/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix004_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:58:28,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:58:28,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:58:29,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:58:29,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:58:29,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:58:29,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:58:29,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:58:29,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:58:29,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:58:29,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:58:29,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:58:29,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:58:29,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:58:29,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:58:29,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:58:29,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:58:29,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:58:29,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:58:29,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:58:29,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:58:29,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:58:29,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:58:29,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:58:29,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:58:29,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:58:29,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:58:29,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:58:29,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:58:29,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:58:29,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:58:29,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:58:29,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:58:29,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:58:29,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:58:29,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:58:29,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:58:29,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:58:29,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:58:29,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:58:29,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:58:29,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-21 23:58:29,100 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:58:29,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:58:29,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:58:29,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:58:29,102 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:58:29,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:58:29,102 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:58:29,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:58:29,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:58:29,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:58:29,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:58:29,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:58:29,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:58:29,104 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:58:29,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:58:29,104 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:58:29,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:58:29,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:58:29,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:58:29,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:58:29,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:58:29,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:58:29,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:58:29,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:58:29,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:58:29,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:58:29,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:58:29,107 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-21 23:58:29,107 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:58:29,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:58:29,107 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-21 23:58:29,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:58:29,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:58:29,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:58:29,474 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:58:29,475 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:58:29,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix004_tso.opt.i [2020-10-21 23:58:29,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef717db7/79c857d6069d4c378c8e1e1ea999a93d/FLAG9622e60c9 [2020-10-21 23:58:30,192 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:58:30,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004_tso.opt.i [2020-10-21 23:58:30,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef717db7/79c857d6069d4c378c8e1e1ea999a93d/FLAG9622e60c9 [2020-10-21 23:58:30,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ef717db7/79c857d6069d4c378c8e1e1ea999a93d [2020-10-21 23:58:30,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:58:30,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:58:30,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:58:30,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:58:30,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:58:30,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:58:30" (1/1) ... [2020-10-21 23:58:30,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605b319e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:30, skipping insertion in model container [2020-10-21 23:58:30,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:58:30" (1/1) ... [2020-10-21 23:58:30,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:58:30,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:58:31,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:58:31,059 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:58:31,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:58:31,251 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:58:31,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31 WrapperNode [2020-10-21 23:58:31,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:58:31,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:58:31,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:58:31,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:58:31,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (1/1) ... [2020-10-21 23:58:31,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (1/1) ... [2020-10-21 23:58:31,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:58:31,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:58:31,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:58:31,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:58:31,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (1/1) ... [2020-10-21 23:58:31,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (1/1) ... [2020-10-21 23:58:31,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (1/1) ... [2020-10-21 23:58:31,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (1/1) ... [2020-10-21 23:58:31,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (1/1) ... [2020-10-21 23:58:31,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (1/1) ... [2020-10-21 23:58:31,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (1/1) ... [2020-10-21 23:58:31,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:58:31,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:58:31,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:58:31,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:58:31,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (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 [2020-10-21 23:58:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:58:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:58:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:58:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:58:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:58:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:58:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:58:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:58:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:58:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:58:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 23:58:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 23:58:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:58:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:58:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:58:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:58:31,509 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:58:34,023 