/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/mix015_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:53:49,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:53:49,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:53:49,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:53:49,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:53:49,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:53:49,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:53:49,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:53:49,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:53:49,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:53:49,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:53:49,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:53:49,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:53:49,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:53:49,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:53:49,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:53:49,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:53:49,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:53:49,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:53:49,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:53:49,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:53:49,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:53:49,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:53:49,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:53:49,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:53:49,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:53:49,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:53:49,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:53:49,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:53:49,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:53:49,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:53:49,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:53:49,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:53:49,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:53:49,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:53:49,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:53:49,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:53:49,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:53:49,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:53:49,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:53:49,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:53:49,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 12:53:49,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:53:49,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:53:49,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:53:49,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:53:49,711 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:53:49,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:53:49,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:53:49,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:53:49,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:53:49,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:53:49,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:53:49,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:53:49,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:53:49,713 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:53:49,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:53:49,714 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:53:49,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:53:49,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:53:49,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:53:49,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:53:49,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:53:49,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:53:49,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:53:49,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:53:49,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:53:49,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:53:49,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:53:49,716 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 12:53:49,716 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:53:49,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:53:49,717 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 12:53:50,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:53:50,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:53:50,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:53:50,034 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:53:50,035 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:53:50,036 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix015_pso.opt.i [2020-10-16 12:53:50,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/724cbbba7/f59e77d3913b4da58ea705abc10b548c/FLAG7f38eb891 [2020-10-16 12:53:50,660 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:53:50,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix015_pso.opt.i [2020-10-16 12:53:50,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/724cbbba7/f59e77d3913b4da58ea705abc10b548c/FLAG7f38eb891 [2020-10-16 12:53:50,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/724cbbba7/f59e77d3913b4da58ea705abc10b548c [2020-10-16 12:53:50,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:53:50,964 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:53:50,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:53:50,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:53:50,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:53:50,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:53:50" (1/1) ... [2020-10-16 12:53:50,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba0a647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:50, skipping insertion in model container [2020-10-16 12:53:50,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:53:50" (1/1) ... [2020-10-16 12:53:50,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:53:51,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:53:51,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:53:51,604 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:53:51,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:53:51,748 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:53:51,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51 WrapperNode [2020-10-16 12:53:51,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:53:51,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:53:51,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:53:51,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:53:51,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (1/1) ... [2020-10-16 12:53:51,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (1/1) ... [2020-10-16 12:53:51,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:53:51,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:53:51,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:53:51,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:53:51,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (1/1) ... [2020-10-16 12:53:51,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (1/1) ... [2020-10-16 12:53:51,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (1/1) ... [2020-10-16 12:53:51,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (1/1) ... [2020-10-16 12:53:51,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (1/1) ... [2020-10-16 12:53:51,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (1/1) ... [2020-10-16 12:53:51,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (1/1) ... [2020-10-16 12:53:51,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:53:51,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:53:51,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:53:51,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:53:51,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:53:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:53:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:53:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:53:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:53:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:53:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:53:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:53:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:53:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:53:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:53:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:53:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:53:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:53:51,985 