/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi007_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:08:42,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:08:42,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:08:42,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:08:42,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:08:42,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:08:42,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:08:42,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:08:42,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:08:42,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:08:42,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:08:42,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:08:42,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:08:42,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:08:42,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:08:42,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:08:42,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:08:42,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:08:42,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:08:42,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:08:42,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:08:42,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:08:42,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:08:42,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:08:42,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:08:42,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:08:42,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:08:42,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:08:42,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:08:42,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:08:42,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:08:42,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:08:42,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:08:42,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:08:42,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:08:42,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:08:42,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:08:42,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:08:42,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:08:42,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:08:42,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:08:42,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 02:08:42,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:08:42,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:08:42,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:08:42,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:08:42,731 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:08:42,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:08:42,732 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:08:42,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:08:42,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:08:42,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:08:42,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:08:42,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:08:42,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:08:42,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:08:42,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:08:42,734 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:08:42,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:08:42,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:08:42,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:08:42,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:08:42,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:08:42,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:08:42,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:08:42,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:08:42,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:08:42,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:08:42,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:08:42,737 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:08:42,737 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:08:42,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:08:42,737 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:08:43,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:08:43,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:08:43,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:08:43,085 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:08:43,086 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:08:43,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi007_power.opt.i [2020-10-22 02:08:43,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a04250dea/815a533c56974c24a6a667882d41bda9/FLAGcb95eead2 [2020-10-22 02:08:43,672 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:08:43,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi007_power.opt.i [2020-10-22 02:08:43,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a04250dea/815a533c56974c24a6a667882d41bda9/FLAGcb95eead2 [2020-10-22 02:08:43,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a04250dea/815a533c56974c24a6a667882d41bda9 [2020-10-22 02:08:43,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:08:43,996 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:08:43,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:08:43,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:08:44,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:08:44,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:08:43" (1/1) ... [2020-10-22 02:08:44,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f94d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44, skipping insertion in model container [2020-10-22 02:08:44,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:08:43" (1/1) ... [2020-10-22 02:08:44,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:08:44,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:08:44,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:08:44,750 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:08:44,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:08:44,884 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:08:44,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44 WrapperNode [2020-10-22 02:08:44,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:08:44,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:08:44,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:08:44,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:08:44,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (1/1) ... [2020-10-22 02:08:44,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (1/1) ... [2020-10-22 02:08:44,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:08:44,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:08:44,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:08:44,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:08:44,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (1/1) ... [2020-10-22 02:08:44,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (1/1) ... [2020-10-22 02:08:44,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (1/1) ... [2020-10-22 02:08:44,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (1/1) ... [2020-10-22 02:08:44,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (1/1) ... [2020-10-22 02:08:45,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (1/1) ... [2020-10-22 02:08:45,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (1/1) ... [2020-10-22 02:08:45,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:08:45,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:08:45,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:08:45,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:08:45,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:08:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:08:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 02:08:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:08:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:08:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 02:08:45,086 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 02:08:45,086 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 02:08:45,087 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 02:08:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:08:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 02:08:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:08:45,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:08:45,089 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:08:46,998 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:08:46,999 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-22 02:08:47,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:08:47 BoogieIcfgContainer [2020-10-22 02:08:47,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:08:47,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:08:47,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:08:47,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:08:47,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:08:43" (1/3) ... [2020-10-22 