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:58:34,023 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 23:58:34,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:58:34 BoogieIcfgContainer [2020-10-21 23:58:34,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:58:34,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:58:34,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:58:34,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:58:34,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:58:30" (1/3) ... [2020-10-21 23:58:34,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534afce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:58:34, skipping insertion in model container [2020-10-21 23:58:34,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:58:31" (2/3) ... [2020-10-21 23:58:34,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534afce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:58:34, skipping insertion in model container [2020-10-21 23:58:34,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:58:34" (3/3) ... [2020-10-21 23:58:34,036 INFO L111 eAbstractionObserver]: Analyzing ICFG mix004_tso.opt.i [2020-10-21 23:58:34,048 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:58:34,048 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:58:34,057 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 23:58:34,058 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:58:34,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,099 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,099 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,101 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,101 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,102 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,102 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,103 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,111 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,112 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,112 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,112 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,113 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,115 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,115 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,115 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,115 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,115 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,121 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,123 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,123 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,165 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,167 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,173 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,174 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,175 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,177 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,181 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,182 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,183 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,184 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,184 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:58:34,185 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:58:34,201 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 23:58:34,225 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:58:34,225 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:58:34,225 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:58:34,225 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-21 23:58:34,226 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:58:34,226 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:58:34,226 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:58:34,226 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:58:34,242 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:58:34,242 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 122 transitions, 264 flow [2020-10-21 23:58:34,245 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 122 transitions, 264 flow [2020-10-21 23:58:34,248 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 132 places, 122 transitions, 264 flow [2020-10-21 23:58:34,315 INFO L129 PetriNetUnfolder]: 3/118 cut-off events. [2020-10-21 23:58:34,315 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:58:34,321 INFO L80 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 118 events. 3/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 94 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2020-10-21 23:58:34,326 INFO L116 LiptonReduction]: Number of co-enabled transitions 2726 [2020-10-21 23:58:35,035 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-10-21 23:58:35,370 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-21 23:58:36,191 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-21 23:58:37,677 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-21 23:58:37,794 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-21 23:58:38,336 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2020-10-21 23:58:38,579 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-21 23:58:38,591 INFO L131 LiptonReduction]: Checked pairs total: 7357 [2020-10-21 23:58:38,592 INFO L133 LiptonReduction]: Total number of compositions: 106 [2020-10-21 23:58:38,599 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 32 transitions, 84 flow [2020-10-21 23:58:38,823 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3002 states. [2020-10-21 23:58:38,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states. [2020-10-21 23:58:38,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:58:38,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:58:38,858 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:58:38,859 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:58:38,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:58:38,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1658074291, now seen corresponding path program 1 times [2020-10-21 23:58:38,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:58:38,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685535100] [2020-10-21 23:58:38,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:58:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:58:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:58:39,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685535100] [2020-10-21 23:58:39,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:58:39,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:58:39,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [638478953] [2020-10-21 23:58:39,270 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:58:39,274 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:58:39,291 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-21 23:58:39,291 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:58:39,296 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:58:39,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:58:39,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:58:39,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:58:39,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:58:39,310 INFO L87 Difference]: Start difference. First operand 3002 states. Second operand 3 states. [2020-10-21 23:58:39,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:58:39,429 INFO L93 Difference]: Finished difference Result 2602 states and 10064 transitions. [2020-10-21 23:58:39,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:58:39,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-21 23:58:39,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:58:39,484 INFO L225 Difference]: With dead ends: 2602 [2020-10-21 23:58:39,484 INFO L226 Difference]: Without dead ends: 2122 [2020-10-21 23:58:39,486 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 [2020-10-21 23:58:39,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2020-10-21 23:58:39,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2122. [2020-10-21 23:58:39,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2020-10-21 23:58:39,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 8080 transitions. [2020-10-21 23:58:39,667 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 8080 transitions. Word has length 9 [2020-10-21 23:58:39,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:58:39,668 INFO L481 AbstractCegarLoop]: Abstraction has 2122 states and 8080 transitions. [2020-10-21 23:58:39,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:58:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 8080 transitions. [2020-10-21 23:58:39,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:58:39,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:58:39,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:58:39,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:58:39,672 