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:53:54,400 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:53:54,401 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:53:54,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:53:54 BoogieIcfgContainer [2020-10-16 12:53:54,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:53:54,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:53:54,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:53:54,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:53:54,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:53:50" (1/3) ... [2020-10-16 12:53:54,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:53:54, skipping insertion in model container [2020-10-16 12:53:54,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:53:51" (2/3) ... [2020-10-16 12:53:54,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:53:54, skipping insertion in model container [2020-10-16 12:53:54,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:53:54" (3/3) ... [2020-10-16 12:53:54,415 INFO L111 eAbstractionObserver]: Analyzing ICFG mix015_pso.opt.i [2020-10-16 12:53:54,431 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:53:54,432 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:53:54,442 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:53:54,443 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:53:54,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,485 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,485 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,487 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,487 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,493 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,496 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,498 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,498 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,498 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,499 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,500 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,511 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,511 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,511 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,511 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,516 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,516 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,522 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,526 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,532 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,534 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,534 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,537 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:53:54,579 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:53:54,600 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 12:53:54,628 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:53:54,628 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:53:54,629 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:53:54,629 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:53:54,629 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:53:54,629 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:53:54,630 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:53:54,630 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:53:54,648 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:53:54,649 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 98 transitions, 211 flow [2020-10-16 12:53:54,654 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 98 transitions, 211 flow [2020-10-16 12:53:54,656 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2020-10-16 12:53:54,715 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2020-10-16 12:53:54,715 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:53:54,722 INFO L80 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2020-10-16 12:53:54,726 INFO L117 LiptonReduction]: Number of co-enabled transitions 1720 [2020-10-16 12:53:55,243 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:53:55,364 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 12:53:55,633 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-10-16 12:53:56,168 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:53:57,233 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-10-16 12:53:57,361 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 12:53:57,372 INFO L132 LiptonReduction]: Checked pairs total: 4621 [2020-10-16 12:53:57,372 INFO L134 LiptonReduction]: Total number of compositions: 77 [2020-10-16 12:53:57,379 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 73 flow [2020-10-16 12:53:57,436 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1032 states. [2020-10-16 12:53:57,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states. [2020-10-16 12:53:57,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 12:53:57,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:53:57,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:53:57,448 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:53:57,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:53:57,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1072118928, now seen corresponding path program 1 times [2020-10-16 12:53:57,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:53:57,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762338369] [2020-10-16 12:53:57,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:53:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:53:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:53:57,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762338369] [2020-10-16 12:53:57,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:53:57,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:53:57,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [481768566] [2020-10-16 12:53:57,751 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:53:57,754 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:53:57,768 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-16 12:53:57,768 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:53:57,772 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:53:57,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:53:57,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:53:57,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:53:57,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:53:57,790 INFO L87 Difference]: Start difference. First operand 1032 states. Second operand 3 states. [2020-10-16 12:53:57,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:53:57,863 INFO L93 Difference]: Finished difference Result 892 states and 2844 transitions. [2020-10-16 12:53:57,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:53:57,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 12:53:57,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:53:57,888 INFO L225 Difference]: With dead ends: 892 [2020-10-16 12:53:57,889 INFO L226 Difference]: Without dead ends: 652 [2020-10-16 12:53:57,890 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 [2020-10-16 12:53:57,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2020-10-16 12:53:57,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2020-10-16 12:53:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-10-16 12:53:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 2032 transitions. [2020-10-16 12:53:58,001 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 2032 transitions. Word has length 7 [2020-10-16 12:53:58,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:53:58,002 INFO L481 AbstractCegarLoop]: Abstraction has 652 states and 2032 transitions. [2020-10-16 12:53:58,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:53:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 2032 transitions. [2020-10-16 12:53:58,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:53:58,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:53:58,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:53:58,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:53:58,005 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:53:58,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:53:58,005 INFO L82 PathProgramCache]: Analyzing trace with hash -2116909551, now seen corresponding path program 1 times [2020-10-16 12:53:58,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:53:58,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208069531] [2020-10-16 