02:08:47,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c4311b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:08:47, skipping insertion in model container [2020-10-22 02:08:47,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:08:44" (2/3) ... [2020-10-22 02:08:47,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c4311b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:08:47, skipping insertion in model container [2020-10-22 02:08:47,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:08:47" (3/3) ... [2020-10-22 02:08:47,012 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi007_power.opt.i [2020-10-22 02:08:47,026 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:08:47,026 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:08:47,035 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 02:08:47,037 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:08:47,070 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,070 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,070 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,071 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,071 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,073 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,076 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,076 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,098 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,101 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,108 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,109 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,109 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:08:47,112 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:08:47,129 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 02:08:47,153 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:08:47,154 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:08:47,154 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:08:47,154 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:08:47,154 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:08:47,154 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:08:47,154 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:08:47,155 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:08:47,171 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:08:47,172 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 86 transitions, 182 flow [2020-10-22 02:08:47,176 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 86 transitions, 182 flow [2020-10-22 02:08:47,178 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 86 transitions, 182 flow [2020-10-22 02:08:47,224 INFO L129 PetriNetUnfolder]: 3/84 cut-off events. [2020-10-22 02:08:47,224 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:08:47,229 INFO L80 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 84 events. 3/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2020-10-22 02:08:47,232 INFO L116 LiptonReduction]: Number of co-enabled transitions 1120 [2020-10-22 02:08:47,616 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-22 02:08:48,084 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-22 02:08:49,235 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-10-22 02:08:50,139 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-10-22 02:08:50,320 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-22 02:08:50,375 INFO L131 LiptonReduction]: Checked pairs total: 3369 [2020-10-22 02:08:50,376 INFO L133 LiptonReduction]: Total number of compositions: 84 [2020-10-22 02:08:50,384 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 21 transitions, 52 flow [2020-10-22 02:08:50,416 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 194 states. [2020-10-22 02:08:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2020-10-22 02:08:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-22 02:08:50,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:08:50,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-22 02:08:50,450 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:08:50,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:08:50,461 INFO L82 PathProgramCache]: Analyzing trace with hash 953712, now seen corresponding path program 1 times [2020-10-22 02:08:50,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:08:50,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213062641] [2020-10-22 02:08:50,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:08:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:08:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:08:50,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213062641] [2020-10-22 02:08:50,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:08:50,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:08:50,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1073128632] [2020-10-22 02:08:50,723 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:08:50,726 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:08:50,739 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-22 02:08:50,739 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:08:50,743 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:08:50,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:08:50,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:08:50,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:08:50,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:08:50,763 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 3 states. [2020-10-22 02:08:50,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:08:50,821 INFO L93 Difference]: Finished difference Result 162 states and 385 transitions. [2020-10-22 02:08:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:08:50,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-22 02:08:50,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:08:50,835 INFO L225 Difference]: With dead ends: 162 [2020-10-22 02:08:50,836 INFO L226 Difference]: Without dead ends: 132 [2020-10-22 02:08:50,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:08:50,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-22 02:08:50,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-10-22 02:08:50,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-22 02:08:50,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 306 transitions. [2020-10-22 02:08:50,892 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 306 transitions. Word has length 3 [2020-10-22 02:08:50,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:08:50,893 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 306 transitions. [2020-10-22 02:08:50,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:08:50,893 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 306 transitions. [2020-10-22 02:08:50,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 02:08:50,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:08:50,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:08:50,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:08:50,895 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:08:50,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:08:50,895 INFO L82 PathProgramCache]: Analyzing trace with hash 362410442, now seen corresponding path program 1 times [2020-10-22 02:08:50,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:08:50,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318130734] [2020-10-22 02:08:50,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:08:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:08:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:08:50,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318130734] [2020-10-22 02:08:50,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:08:50,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:08:50,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [387057533] [2020-10-22 02:08:50,971 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:08:50,972 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:08:50,974 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 02:08:50,974 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:08:50,974 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:08:50,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:08:50,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:08:50,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:08:50,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:08:50,977 INFO L87 Difference]: Start difference. First operand 132 states and 306 transitions. Second operand 3 states. [2020-10-22 02:08:50,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:08:50,993 INFO L93 Difference]: Finished difference Result 122 states and 278 transitions. [2020-10-22 02:08:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:08:50,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 02:08:50,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:08:50,997 INFO L225 Difference]: With dead ends: 122 [2020-10-22 02:08:50,997 INFO L226 Difference]: Without dead ends: 122 [2020-10-22 02:08:50,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:08:51,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-22 02:08:51,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-22 02:08:51,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-22 02:08:51,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 278 transitions. [2020-10-22 