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:58:39,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:58:39,672 INFO L82 PathProgramCache]: Analyzing trace with hash 23531905, now seen corresponding path program 1 times [2020-10-21 23:58:39,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:58:39,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464999244] [2020-10-21 23:58:39,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:58:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:58:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:58:39,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464999244] [2020-10-21 23:58:39,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:58:39,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:58:39,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [36663684] [2020-10-21 23:58:39,746 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:58:39,747 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:58:39,749 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-21 23:58:39,749 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:58:39,750 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:58:39,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:58:39,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:58:39,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:58:39,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:58:39,752 INFO L87 Difference]: Start difference. First operand 2122 states and 8080 transitions. Second operand 3 states. [2020-10-21 23:58:39,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:58:39,786 INFO L93 Difference]: Finished difference Result 1962 states and 7392 transitions. [2020-10-21 23:58:39,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:58:39,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 23:58:39,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:58:39,802 INFO L225 Difference]: With dead ends: 1962 [2020-10-21 23:58:39,803 INFO L226 Difference]: Without dead ends: 1962 [2020-10-21 23:58:39,804 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 [2020-10-21 23:58:39,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-21 23:58:39,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-10-21 23:58:39,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-21 23:58:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 7392 transitions. [2020-10-21 23:58:39,958 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 7392 transitions. Word has length 11 [2020-10-21 23:58:39,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:58:39,958 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 7392 transitions. [2020-10-21 23:58:39,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:58:39,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 7392 transitions. [2020-10-21 23:58:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:58:39,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:58:39,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:58:39,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:58:39,963 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:58:39,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:58:39,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1119574833, now seen corresponding path program 1 times [2020-10-21 23:58:39,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:58:39,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872967166] [2020-10-21 23:58:39,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:58:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:58:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:58:40,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872967166] [2020-10-21 23:58:40,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:58:40,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:58:40,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [491229330] [2020-10-21 23:58:40,098 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:58:40,100 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:58:40,104 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 17 transitions. [2020-10-21 23:58:40,104 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:58:40,441 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 3 [2020-10-21 23:58:40,478 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:58:40,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:58:40,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:58:40,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:58:40,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:58:40,480 INFO L87 Difference]: Start difference. First operand 1962 states and 7392 transitions. Second operand 3 states. [2020-10-21 23:58:40,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:58:40,507 INFO L93 Difference]: Finished difference Result 1834 states and 6848 transitions. [2020-10-21 23:58:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:58:40,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-21 23:58:40,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:58:40,524 INFO L225 Difference]: With dead ends: 1834 [2020-10-21 23:58:40,524 INFO L226 Difference]: Without dead ends: 1834 [2020-10-21 23:58:40,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:58:40,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2020-10-21 23:58:40,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1834. [2020-10-21 23:58:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1834 states. [2020-10-21 23:58:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 6848 transitions. [2020-10-21 23:58:40,598 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 6848 transitions. Word has length 13 [2020-10-21 23:58:40,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:58:40,598 INFO L481 AbstractCegarLoop]: Abstraction has 1834 states and 6848 transitions. [2020-10-21 23:58:40,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:58:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 6848 transitions. [2020-10-21 23:58:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:58:40,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:58:40,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:58:40,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:58:40,603 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:58:40,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:58:40,603 INFO L82 PathProgramCache]: Analyzing trace with hash 463099796, now seen corresponding path program 1 times [2020-10-21 23:58:40,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:58:40,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877842578] [2020-10-21 23:58:40,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:58:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:58:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:58:40,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877842578] [2020-10-21 23:58:40,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:58:40,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:58:40,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [505430509] [2020-10-21 23:58:40,765 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:58:40,768 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:58:40,777 INFO L252 McrAutomatonBuilder]: Finished intersection with 34 states and 55 transitions. [2020-10-21 23:58:40,777 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:58:41,195 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 5 [2020-10-21 23:58:41,595 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 5 [2020-10-21 23:58:41,849 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:58:41,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:58:41,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:58:41,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:58:41,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:58:41,850 INFO L87 Difference]: Start difference. First operand 1834 states and 6848 transitions. Second operand 4 states. [2020-10-21 23:58:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:58:41,916 INFO L93 Difference]: Finished difference Result 1900 states and 6462 transitions. [2020-10-21 23:58:41,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:58:41,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-21 23:58:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:58:41,928 INFO L225 Difference]: With dead ends: 1900 [2020-10-21 23:58:41,928 INFO L226 Difference]: Without dead ends: 1420 [2020-10-21 23:58:41,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:58:41,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2020-10-21 23:58:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1420. [2020-10-21 23:58:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1420 states. [2020-10-21 23:58:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 4778 transitions. [2020-10-21 23:58:41,977 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 4778 transitions. Word has length 15 [2020-10-21 23:58:41,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:58:41,977 