12:53:58,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:53:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:53:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:53:58,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208069531] [2020-10-16 12:53:58,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:53:58,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:53:58,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1996384070] [2020-10-16 12:53:58,201 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:53:58,202 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:53:58,204 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-16 12:53:58,204 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:53:58,204 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:53:58,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:53:58,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:53:58,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:53:58,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:53:58,207 INFO L87 Difference]: Start difference. First operand 652 states and 2032 transitions. Second operand 4 states. [2020-10-16 12:53:58,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:53:58,240 INFO L93 Difference]: Finished difference Result 676 states and 2022 transitions. [2020-10-16 12:53:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:53:58,240 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-16 12:53:58,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:53:58,245 INFO L225 Difference]: With dead ends: 676 [2020-10-16 12:53:58,246 INFO L226 Difference]: Without dead ends: 556 [2020-10-16 12:53:58,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:53:58,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2020-10-16 12:53:58,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 556. [2020-10-16 12:53:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-16 12:53:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 1688 transitions. [2020-10-16 12:53:58,277 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 1688 transitions. Word has length 10 [2020-10-16 12:53:58,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:53:58,277 INFO L481 AbstractCegarLoop]: Abstraction has 556 states and 1688 transitions. [2020-10-16 12:53:58,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:53:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1688 transitions. [2020-10-16 12:53:58,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:53:58,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:53:58,280 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:53:58,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:53:58,280 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:53:58,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:53:58,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1383717425, now seen corresponding path program 1 times [2020-10-16 12:53:58,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:53:58,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43106158] [2020-10-16 12:53:58,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:53:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:53:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:53:58,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43106158] [2020-10-16 12:53:58,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:53:58,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:53:58,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [668930584] [2020-10-16 12:53:58,421 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:53:58,423 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:53:58,431 INFO L258 McrAutomatonBuilder]: Finished intersection with 25 states and 36 transitions. [2020-10-16 12:53:58,431 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:53:58,573 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:53:58,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:53:58,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:53:58,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:53:58,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:53:58,575 INFO L87 Difference]: Start difference. First operand 556 states and 1688 transitions. Second operand 4 states. [2020-10-16 12:53:58,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:53:58,631 INFO L93 Difference]: Finished difference Result 580 states and 1710 transitions. [2020-10-16 12:53:58,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:53:58,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-16 12:53:58,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:53:58,635 INFO L225 Difference]: With dead ends: 580 [2020-10-16 12:53:58,635 INFO L226 Difference]: Without dead ends: 508 [2020-10-16 12:53:58,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:53:58,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-16 12:53:58,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2020-10-16 12:53:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2020-10-16 12:53:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 1524 transitions. [2020-10-16 12:53:58,651 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 1524 transitions. Word has length 12 [2020-10-16 12:53:58,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:53:58,652 INFO L481 AbstractCegarLoop]: Abstraction has 508 states and 1524 transitions. [2020-10-16 12:53:58,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:53:58,652 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1524 transitions. [2020-10-16 12:53:58,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:53:58,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:53:58,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:53:58,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:53:58,654 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:53:58,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:53:58,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1685462974, now seen corresponding path program 1 times [2020-10-16 12:53:58,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:53:58,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947625970] [2020-10-16 12:53:58,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:53:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:53:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:53:58,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947625970] [2020-10-16 12:53:58,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:53:58,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:53:58,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [775891143] [2020-10-16 12:53:58,842 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:53:58,848 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:53:58,856 INFO L258 McrAutomatonBuilder]: Finished intersection with 31 states and 46 transitions. [2020-10-16 12:53:58,856 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:53:58,959 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:53:58,999 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:53:59,021 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7772#(not (= 3 ~__unbuffered_cnt~0))] [2020-10-16 12:53:59,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:53:59,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:53:59,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:53:59,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:53:59,023 INFO L87 Difference]: Start difference. First operand 508 states and 1524 transitions. Second operand 5 states. [2020-10-16 12:53:59,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:53:59,087 INFO L93 Difference]: Finished difference Result 336 states and 885 transitions. [2020-10-16 12:53:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:53:59,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-16 12:53:59,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:53:59,089 INFO L225 Difference]: With dead ends: 336 [2020-10-16 12:53:59,090 INFO L226 Difference]: Without dead ends: 216 [2020-10-16 12:53:59,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:53:59,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-10-16 12:53:59,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2020-10-16 12:53:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-16 12:53:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 492 transitions. [2020-10-16 12:53:59,097 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 492 transitions. Word has length 14 [2020-10-16 12:53:59,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:53:59,098 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 