02:08:51,023 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 278 transitions. Word has length 7 [2020-10-22 02:08:51,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:08:51,023 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 278 transitions. [2020-10-22 02:08:51,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:08:51,024 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 278 transitions. [2020-10-22 02:08:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:08:51,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:08:51,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:08:51,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:08:51,029 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:08:51,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:08:51,030 INFO L82 PathProgramCache]: Analyzing trace with hash 383091255, now seen corresponding path program 1 times [2020-10-22 02:08:51,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:08:51,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063964005] [2020-10-22 02:08:51,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:08:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:08:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:08:51,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063964005] [2020-10-22 02:08:51,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:08:51,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:08:51,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [695267413] [2020-10-22 02:08:51,146 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:08:51,147 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:08:51,150 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 17 transitions. [2020-10-22 02:08:51,151 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:08:51,205 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:51,246 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:51,257 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1283#(not (= 2 ~__unbuffered_cnt~0))] [2020-10-22 02:08:51,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:08:51,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:08:51,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:08:51,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:08:51,258 INFO L87 Difference]: Start difference. First operand 122 states and 278 transitions. Second operand 5 states. [2020-10-22 02:08:51,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:08:51,316 INFO L93 Difference]: Finished difference Result 75 states and 150 transitions. [2020-10-22 02:08:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 02:08:51,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-22 02:08:51,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:08:51,317 INFO L225 Difference]: With dead ends: 75 [2020-10-22 02:08:51,317 INFO L226 Difference]: Without dead ends: 45 [2020-10-22 02:08:51,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:08:51,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-22 02:08:51,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-22 02:08:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-22 02:08:51,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 72 transitions. [2020-10-22 02:08:51,322 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 72 transitions. Word has length 9 [2020-10-22 02:08:51,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:08:51,323 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 72 transitions. [2020-10-22 02:08:51,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:08:51,323 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2020-10-22 02:08:51,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 02:08:51,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:08:51,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:08:51,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:08:51,325 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:08:51,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:08:51,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1500000036, now seen corresponding path program 1 times [2020-10-22 02:08:51,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:08:51,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787796025] [2020-10-22 02:08:51,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:08:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:08:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:08:51,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787796025] [2020-10-22 02:08:51,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:08:51,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-22 02:08:51,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1200627311] [2020-10-22 02:08:51,609 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:08:51,613 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:08:51,666 INFO L252 McrAutomatonBuilder]: Finished intersection with 35 states and 50 transitions. [2020-10-22 02:08:51,666 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:08:51,942 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:51,945 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:51,946 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:51,952 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-22 02:08:51,952 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:51,955 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 02:08:51,955 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:51,957 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:51,959 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-10-22 02:08:51,960 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:51,961 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:51,975 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:51,977 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:08:51,979 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:51,980 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:51,994 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:51,999 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,004 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,010 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:52,025 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,026 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,027 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:52,040 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,056 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,058 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:08:52,059 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,060 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,071 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,075 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,080 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,084 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:52,096 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-10-22 02:08:52,102 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,103 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:52,110 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,111 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:08:52,112 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,142 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:08:52,181 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,201 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,202 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,215 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,216 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:08:52,218 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,233 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:08:52,245 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,251 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 3, 4, 2, 3, 2, 1] term [2020-10-22 02:08:52,252 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,508 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2020-10-22 02:08:52,516 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:52,519 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,519 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,522 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-22 02:08:52,522 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,524 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 02:08:52,525 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,526 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-10-22 02:08:52,532 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:52,538 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,539 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:52,546 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,547 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,548 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,552 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:08:52,553 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,562 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:08:52,568 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,572 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:08:52,574 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,581 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:08:52,589 