INFO L481 AbstractCegarLoop]: Abstraction has 1420 states and 4778 transitions. [2020-10-21 23:58:41,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:58:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 4778 transitions. [2020-10-21 23:58:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:58:41,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:58:41,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:58:41,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:58:41,981 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:58:41,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:58:41,981 INFO L82 PathProgramCache]: Analyzing trace with hash -963803490, now seen corresponding path program 1 times [2020-10-21 23:58:41,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:58:41,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368286314] [2020-10-21 23:58:41,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:58:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:58:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:58:42,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368286314] [2020-10-21 23:58:42,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:58:42,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:58:42,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [442318658] [2020-10-21 23:58:42,201 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:58:42,206 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:58:42,217 INFO L252 McrAutomatonBuilder]: Finished intersection with 30 states and 41 transitions. [2020-10-21 23:58:42,217 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:58:42,736 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 3 [2020-10-21 23:58:43,373 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 5 [2020-10-21 23:58:43,447 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [29133#(<= ~__unbuffered_cnt~0 0)] [2020-10-21 23:58:43,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:58:43,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:58:43,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:58:43,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:58:43,449 INFO L87 Difference]: Start difference. First operand 1420 states and 4778 transitions. Second operand 6 states. [2020-10-21 23:58:43,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:58:43,523 INFO L93 Difference]: Finished difference Result 1237 states and 3831 transitions. [2020-10-21 23:58:43,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:58:43,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-21 23:58:43,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:58:43,531 INFO L225 Difference]: With dead ends: 1237 [2020-10-21 23:58:43,531 INFO L226 Difference]: Without dead ends: 937 [2020-10-21 23:58:43,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:58:43,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-10-21 23:58:43,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 937. [2020-10-21 23:58:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2020-10-21 23:58:43,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 2846 transitions. [2020-10-21 23:58:43,562 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 2846 transitions. Word has length 17 [2020-10-21 23:58:43,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:58:43,562 INFO L481 AbstractCegarLoop]: Abstraction has 937 states and 2846 transitions. [2020-10-21 23:58:43,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:58:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 2846 transitions. [2020-10-21 23:58:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 23:58:43,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:58:43,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:58:43,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:58:43,566 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:58:43,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:58:43,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1297066416, now seen corresponding path program 1 times [2020-10-21 23:58:43,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:58:43,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584542599] [2020-10-21 23:58:43,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:58:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:58:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:58:43,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584542599] [2020-10-21 23:58:43,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:58:43,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:58:43,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2063183810] [2020-10-21 23:58:43,701 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:58:43,706 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:58:43,740 INFO L252 McrAutomatonBuilder]: Finished intersection with 84 states and 164 transitions. [2020-10-21 23:58:43,741 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:58:44,626 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 3 [2020-10-21 23:58:45,473 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 3 [2020-10-21 23:58:46,261 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 3 [2020-10-21 23:58:46,642 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 5 [2020-10-21 23:58:47,280 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-21 23:58:48,196 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-21 23:58:48,530 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [32253#(<= ~__unbuffered_cnt~0 0)] [2020-10-21 23:58:48,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:58:48,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:58:48,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:58:48,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:58:48,533 INFO L87 Difference]: Start difference. First operand 937 states and 2846 transitions. Second operand 7 states. [2020-10-21 23:58:48,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:58:48,623 INFO L93 Difference]: Finished difference Result 825 states and 2477 transitions. [2020-10-21 23:58:48,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:58:48,626 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-21 23:58:48,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:58:48,631 INFO L225 Difference]: With dead ends: 825 [2020-10-21 23:58:48,631 INFO L226 Difference]: Without dead ends: 726 [2020-10-21 23:58:48,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:58:48,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2020-10-21 23:58:48,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 726. [2020-10-21 23:58:48,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-10-21 23:58:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 2213 transitions. [2020-10-21 23:58:48,657 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 2213 transitions. Word has length 20 [2020-10-21 23:58:48,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:58:48,658 INFO L481 AbstractCegarLoop]: Abstraction has 726 states and 2213 transitions. [2020-10-21 23:58:48,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:58:48,661 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 2213 transitions. [2020-10-21 23:58:48,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-21 23:58:48,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:58:48,663 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] [2020-10-21 23:58:48,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:58:48,664 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:58:48,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:58:48,664 INFO L82 PathProgramCache]: Analyzing trace with hash 611996193, now seen corresponding path program 1 times [2020-10-21 23:58:48,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:58:48,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885104303] [2020-10-21 23:58:48,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:58:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:58:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:58:48,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885104303] [2020-10-21 23:58:48,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:58:48,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:58:48,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1229849324] [2020-10-21 23:58:48,894 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:58:48,901 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:58:49,005 INFO L252 McrAutomatonBuilder]: Finished intersection with 98 states and 191 transitions. [2020-10-21 23:58:49,005 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:58:49,621 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 3 [2020-10-21 23:58:50,431 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 3 [2020-10-21 23:58:51,351 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 3 [2020-10-21 23:58:52,036 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 3 [2020-10-21 23:58:52,675 