492 transitions. [2020-10-16 12:53:59,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:53:59,098 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 492 transitions. [2020-10-16 12:53:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:53:59,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:53:59,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:53:59,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:53:59,100 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:53:59,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:53:59,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1139818764, now seen corresponding path program 1 times [2020-10-16 12:53:59,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:53:59,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084883707] [2020-10-16 12:53:59,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:53:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:53:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:53:59,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084883707] [2020-10-16 12:53:59,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:53:59,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:53:59,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1180843950] [2020-10-16 12:53:59,247 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:53:59,252 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:53:59,268 INFO L258 McrAutomatonBuilder]: Finished intersection with 40 states and 59 transitions. [2020-10-16 12:53:59,268 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:53:59,365 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:53:59,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:53:59,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:53:59,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:53:59,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:53:59,366 INFO L87 Difference]: Start difference. First operand 216 states and 492 transitions. Second operand 6 states. [2020-10-16 12:53:59,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:53:59,423 INFO L93 Difference]: Finished difference Result 189 states and 436 transitions. [2020-10-16 12:53:59,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:53:59,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-16 12:53:59,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:53:59,425 INFO L225 Difference]: With dead ends: 189 [2020-10-16 12:53:59,425 INFO L226 Difference]: Without dead ends: 176 [2020-10-16 12:53:59,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:53:59,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-16 12:53:59,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2020-10-16 12:53:59,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-10-16 12:53:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 412 transitions. [2020-10-16 12:53:59,432 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 412 transitions. Word has length 19 [2020-10-16 12:53:59,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:53:59,433 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 412 transitions. [2020-10-16 12:53:59,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:53:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 412 transitions. [2020-10-16 12:53:59,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:53:59,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:53:59,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:53:59,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:53:59,435 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:53:59,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:53:59,435 INFO L82 PathProgramCache]: Analyzing trace with hash -319992714, now seen corresponding path program 1 times [2020-10-16 12:53:59,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:53:59,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428026038] [2020-10-16 12:53:59,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:53:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:53:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:53:59,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428026038] [2020-10-16 12:53:59,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:53:59,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:53:59,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1953008564] [2020-10-16 12:53:59,551 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:53:59,558 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:53:59,590 INFO L258 McrAutomatonBuilder]: Finished intersection with 51 states and 78 transitions. [2020-10-16 12:53:59,591 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:53:59,794 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:53:59,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:53:59,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:53:59,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:53:59,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:53:59,795 INFO L87 Difference]: Start difference. First operand 176 states and 412 transitions. Second operand 5 states. [2020-10-16 12:53:59,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:53:59,826 INFO L93 Difference]: Finished difference Result 227 states and 519 transitions. [2020-10-16 12:53:59,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:53:59,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-16 12:53:59,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:53:59,828 INFO L225 Difference]: With dead ends: 227 [2020-10-16 12:53:59,828 INFO L226 Difference]: Without dead ends: 88 [2020-10-16 12:53:59,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:53:59,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-16 12:53:59,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-10-16 12:53:59,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-16 12:53:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 176 transitions. [2020-10-16 12:53:59,832 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 176 transitions. Word has length 22 [2020-10-16 12:53:59,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:53:59,832 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 176 transitions. [2020-10-16 12:53:59,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:53:59,832 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 176 transitions. [2020-10-16 12:53:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:53:59,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:53:59,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:53:59,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:53:59,833 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:53:59,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:53:59,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1848335892, now seen corresponding path program 2 times [2020-10-16 12:53:59,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:53:59,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245080488] [2020-10-16 12:53:59,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:53:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:54:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:54:00,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245080488] [2020-10-16 12:54:00,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:54:00,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 12:54:00,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1579554968] [2020-10-16 12:54:00,008 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:54:00,012 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:54:00,034 INFO L258 McrAutomatonBuilder]: Finished intersection with 43 states and 65 transitions. [2020-10-16 12:54:00,034 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:54:00,166 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [9516#(and (= ~__unbuffered_p0_EBX~0 1) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0))] [2020-10-16 12:54:00,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 12:54:00,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:54:00,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 12:54:00,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:54:00,167 INFO L87 Difference]: Start difference. First operand 88 states and 176 transitions. Second operand 11 states. [2020-10-16 12:54:00,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:54:00,317 INFO L93 Difference]: Finished difference Result 121 states and 236 transitions. [2020-10-16 12:54:00,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 12:54:00,318 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2020-10-16 