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,590 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,596 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,597 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,601 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,608 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:52,614 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,615 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,616 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:52,623 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,624 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 02:08:52,629 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,639 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,640 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,641 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,645 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:08:52,646 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,653 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:08:52,660 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,664 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-22 02:08:52,665 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,672 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:08:52,679 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,680 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,685 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,686 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,689 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,692 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 3, 4, 2, 3, 2, 1] term [2020-10-22 02:08:52,693 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,854 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-10-22 02:08:52,872 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,872 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,877 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-22 02:08:52,877 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,879 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 02:08:52,879 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,880 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,881 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,896 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,897 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,900 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,905 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,906 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,911 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 02:08:52,912 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 02:08:52,922 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:08:52,928 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,929 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,941 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 02:08:52,944 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 02:08:52,948 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 02:08:52,952 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,954 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,957 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 3, 4, 2, 3, 2, 1] term [2020-10-22 02:08:52,958 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 02:08:52,973 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [1462#(and (= ~__unbuffered_p1_EBX~0 1) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0)), 1463#(or (not (= (mod ~x$w_buff0_used~0 256) 0)) (= ~__unbuffered_cnt~0 0)), 1464#(and (= ~x$w_buff0~0 1) (not (= (mod ~x$r_buff0_thd1~0 256) 0)) (not (= (mod ~x$w_buff0_used~0 256) 0)) (= ~__unbuffered_cnt~0 0))] [2020-10-22 02:08:52,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-22 02:08:52,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:08:52,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-22 02:08:52,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-22 02:08:52,975 INFO L87 Difference]: Start difference. First operand 45 states and 72 transitions. Second operand 12 states. [2020-10-22 02:08:53,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:08:53,289 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2020-10-22 02:08:53,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-22 02:08:53,290 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2020-10-22 02:08:53,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:08:53,293 INFO L225 Difference]: With dead ends: 64 [2020-10-22 02:08:53,293 INFO L226 Difference]: Without dead ends: 46 [2020-10-22 02:08:53,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2020-10-22 02:08:53,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-22 02:08:53,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 35. [2020-10-22 02:08:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-22 02:08:53,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 52 transitions. [2020-10-22 02:08:53,304 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 52 transitions. Word has length 16 [2020-10-22 02:08:53,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:08:53,304 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 52 transitions. [2020-10-22 02:08:53,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-22 02:08:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2020-10-22 02:08:53,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 02:08:53,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:08:53,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:08:53,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:08:53,306 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:08:53,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:08:53,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1871859492, now seen corresponding path program 2 times [2020-10-22 02:08:53,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:08:53,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907327901] [2020-10-22 02:08:53,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:08:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:08:53,424 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:08:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:08:53,521 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:08:53,556 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:08:53,556 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:08:53,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:08:53,558 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 02:08:53,569 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [919] [919] L817-->L824: Formula: (let ((.cse7 (= (mod ~x$r_buff1_thd0~0_In-1442430381 256) 0)) (.cse6 (= (mod ~x$w_buff1_used~0_In-1442430381 256) 0)) (.cse9 (= (mod ~x$r_buff0_thd0~0_In-1442430381 256) 0)) (.cse8 (= (mod ~x$w_buff0_used~0_In-1442430381 256) 0))) (let ((.cse0 (or .cse9 .cse8)) (.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse3 (not .cse6)) (.cse4 (not .cse7)) (.cse5 (or .cse6 .cse7))) (and (or (and (= ~x$w_buff0_used~0_In-1442430381 ~x$w_buff0_used~0_Out-1442430381) .cse0) (and (= ~x$w_buff0_used~0_Out-1442430381 0) .cse1 .cse2)) (= ~x$r_buff1_thd0~0_In-1442430381 ~x$r_buff1_thd0~0_Out-1442430381) (or (and .cse0 (or (and .cse3 .cse4 (= ~x~0_Out-1442430381 ~x$w_buff1~0_In-1442430381)) (and (= ~x~0_Out-1442430381 ~x~0_In-1442430381) .cse5))) (and .cse1 .cse2 (= ~x$w_buff0~0_In-1442430381 ~x~0_Out-1442430381))) (= ~x$r_buff0_thd0~0_Out-1442430381 ~x$r_buff0_thd0~0_In-1442430381) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1442430381 0)) (or (and (= ~x$w_buff1_used~0_Out-1442430381 0) .cse3 .cse4) (and (= ~x$w_buff1_used~0_Out-1442430381 ~x$w_buff1_used~0_In-1442430381) .cse5)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In-1442430381| ULTIMATE.start_assume_abort_if_not_~cond_Out-1442430381)))) InVars {~x$w_buff0~0=~x$w_buff0~0_In-1442430381, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-1442430381, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1442430381|, ~x$w_buff1~0=~x$w_buff1~0_In-1442430381, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-1442430381, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In-1442430381, ~x~0=~x~0_In-1442430381, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1442430381} OutVars{~x$w_buff0~0=~x$w_buff0~0_In-1442430381, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_Out-1442430381, ~x$w_buff1~0=~x$w_buff1~0_In-1442430381, ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out-1442430381|, ~x$w_buff1_used~0=~x$w_buff1_used~0_Out-1442430381, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out-1442430381|, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_Out-1442430381, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out-1442430381|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out-1442430381|, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out-1442430381|, ~x$w_buff0_used~0=~x$w_buff0_used~0_Out-1442430381, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out-1442430381|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1442430381|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1442430381, ~x~0=~x~0_Out-1442430381} AuxVars[] AssignedVars[~x$r_buff0_thd0~0, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite47, ~x$w_buff1_used~0, ULTIMATE.start_main_#t~ite46, ~x$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42, ~x~0, ULTIMATE.start_main_#t~ite45, ~x$w_buff0_used~0, ULTIMATE.start_main_#t~ite44] because