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 3 [2020-10-21 23:58:53,235 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 3 [2020-10-21 23:58:53,775 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-21 23:58:54,152 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 3 [2020-10-21 23:58:54,924 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 3 [2020-10-21 23:58:55,718 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 5 [2020-10-21 23:58:55,739 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [34540#(<= ~__unbuffered_cnt~0 0)] [2020-10-21 23:58:55,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:58:55,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:58:55,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:58:55,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:58:55,740 INFO L87 Difference]: Start difference. First operand 726 states and 2213 transitions. Second operand 8 states. [2020-10-21 23:58:55,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:58:55,848 INFO L93 Difference]: Finished difference Result 701 states and 2161 transitions. [2020-10-21 23:58:55,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 23:58:55,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-21 23:58:55,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:58:55,855 INFO L225 Difference]: With dead ends: 701 [2020-10-21 23:58:55,855 INFO L226 Difference]: Without dead ends: 685 [2020-10-21 23:58:55,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-21 23:58:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2020-10-21 23:58:55,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 685. [2020-10-21 23:58:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-10-21 23:58:55,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 2131 transitions. [2020-10-21 23:58:55,876 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 2131 transitions. Word has length 23 [2020-10-21 23:58:55,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:58:55,876 INFO L481 AbstractCegarLoop]: Abstraction has 685 states and 2131 transitions. [2020-10-21 23:58:55,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:58:55,876 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 2131 transitions. [2020-10-21 23:58:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-21 23:58:55,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:58:55,879 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] [2020-10-21 23:58:55,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:58:55,880 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:58:55,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:58:55,880 INFO L82 PathProgramCache]: Analyzing trace with hash -2112950697, now seen corresponding path program 1 times [2020-10-21 23:58:55,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:58:55,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522311448] [2020-10-21 23:58:55,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:58:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:58:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:58:55,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522311448] [2020-10-21 23:58:55,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:58:55,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:58:55,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1534990267] [2020-10-21 23:58:55,950 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:58:55,957 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:58:56,108 INFO L252 McrAutomatonBuilder]: Finished intersection with 105 states and 202 transitions. [2020-10-21 23:58:56,109 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:58:56,826 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-21 23:58:57,479 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-21 23:58:58,242 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-21 23:58:58,814 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 3 [2020-10-21 23:58:59,539 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-21 23:59:00,389 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-21 23:59:00,951 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 3 [2020-10-21 23:59:01,815 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 3 [2020-10-21 23:59:02,172 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:59:02,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:59:02,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:02,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:59:02,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:59:02,174 INFO L87 Difference]: Start difference. First operand 685 states and 2131 transitions. Second operand 4 states. [2020-10-21 23:59:02,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:02,203 INFO L93 Difference]: Finished difference Result 867 states and 2652 transitions. [2020-10-21 23:59:02,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:59:02,204 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-21 23:59:02,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:02,206 INFO L225 Difference]: With dead ends: 867 [2020-10-21 23:59:02,207 INFO L226 Difference]: Without dead ends: 355 [2020-10-21 23:59:02,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:59:02,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-10-21 23:59:02,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2020-10-21 23:59:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-10-21 23:59:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 988 transitions. [2020-10-21 23:59:02,217 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 988 transitions. Word has length 26 [2020-10-21 23:59:02,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:02,218 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 988 transitions. [2020-10-21 23:59:02,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:59:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 988 transitions. [2020-10-21 23:59:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-21 23:59:02,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:02,219 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] [2020-10-21 23:59:02,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:59:02,220 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:02,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:02,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1464946517, now seen corresponding path program 2 times [2020-10-21 23:59:02,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:02,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969283902] [2020-10-21 23:59:02,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:02,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:02,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969283902] [2020-10-21 23:59:02,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:02,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:59:02,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [431390556] [2020-10-21 23:59:02,316 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:02,323 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:02,374 INFO L252 McrAutomatonBuilder]: Finished intersection with 75 states and 132 transitions. [2020-10-21 23:59:02,375 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:03,597 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-21 23:59:04,322 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 3 [2020-10-21 23:59:04,754 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 3 [2020-10-21 23:59:05,802 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 257 DAG size of output: 3 [2020-10-21 23:59:05,902 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:59:05,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:59:05,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:05,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:59:05,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:59:05,904 INFO L87 Difference]: Start difference. First operand 355 states and 988 transitions. Second operand 4 states. [2020-10-21 23:59:05,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:05,921 INFO L93 Difference]: Finished difference Result 447 states and 1227 transitions. [2020-10-21 23:59:05,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:59:05,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-21 23:59:05,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:05,923 INFO L225 Difference]: With dead ends: 447 [2020-10-21 23:59:05,924 INFO L226 Difference]: Without dead ends: 184 [2020-10-21 23:59:05,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:59:05,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-21 23:59:05,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2020-10-21 23:59:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-10-21 23:59:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 454 transitions. [2020-10-21 23:59:05,989 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 454 transitions. Word has length 26 [2020-10-21 23:59:05,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:05,989 