12:54:00,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:54:00,319 INFO L225 Difference]: With dead ends: 121 [2020-10-16 12:54:00,319 INFO L226 Difference]: Without dead ends: 100 [2020-10-16 12:54:00,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-16 12:54:00,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-16 12:54:00,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 94. [2020-10-16 12:54:00,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-16 12:54:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 180 transitions. [2020-10-16 12:54:00,324 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 180 transitions. Word has length 22 [2020-10-16 12:54:00,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:54:00,324 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 180 transitions. [2020-10-16 12:54:00,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 12:54:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 180 transitions. [2020-10-16 12:54:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:54:00,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:54:00,325 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:54:00,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:54:00,326 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:54:00,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:54:00,326 INFO L82 PathProgramCache]: Analyzing trace with hash -111800892, now seen corresponding path program 3 times [2020-10-16 12:54:00,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:54:00,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134952160] [2020-10-16 12:54:00,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:54:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:54:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:54:00,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134952160] [2020-10-16 12:54:00,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:54:00,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 12:54:00,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1072761902] [2020-10-16 12:54:00,505 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:54:00,509 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:54:00,552 INFO L258 McrAutomatonBuilder]: Finished intersection with 45 states and 69 transitions. [2020-10-16 12:54:00,552 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:54:00,783 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [9842#(and (= ~__unbuffered_p0_EBX~0 1) (<= 1 ~__unbuffered_cnt~0) (<= ~__unbuffered_cnt~0 1)), 9843#(and (= ~__unbuffered_p0_EBX~0 1) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0))] [2020-10-16 12:54:00,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 12:54:00,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:54:00,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 12:54:00,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:54:00,785 INFO L87 Difference]: Start difference. First operand 94 states and 180 transitions. Second operand 12 states. [2020-10-16 12:54:00,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:54:00,882 INFO L93 Difference]: Finished difference Result 113 states and 204 transitions. [2020-10-16 12:54:00,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 12:54:00,883 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-16 12:54:00,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:54:00,884 INFO L225 Difference]: With dead ends: 113 [2020-10-16 12:54:00,884 INFO L226 Difference]: Without dead ends: 66 [2020-10-16 12:54:00,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-16 12:54:00,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-16 12:54:00,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 55. [2020-10-16 12:54:00,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-16 12:54:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 92 transitions. [2020-10-16 12:54:00,888 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 92 transitions. Word has length 22 [2020-10-16 12:54:00,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:54:00,888 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 92 transitions. [2020-10-16 12:54:00,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 12:54:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2020-10-16 12:54:00,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:54:00,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:54:00,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:54:00,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:54:00,889 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:54:00,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:54:00,890 INFO L82 PathProgramCache]: Analyzing trace with hash -440003464, now seen corresponding path program 4 times [2020-10-16 12:54:00,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:54:00,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576443272] [2020-10-16 12:54:00,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:54:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:54:01,503 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-10-16 12:54:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:54:01,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576443272] [2020-10-16 12:54:01,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:54:01,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:54:01,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1822515794] [2020-10-16 12:54:01,645 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:54:01,650 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:54:01,673 INFO L258 McrAutomatonBuilder]: Finished intersection with 27 states and 30 transitions. [2020-10-16 12:54:01,673 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:54:01,680 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:54:01,680 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,681 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 4, 1] term [2020-10-16 12:54:01,681 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,686 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-16 12:54:01,686 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,687 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:54:01,688 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,689 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:54:01,689 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,909 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2020-10-16 12:54:01,917 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-16 12:54:01,917 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,919 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:54:01,919 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,920 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:54:01,921 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,923 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:54:01,923 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,924 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 4, 1] term [2020-10-16 12:54:01,924 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,964 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:54:01,964 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,965 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 4, 1] term [2020-10-16 12:54:01,965 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,968 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-16 12:54:01,968 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,969 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:54:01,970 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:01,970 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:54:01,971 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:54:02,005 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [10080#(and (or (and (not (= (mod ~z$r_buff0_thd3~0 256) 0)) (not (= (mod ~z$w_buff0_used~0 256) 0))) (and (or (= (mod ~z$w_buff1_used~0 256) 0) (and (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff0_thd2~0 0) (or (not (= ~z$w_buff1~0 0)) (and (= ~z$w_buff1~0 0) (not (= ~__unbuffered_p2_EAX~0 1)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)))) (= (mod ~z$r_buff1_thd3~0 256) 0)) (or (and (not (= (mod ~z$w_buff1_used~0 256) 0)) (not (= (mod ~z$r_buff1_thd3~0 256) 0))) (and (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff0_thd2~0 0) (or (not (= ~z~0 0)) (and (= ~z$w_buff1~0 0) (not (= ~__unbuffered_p2_EAX~0 1)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))))))) (or (= (mod ~z$w_buff0_used~0 256) 0) (= (mod ~z$r_buff0_thd3~0 256) 0) (and (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff0_thd2~0 