.1 MB). Free memory was 267.1 MB in the beginning and 208.2 MB in the end (delta: 58.9 MB). Peak memory consumption was 97.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 8685.76 ms. Allocated memory was 359.1 MB in the beginning and 547.4 MB in the end (delta: 188.2 MB). Free memory was 208.2 MB in the beginning and 243.3 MB in the end (delta: -35.1 MB). Peak memory consumption was 153.1 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1839 VarBasedMoverChecksPositive, 78 VarBasedMoverChecksNegative, 19 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 281 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 123 PlacesBefore, 47 PlacesAfterwards, 112 TransitionsBefore, 35 TransitionsAfterwards, 2572 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 89 TotalNumberOfCompositions, 7837 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p1_EAX = 0; [L703] 0 int __unbuffered_p1_EBX = 0; [L705] 0 int __unbuffered_p3_EAX = 0; [L707] 0 int __unbuffered_p3_EBX = 0; [L709] 0 int a = 0; [L710] 0 _Bool main$tmp_guard0; [L711] 0 _Bool main$tmp_guard1; [L713] 0 int x = 0; [L715] 0 int y = 0; [L716] 0 _Bool y$flush_delayed; [L717] 0 int y$mem_tmp; [L718] 0 _Bool y$r_buff0_thd0; [L719] 0 _Bool y$r_buff0_thd1; [L720] 0 _Bool y$r_buff0_thd2; [L721] 0 _Bool y$r_buff0_thd3; [L722] 0 _Bool y$r_buff0_thd4; [L723] 0 _Bool y$r_buff1_thd0; [L724] 0 _Bool y$r_buff1_thd1; [L725] 0 _Bool y$r_buff1_thd2; [L726] 0 _Bool y$r_buff1_thd3; [L727] 0 _Bool y$r_buff1_thd4; [L728] 0 _Bool y$read_delayed; [L729] 0 int *y$read_delayed_var; [L730] 0 int y$w_buff0; [L731] 0 _Bool y$w_buff0_used; [L732] 0 int y$w_buff1; [L733] 0 _Bool y$w_buff1_used; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L848] 0 pthread_t t621; [L849] FCALL, FORK 0 pthread_create(&t621, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t622; [L851] FCALL, FORK 0 pthread_create(&t622, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L852] 0 pthread_t t623; [L853] FCALL, FORK 0 pthread_create(&t623, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L787] 3 y$w_buff1 = y$w_buff0 [L788] 3 y$w_buff0 = 1 [L789] 3 y$w_buff1_used = y$w_buff0_used [L790] 3 y$w_buff0_used = (_Bool)1 [L7] COND FALSE 3 !(!expression) [L792] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L793] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L794] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L795] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L796] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L797] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L800] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L854] 0 pthread_t t624; [L855] FCALL, FORK 0 pthread_create(&t624, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L817] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L820] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L823] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L826] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L826] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L827] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L827] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L828] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L828] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L829] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L829] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L830] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L830] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L833] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L835] 4 return 0; [L741] 1 a = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L744] 1 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L751] 1 return 0; [L756] 2 x = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, 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$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L759] 2 __unbuffered_p1_EAX = x VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, 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$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L762] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L763] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L764] 2 y$flush_delayed = weak$$choice2 [L765] 2 y$mem_tmp = y [L766] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L766] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L767] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L767] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L768] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L768] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L769] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L769] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L769] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L770] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L771] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L772] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L772] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 __unbuffered_p1_EBX = y [L774] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L774] 2 y = y$flush_delayed ? y$mem_tmp : y [L775] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L803] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L804] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L805] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L805] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L806] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L807] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L807] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 3 return 0; [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L782] 2 return 0; [L857] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L861] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L861] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L862] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L862] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L863] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L863] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L864] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L864] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L865] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L868] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, 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=9, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.4s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 401 SDtfs, 502 SDslu, 1029 SDs, 0 SdLazy, 308 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4610occurred 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: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 149 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 21178 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...