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 454 transitions. [2020-10-21 23:59:05,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:59:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 454 transitions. [2020-10-21 23:59:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-21 23:59:05,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:05,992 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] [2020-10-21 23:59:05,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:59:05,992 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:05,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:05,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1129105541, now seen corresponding path program 3 times [2020-10-21 23:59:05,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:05,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73990918] [2020-10-21 23:59:05,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:06,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73990918] [2020-10-21 23:59:06,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:06,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:59:06,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [970356603] [2020-10-21 23:59:06,100 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:06,110 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:06,164 INFO L252 McrAutomatonBuilder]: Finished intersection with 57 states and 92 transitions. [2020-10-21 23:59:06,164 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:07,948 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-21 23:59:08,507 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 3 [2020-10-21 23:59:09,148 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 3 [2020-10-21 23:59:09,170 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:59:09,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:59:09,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:09,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:59:09,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:59:09,171 INFO L87 Difference]: Start difference. First operand 184 states and 454 transitions. Second operand 4 states. [2020-10-21 23:59:09,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:09,197 INFO L93 Difference]: Finished difference Result 234 states and 572 transitions. [2020-10-21 23:59:09,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:59:09,198 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-21 23:59:09,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:09,199 INFO L225 Difference]: With dead ends: 234 [2020-10-21 23:59:09,199 INFO L226 Difference]: Without dead ends: 92 [2020-10-21 23:59:09,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:59:09,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-21 23:59:09,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-21 23:59:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-21 23:59:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 198 transitions. [2020-10-21 23:59:09,202 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 198 transitions. Word has length 26 [2020-10-21 23:59:09,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:09,212 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 198 transitions. [2020-10-21 23:59:09,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:59:09,212 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 198 transitions. [2020-10-21 23:59:09,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-21 23:59:09,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:09,213 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] [2020-10-21 23:59:09,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:59:09,213 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:09,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:09,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1448803781, now seen corresponding path program 4 times [2020-10-21 23:59:09,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:09,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084083061] [2020-10-21 23:59:09,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:59:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:59:09,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084083061] [2020-10-21 23:59:09,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:59:09,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:59:09,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [449672421] [2020-10-21 23:59:09,639 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:59:09,645 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:59:09,683 INFO L252 McrAutomatonBuilder]: Finished intersection with 49 states and 76 transitions. [2020-10-21 23:59:09,684 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:59:09,968 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 20 [2020-10-21 23:59:10,009 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 2, 2, 1] term [2020-10-21 23:59:10,010 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:10,011 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 1] term [2020-10-21 23:59:10,011 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:10,017 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-21 23:59:10,017 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:10,019 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 3, 3, 2, 2, 2, 2, 1] term [2020-10-21 23:59:10,019 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:59:10,022 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 23:59:10,022 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:10,267 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 40 [2020-10-21 23:59:10,514 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 100 [2020-10-21 23:59:10,527 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 2, 2, 1] term [2020-10-21 23:59:10,527 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:10,528 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 1] term [2020-10-21 23:59:10,528 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:10,537 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-21 23:59:10,538 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:10,539 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 3, 3, 2, 2, 2, 2, 1] term [2020-10-21 23:59:10,541 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:59:10,543 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 23:59:10,543 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:10,690 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 39 [2020-10-21 23:59:10,964 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 39 [2020-10-21 23:59:11,104 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 20 [2020-10-21 23:59:11,280 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 100 [2020-10-21 23:59:11,293 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 2, 2, 1] term [2020-10-21 23:59:11,294 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:11,294 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 1] term [2020-10-21 23:59:11,295 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:11,301 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-21 23:59:11,302 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:11,303 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 3, 3, 2, 2, 2, 2, 1] term [2020-10-21 23:59:11,303 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-21 23:59:11,304 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-21 23:59:11,305 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:59:11,461 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 39 [2020-10-21 23:59:11,581 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 39 [2020-10-21 23:59:11,684 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 39 [2020-10-21 23:59:11,842 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 39 [2020-10-21 23:59:12,078 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 39 [2020-10-21 23:59:12,206 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 39 [2020-10-21 23:59:12,320 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 39 [2020-10-21 23:59:12,438 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 39 [2020-10-21 23:59:12,545 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 39 [2020-10-21 23:59:12,546 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [39449#(or (= ~__unbuffered_p3_EAX~0 0) (and (or (and (not (= (mod ~z$w_buff0_used~0 256) 0)) (not (= (mod ~z$r_buff0_thd4~0 256) 0))) (and (not (= ~z~0 0)) (or (and (= ~z$w_buff1_used~0 0) (= ~z$w_buff0~0 1)) (= ~z$w_buff0_used~0 (* 256 (div ~z$w_buff0_used~0 256)))) (or (= (mod ~z$w_buff1_used~0 256) 0) (= (mod ~z$r_buff1_thd4~0 256) 0)))) (or (= (mod ~z$w_buff0_used~0 256) 0) (not (= ~z$w_buff0~0 0)))))] [2020-10-21 23:59:12,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:59:12,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:59:12,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:59:12,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:59:12,547 