0) (or (not (= ~z$w_buff0~0 0)) (and (= ~z$w_buff1~0 0) (not (= ~__unbuffered_p2_EAX~0 1)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))))))] [2020-10-16 12:54:02,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 12:54:02,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:54:02,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 12:54:02,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:54:02,007 INFO L87 Difference]: Start difference. First operand 55 states and 92 transitions. Second operand 10 states. [2020-10-16 12:54:02,461 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-10-16 12:54:02,804 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-10-16 12:54:02,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:54:02,886 INFO L93 Difference]: Finished difference Result 66 states and 107 transitions. [2020-10-16 12:54:02,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 12:54:02,886 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-10-16 12:54:02,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:54:02,887 INFO L225 Difference]: With dead ends: 66 [2020-10-16 12:54:02,887 INFO L226 Difference]: Without dead ends: 32 [2020-10-16 12:54:02,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2020-10-16 12:54:02,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-16 12:54:02,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-16 12:54:02,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-16 12:54:02,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2020-10-16 12:54:02,890 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 42 transitions. Word has length 22 [2020-10-16 12:54:02,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:54:02,890 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 42 transitions. [2020-10-16 12:54:02,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 12:54:02,891 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2020-10-16 12:54:02,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:54:02,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:54:02,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:54:02,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:54:02,892 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:54:02,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:54:02,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1135350748, now seen corresponding path program 5 times [2020-10-16 12:54:02,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:54:02,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152944901] [2020-10-16 12:54:02,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:54:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:54:02,940 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:54:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:54:02,991 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:54:03,034 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:54:03,034 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:54:03,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:54:03,066 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,066 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,068 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,068 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,068 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,069 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,069 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,069 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,069 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,069 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,069 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,070 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,070 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,070 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,070 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,070 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,070 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,071 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,071 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,071 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,072 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,072 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,072 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,072 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,072 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,072 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,073 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,073 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,074 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,074 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,074 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,074 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,080 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,080 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,080 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,080 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,081 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,081 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,081 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,081 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,081 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,081 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,081 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,082 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,082 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,082 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,082 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,082 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,082 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,083 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,083 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,083 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,083 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,083 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,084 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,084 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,084 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,084 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,085 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,085 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,085 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,085 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,088 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,088 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,088 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,088 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,088 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,088 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,089 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,089 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,090 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:54:03,090 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:54:03,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:54:03 BasicIcfg [2020-10-16 12:54:03,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:54:03,221 INFO L168 Benchmark]: Toolchain (without parser) took 12256.30 ms. Allocated memory was 140.5 MB in the beginning and 393.7 MB in the end (delta: 253.2 MB). Free memory was 101.2 MB in the beginning and 239.3 MB in the end (delta: -138.1 MB). Peak memory consumption was 115.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:54:03,222 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-16 12:54:03,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.49 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 155.6 MB in the end (delta: -54.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:54:03,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.42 ms. Allocated memory is still 203.4 MB. Free memory was 155.6 MB in the beginning and 152.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:54:03,228 INFO L168 Benchmark]: Boogie Preprocessor took 70.13 ms. Allocated memory is still 203.4 MB. Free memory was 152.8 MB in the beginning and 150.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:54:03,229 INFO L168 Benchmark]: RCFGBuilder took 2514.97 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 150.0 MB in the beginning and 111.5 MB in the end (delta: 38.4 MB). Peak memory consumption was 100.