there is no mapped edge [2020-10-22 02:08:53,573 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,574 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [737] [2020-10-22 02:08:53,576 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,576 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,576 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,576 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,576 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,577 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,577 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,577 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,577 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,577 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,578 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,578 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,578 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,578 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,579 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,579 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,579 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,579 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,579 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,580 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,580 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,580 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,580 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,580 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,580 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,581 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,581 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,581 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,581 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,582 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,582 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,582 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,582 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,582 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,583 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,583 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,583 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,584 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,584 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,584 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,584 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,584 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,584 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,585 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,585 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 02:08:53,585 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 02:08:53,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:08:53 BasicIcfg [2020-10-22 02:08:53,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:08:53,633 INFO L168 Benchmark]: Toolchain (without parser) took 9642.66 ms. Allocated memory was 146.3 MB in the beginning and 323.0 MB in the end (delta: 176.7 MB). Free memory was 100.3 MB in the beginning and 261.4 MB in the end (delta: -161.1 MB). Peak memory consumption was 193.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:08:53,634 INFO L168 Benchmark]: CDTParser took 2.52 ms. Allocated memory is still 146.3 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-22 02:08:53,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 888.27 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 99.4 MB in the beginning and 157.7 MB in the end (delta: -58.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-10-22 02:08:53,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.54 ms. Allocated memory is still 204.5 MB. Free memory was 157.7 MB in the beginning and 154.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:08:53,636 INFO L168 Benchmark]: Boogie Preprocessor took 41.39 ms. Allocated memory is still 204.5 MB. Free memory was 154.7 MB in the beginning and 152.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:08:53,637 INFO L168 Benchmark]: RCFGBuilder took 1989.90 ms. Allocated memory was 204.5 MB in the beginning and 246.9 MB in the end (delta: 42.5 MB). Free memory was 151.8 MB in the beginning and 190.5 MB in the end (delta: -38.8 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. [2020-10-22 02:08:53,638 INFO L168 Benchmark]: TraceAbstraction took 6628.51 ms. Allocated memory was 246.9 MB in the beginning and 323.0 MB in the end (delta: 76.0 MB). Free memory was 188.6 MB in the beginning and 261.4 MB in the end (delta: -72.8 MB). Peak memory consumption was 181.4 MB. Max. memory is 7.1 GB. [2020-10-22 02:08:53,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.52 ms. Allocated memory is still 146.3 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 888.27 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 99.4 MB in the beginning and 157.7 MB in the end (delta: -58.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 83.54 ms. Allocated memory is still 204.5 MB. Free memory was 157.7 MB in the beginning and 154.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.39 ms. Allocated memory is still 204.5 MB. Free memory was 154.7 MB in the beginning and 152.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1989.90 ms. Allocated memory was 204.5 MB in the beginning and 246.9 MB in the end (delta: 42.5 MB). Free memory was 151.8 MB in the beginning and 190.5 MB in the end (delta: -38.8 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6628.51 ms. Allocated memory was 246.9 MB in the beginning and 323.0 MB in the end (delta: 76.0 MB). Free memory was 188.6 MB in the beginning and 261.4 MB in the end (delta: -72.8 MB). Peak memory consumption was 181.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 629 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 53 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.2s, 90 PlacesBefore, 27 PlacesAfterwards, 86 TransitionsBefore, 21 TransitionsAfterwards, 1120 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 84 TotalNumberOfCompositions, 3369 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$read_delayed; [L726] 0 int *x$read_delayed_var; [L727] 0 int x$w_buff0; [L728] 0 _Bool x$w_buff0_used; [L729] 0 int x$w_buff1; [L730] 0 _Bool x$w_buff1_used; [L732] 0 int y = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t1707; [L811] FCALL, FORK 0 pthread_create(&t1707, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L738] 1 x$w_buff1 = x$w_buff0 [L739] 1 x$w_buff0 = 1 [L740] 1 x$w_buff1_used = x$w_buff0_used [L741] 1 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L744] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L745] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L746] 1 x$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L812] 0 pthread_t t1708; [L813] FCALL, FORK 0 pthread_create(&t1708, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L749] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L766] 2 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L769] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 x$flush_delayed = weak$$choice2 [L775] 2 x$mem_tmp = x [L776] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L776] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L777] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L777] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0) [L777] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L777] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L778] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L778] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L779] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L779] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L780] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L780] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L781] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L782] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L782] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EBX = x [L784] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L784] 2 x = x$flush_delayed ? x$mem_tmp : x [L785] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L752] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L753] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L754] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L755] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L756] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L756] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L788] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L789] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L790] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L791] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L792] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L826] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "rfi007_power.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 73 SDtfs, 68 SDslu, 179 SDs, 0 SdLazy, 198 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 2519 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...