INFO L87 Difference]: Start difference. First operand 92 states and 198 transitions. Second operand 8 states. [2020-10-21 23:59:12,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:59:12,913 INFO L93 Difference]: Finished difference Result 110 states and 232 transitions. [2020-10-21 23:59:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 23:59:12,914 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-10-21 23:59:12,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:59:12,915 INFO L225 Difference]: With dead ends: 110 [2020-10-21 23:59:12,915 INFO L226 Difference]: Without dead ends: 56 [2020-10-21 23:59:12,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-21 23:59:12,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-21 23:59:12,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-21 23:59:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-21 23:59:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 98 transitions. [2020-10-21 23:59:12,918 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 98 transitions. Word has length 26 [2020-10-21 23:59:12,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:59:12,918 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 98 transitions. [2020-10-21 23:59:12,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:59:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2020-10-21 23:59:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-21 23:59:12,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:59:12,919 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] [2020-10-21 23:59:12,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 23:59:12,920 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:59:12,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:59:12,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1573927981, now seen corresponding path program 5 times [2020-10-21 23:59:12,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:59:12,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761331523] [2020-10-21 23:59:12,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:59:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:59:12,993 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:59:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:59:13,050 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:59:13,111 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:59:13,111 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:59:13,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 23:59:13,112 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 23:59:13,138 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1265] [1265] L882-->L889: Formula: (let ((.cse6 (= (mod ~z$w_buff1_used~0_In1956834651 256) 0)) (.cse7 (= (mod ~z$r_buff1_thd0~0_In1956834651 256) 0)) (.cse8 (= (mod ~z$w_buff0_used~0_In1956834651 256) 0)) (.cse9 (= (mod ~z$r_buff0_thd0~0_In1956834651 256) 0))) (let ((.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse2 (or .cse8 .cse9)) (.cse3 (or .cse6 .cse7)) (.cse4 (not .cse7)) (.cse5 (not .cse6))) (and (= ULTIMATE.start_assume_abort_if_not_~cond_Out1956834651 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1956834651|) (or (and .cse0 (= ~z$w_buff0_used~0_Out1956834651 0) .cse1) (and .cse2 (= ~z$w_buff0_used~0_In1956834651 ~z$w_buff0_used~0_Out1956834651))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out1956834651 0)) (= ~z$r_buff0_thd0~0_In1956834651 ~z$r_buff0_thd0~0_Out1956834651) (or (and .cse0 (= ~z~0_Out1956834651 ~z$w_buff0~0_In1956834651) .cse1) (and .cse2 (or (and .cse3 (= ~z~0_In1956834651 ~z~0_Out1956834651)) (and .cse4 .cse5 (= ~z$w_buff1~0_In1956834651 ~z~0_Out1956834651))))) (or (and .cse3 (= ~z$w_buff1_used~0_Out1956834651 ~z$w_buff1_used~0_In1956834651)) (and (= ~z$w_buff1_used~0_Out1956834651 0) .cse4 .cse5)) (= ~z$r_buff1_thd0~0_Out1956834651 ~z$r_buff1_thd0~0_In1956834651)))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1956834651|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1956834651, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1956834651, ~z$w_buff0~0=~z$w_buff0~0_In1956834651, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1956834651, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1956834651, ~z$w_buff1~0=~z$w_buff1~0_In1956834651, ~z~0=~z~0_In1956834651} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out1956834651, ~z$w_buff0~0=~z$w_buff0~0_In1956834651, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out1956834651, ~z$w_buff1~0=~z$w_buff1~0_In1956834651, ULTIMATE.start_main_#t~ite66=|ULTIMATE.start_main_#t~ite66_Out1956834651|, ULTIMATE.start_main_#t~ite64=|ULTIMATE.start_main_#t~ite64_Out1956834651|, ULTIMATE.start_main_#t~ite65=|ULTIMATE.start_main_#t~ite65_Out1956834651|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out1956834651|, ULTIMATE.start_main_#t~ite63=|ULTIMATE.start_main_#t~ite63_Out1956834651|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1956834651|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out1956834651, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out1956834651|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1956834651, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out1956834651, ~z~0=~z~0_Out1956834651} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite63, ~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ~z~0, ULTIMATE.start_main_#t~ite66, ULTIMATE.start_main_#t~ite64, ULTIMATE.start_main_#t~ite65] because there is no mapped edge [2020-10-21 23:59:13,152 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,152 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [816] [2020-10-21 23:59:13,154 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,154 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,155 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,155 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,155 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,155 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,155 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,155 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,156 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,156 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,156 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,156 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,157 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,157 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,157 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,157 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,157 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,158 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,158 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,158 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,158 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,158 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,161 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,161 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,161 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,161 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,166 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,166 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,166 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,166 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,166 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,167 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,167 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,167 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,167 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,167 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,167 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,167 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,167 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,167 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,167 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,167 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,168 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,168 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,168 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,168 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,168 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,169 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,170 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,170 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,170 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,170 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,170 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,170 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,170 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,170 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,170 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:59:13,170 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:59:13,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:59:13 BasicIcfg [2020-10-21 23:59:13,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:59:13,313 INFO L168 Benchmark]: Toolchain (without parser) took 42898.72 ms. Allocated memory was 139.5 MB in the beginning and 522.2 MB in the end (delta: 382.7 MB). Free memory was 100.7 MB in the beginning and 162.1 MB in the end (delta: -61.3 MB). Peak memory consumption was 321.