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:54:03,230 INFO L168 Benchmark]: TraceAbstraction took 8811.64 ms. Allocated memory was 246.4 MB in the beginning and 393.7 MB in the end (delta: 147.3 MB). Free memory was 111.5 MB in the beginning and 239.3 MB in the end (delta: -127.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:54:03,240 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.49 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 155.6 MB in the end (delta: -54.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 69.42 ms. Allocated memory is still 203.4 MB. Free memory was 155.6 MB in the beginning and 152.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.13 ms. Allocated memory is still 203.4 MB. Free memory was 152.8 MB in the beginning and 150.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2514.97 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 150.0 MB in the beginning and 111.5 MB in the end (delta: 38.4 MB). Peak memory consumption was 100.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8811.64 ms. Allocated memory was 246.4 MB in the beginning and 393.7 MB in the end (delta: 147.3 MB). Free memory was 111.5 MB in the beginning and 239.3 MB in the end (delta: -127.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 886 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 106 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.7s, 106 PlacesBefore, 38 PlacesAfterwards, 98 TransitionsBefore, 29 TransitionsAfterwards, 1720 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 77 TotalNumberOfCompositions, 4621 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p0_EBX = 0; [L704] 0 int __unbuffered_p1_EAX = 0; [L706] 0 int __unbuffered_p2_EAX = 0; [L708] 0 int __unbuffered_p2_EBX = 0; [L710] 0 int a = 0; [L711] 0 _Bool main$tmp_guard0; [L712] 0 _Bool main$tmp_guard1; [L714] 0 int x = 0; [L716] 0 int y = 0; [L718] 0 int z = 0; [L719] 0 _Bool z$flush_delayed; [L720] 0 int z$mem_tmp; [L721] 0 _Bool z$r_buff0_thd0; [L722] 0 _Bool z$r_buff0_thd1; [L723] 0 _Bool z$r_buff0_thd2; [L724] 0 _Bool z$r_buff0_thd3; [L725] 0 _Bool z$r_buff1_thd0; [L726] 0 _Bool z$r_buff1_thd1; [L727] 0 _Bool z$r_buff1_thd2; [L728] 0 _Bool z$r_buff1_thd3; [L729] 0 _Bool z$read_delayed; [L730] 0 int *z$read_delayed_var; [L731] 0 int z$w_buff0; [L732] 0 _Bool z$w_buff0_used; [L733] 0 int z$w_buff1; [L734] 0 _Bool z$w_buff1_used; [L735] 0 _Bool weak$$choice0; [L736] 0 _Bool weak$$choice2; [L842] 0 pthread_t t394; [L843] FCALL, FORK 0 pthread_create(&t394, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L844] 0 pthread_t t395; [L845] FCALL, FORK 0 pthread_create(&t395, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L846] 0 pthread_t t396; [L847] FCALL, FORK 0 pthread_create(&t396, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L789] 3 z$w_buff1 = z$w_buff0 [L790] 3 z$w_buff0 = 1 [L791] 3 z$w_buff1_used = z$w_buff0_used [L792] 3 z$w_buff0_used = (_Bool)1 [L7] COND TRUE 3 !expression [L7] 3 __VERIFIER_error() [L794] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L795] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L796] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L797] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L798] 3 z$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L801] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L802] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L803] 3 z$flush_delayed = weak$$choice2 [L804] 3 z$mem_tmp = z [L805] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L805] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L806] EXPR 3 weak$$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$w_buff0)) [L806] EXPR 3 !z$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) [L806] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L806] 3 z$w_buff0 = weak$$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)) [L807] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L807] 3 z$w_buff1 = weak$$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)) [L808] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L808] 3 z$w_buff0_used = weak$$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)) [L809] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L809] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L809] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L809] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 3 weak$$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)) [L810] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L811] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] EXPR 3 !z$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) [L811] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 z$r_buff1_thd3 = weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L812] 3 __unbuffered_p2_EAX = z [L813] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L813] 3 z = z$flush_delayed ? z$mem_tmp : z [L814] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L817] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L740] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L743] 1 x = 1 [L746] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L749] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L761] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_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$$choice0=7, weak$$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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L765] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L766] 2 z$flush_delayed = weak$$choice2 [L767] 2 z$mem_tmp = z [L768] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L768] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1 [L768] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L768] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L769] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L769] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L770] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L770] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L771] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L771] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used) [L771] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L771] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L772] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L773] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L774] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L774] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L774] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L774] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 __unbuffered_p1_EAX = z [L776] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L776] 2 z = z$flush_delayed ? z$mem_tmp : z [L777] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, 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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L820] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L820] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L821] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L821] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L822] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L822] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L823] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L823] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L824] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L824] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L782] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L784] 2 return 0; [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L756] 1 return 0; [L827] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L829] 3 return 0; [L849] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L853] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L853] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L854] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L854] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L855] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L855] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L856] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L856] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L857] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L860] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 282 SDtfs, 252 SDslu, 840 SDs, 0 SdLazy, 380 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 115 SyntacticMatches, 5 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1032occurred 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 17 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 25137 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...