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:13,314 INFO L168 Benchmark]: CDTParser took 4.08 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 23:59:13,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.98 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 99.9 MB in the beginning and 152.1 MB in the end (delta: -52.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:13,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.78 ms. Allocated memory is still 202.9 MB. Free memory was 152.1 MB in the beginning and 148.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:13,317 INFO L168 Benchmark]: Boogie Preprocessor took 47.90 ms. Allocated memory is still 202.9 MB. Free memory was 148.7 MB in the beginning and 146.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:13,321 INFO L168 Benchmark]: RCFGBuilder took 2612.20 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 146.0 MB in the beginning and 104.0 MB in the end (delta: 42.0 MB). Peak memory consumption was 99.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:13,325 INFO L168 Benchmark]: TraceAbstraction took 39283.53 ms. Allocated memory was 249.0 MB in the beginning and 522.2 MB in the end (delta: 273.2 MB). Free memory was 104.0 MB in the beginning and 162.1 MB in the end (delta: -58.1 MB). Peak memory consumption was 215.1 MB. Max. memory is 7.1 GB. [2020-10-21 23:59:13,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.08 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.98 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 99.9 MB in the beginning and 152.1 MB in the end (delta: -52.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 111.78 ms. Allocated memory is still 202.9 MB. Free memory was 152.1 MB in the beginning and 148.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.90 ms. Allocated memory is still 202.9 MB. Free memory was 148.7 MB in the beginning and 146.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2612.20 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 146.0 MB in the beginning and 104.0 MB in the end (delta: 42.0 MB). Peak memory consumption was 99.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39283.53 ms. Allocated memory was 249.0 MB in the beginning and 522.2 MB in the end (delta: 273.2 MB). Free memory was 104.0 MB in the beginning and 162.1 MB in the end (delta: -58.1 MB). Peak memory consumption was 215.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1425 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 134 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.3s, 132 PlacesBefore, 45 PlacesAfterwards, 122 TransitionsBefore, 32 TransitionsAfterwards, 2726 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 3 ChoiceCompositions, 106 TotalNumberOfCompositions, 7357 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int __unbuffered_p3_EAX = 0; [L722] 0 int __unbuffered_p3_EBX = 0; [L724] 0 int a = 0; [L725] 0 _Bool main$tmp_guard0; [L726] 0 _Bool main$tmp_guard1; [L728] 0 int x = 0; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool z$flush_delayed; [L734] 0 int z$mem_tmp; [L735] 0 _Bool z$r_buff0_thd0; [L736] 0 _Bool z$r_buff0_thd1; [L737] 0 _Bool z$r_buff0_thd2; [L738] 0 _Bool z$r_buff0_thd3; [L739] 0 _Bool z$r_buff0_thd4; [L740] 0 _Bool z$r_buff1_thd0; [L741] 0 _Bool z$r_buff1_thd1; [L742] 0 _Bool z$r_buff1_thd2; [L743] 0 _Bool z$r_buff1_thd3; [L744] 0 _Bool z$r_buff1_thd4; [L745] 0 _Bool z$read_delayed; [L746] 0 int *z$read_delayed_var; [L747] 0 int z$w_buff0; [L748] 0 _Bool z$w_buff0_used; [L749] 0 int z$w_buff1; [L750] 0 _Bool z$w_buff1_used; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L871] 0 pthread_t t117; [L872] FCALL, FORK 0 pthread_create(&t117, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L873] 0 pthread_t t118; [L874] FCALL, FORK 0 pthread_create(&t118, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L875] 0 pthread_t t119; [L876] FCALL, FORK 0 pthread_create(&t119, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L877] 0 pthread_t t120; [L878] FCALL, FORK 0 pthread_create(&t120, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L817] 4 z$w_buff1 = z$w_buff0 [L818] 4 z$w_buff0 = 1 [L819] 4 z$w_buff1_used = z$w_buff0_used [L820] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L822] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L823] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L824] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L825] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L826] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L830] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L831] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L832] 4 z$flush_delayed = weak$$choice2 [L833] 4 z$mem_tmp = z [L834] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L834] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L835] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L835] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L836] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L836] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1) [L836] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L836] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L837] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L837] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L838] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L838] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0 [L838] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L838] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L839] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L840] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 __unbuffered_p3_EAX = z [L842] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L842] 4 z = z$flush_delayed ? z$mem_tmp : z [L843] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L846] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L774] 2 __unbuffered_p1_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L779] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L781] 2 return 0; [L786] 3 y = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L789] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L792] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L793] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L794] 3 z$flush_delayed = weak$$choice2 [L795] 3 z$mem_tmp = z [L796] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1 [L796] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L796] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L797] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L797] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L798] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L798] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L799] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L799] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L800] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L801] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L801] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L801] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L801] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L801] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L802] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 __unbuffered_p2_EBX = z [L804] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L804] 3 z = z$flush_delayed ? z$mem_tmp : z [L805] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __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$$choice0=52, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 3 return 0; [L849] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L849] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L850] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L850] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L851] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L852] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L853] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L853] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L891] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix004_tso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __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$$choice0=52, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 38.8s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 380 SDtfs, 328 SDslu, 699 SDs, 0 SdLazy, 227 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 347 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3002occurred 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: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 19707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...