/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi000_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:02:09,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:02:09,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:02:09,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:02:09,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:02:09,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:02:09,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:02:09,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:02:09,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:02:09,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:02:09,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:02:09,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:02:09,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:02:09,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:02:09,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:02:09,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:02:09,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:02:09,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:02:09,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:02:09,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:02:09,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:02:09,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:02:09,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:02:09,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:02:09,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:02:09,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:02:09,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:02:09,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:02:09,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:02:09,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:02:09,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:02:09,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:02:09,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:02:09,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:02:09,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:02:09,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:02:09,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:02:09,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:02:09,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:02:09,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:02:09,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:02:09,294 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.epf [2020-10-21 23:02:09,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:02:09,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:02:09,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:02:09,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:02:09,321 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:02:09,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:02:09,322 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:02:09,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:02:09,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:02:09,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:02:09,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:02:09,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:02:09,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:02:09,323 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:02:09,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:02:09,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:02:09,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:02:09,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:02:09,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:02:09,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:02:09,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:02:09,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:02:09,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:02:09,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:02:09,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:02:09,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:02:09,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:02:09,326 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:02:09,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:02:09,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:02:09,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:02:09,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:02:09,696 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:02:09,697 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:02:09,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_power.oepc.i [2020-10-21 23:02:09,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0caf8285/dd4728821c7f4925b442e186bf8cbfcc/FLAGf30f8ad4d [2020-10-21 23:02:10,411 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:02:10,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_power.oepc.i [2020-10-21 23:02:10,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0caf8285/dd4728821c7f4925b442e186bf8cbfcc/FLAGf30f8ad4d [2020-10-21 23:02:10,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0caf8285/dd4728821c7f4925b442e186bf8cbfcc [2020-10-21 23:02:10,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:02:10,680 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:02:10,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:02:10,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:02:10,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:02:10,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:02:10" (1/1) ... [2020-10-21 23:02:10,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7333c0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:10, skipping insertion in model container [2020-10-21 23:02:10,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:02:10" (1/1) ... [2020-10-21 23:02:10,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:02:10,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:02:11,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:02:11,319 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:02:11,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:02:11,490 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:02:11,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11 WrapperNode [2020-10-21 23:02:11,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:02:11,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:02:11,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:02:11,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:02:11,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (1/1) ... [2020-10-21 23:02:11,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (1/1) ... [2020-10-21 23:02:11,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:02:11,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:02:11,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:02:11,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:02:11,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (1/1) ... [2020-10-21 23:02:11,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (1/1) ... [2020-10-21 23:02:11,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (1/1) ... [2020-10-21 23:02:11,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (1/1) ... [2020-10-21 23:02:11,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (1/1) ... [2020-10-21 23:02:11,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (1/1) ... [2020-10-21 23:02:11,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (1/1) ... [2020-10-21 23:02:11,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:02:11,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:02:11,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:02:11,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:02:11,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:02:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:02:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:02:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:02:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:02:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:02:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:02:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:02:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:02:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:02:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:02:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:02:11,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:02:11,715 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:02:14,886 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:02:14,886 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 23:02:14,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:02:14 BoogieIcfgContainer [2020-10-21 23:02:14,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:02:14,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:02:14,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:02:14,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:02:14,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:02:10" (1/3) ... [2020-10-21 23:02:14,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d48dc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:02:14, skipping insertion in model container [2020-10-21 23:02:14,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:02:11" (2/3) ... [2020-10-21 23:02:14,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d48dc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:02:14, skipping insertion in model container [2020-10-21 23:02:14,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:02:14" (3/3) ... [2020-10-21 23:02:14,899 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi000_power.oepc.i [2020-10-21 23:02:14,912 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:02:14,912 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:02:14,921 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 23:02:14,922 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:02:14,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,961 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,961 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,962 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,965 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,965 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,978 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,978 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,978 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,978 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,978 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,978 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:14,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,001 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,002 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,006 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,008 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,008 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:02:15,010 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:02:15,023 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 23:02:15,044 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:02:15,045 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:02:15,045 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:02:15,045 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:02:15,045 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:02:15,045 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:02:15,045 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:02:15,045 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:02:15,059 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:02:15,059 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 87 transitions, 184 flow [2020-10-21 23:02:15,062 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 87 transitions, 184 flow [2020-10-21 23:02:15,065 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 87 transitions, 184 flow [2020-10-21 23:02:15,148 INFO L129 PetriNetUnfolder]: 3/85 cut-off events. [2020-10-21 23:02:15,148 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:02:15,153 INFO L80 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 85 events. 3/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2020-10-21 23:02:15,156 INFO L116 LiptonReduction]: Number of co-enabled transitions 1194 [2020-10-21 23:02:15,429 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-10-21 23:02:16,716 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2020-10-21 23:02:16,782 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 2, 1] term [2020-10-21 23:02:16,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:02:16,785 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-21 23:02:16,785 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 23:02:18,011 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 145 DAG size of output: 124 [2020-10-21 23:02:18,503 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-21 23:02:19,176 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-21 23:02:19,548 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-21 23:02:20,301 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-21 23:02:20,431 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-21 23:02:20,785 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2020-10-21 23:02:20,949 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-21 23:02:20,955 INFO L131 LiptonReduction]: Checked pairs total: 3663 [2020-10-21 23:02:20,955 INFO L133 LiptonReduction]: Total number of compositions: 79 [2020-10-21 23:02:20,962 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 23 transitions, 56 flow [2020-10-21 23:02:20,984 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 266 states. [2020-10-21 23:02:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states. [2020-10-21 23:02:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-21 23:02:20,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:20,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-21 23:02:20,994 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:20,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:20,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1599198, now seen corresponding path program 1 times [2020-10-21 23:02:21,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:21,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260867323] [2020-10-21 23:02:21,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:21,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260867323] [2020-10-21 23:02:21,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:21,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:02:21,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522014329] [2020-10-21 23:02:21,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:02:21,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:21,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:02:21,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:02:21,262 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 3 states. [2020-10-21 23:02:21,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:21,362 INFO L93 Difference]: Finished difference Result 222 states and 543 transitions. [2020-10-21 23:02:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:02:21,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-21 23:02:21,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:21,378 INFO L225 Difference]: With dead ends: 222 [2020-10-21 23:02:21,379 INFO L226 Difference]: Without dead ends: 187 [2020-10-21 23:02:21,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:02:21,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-21 23:02:21,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-21 23:02:21,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-21 23:02:21,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 450 transitions. [2020-10-21 23:02:21,437 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 450 transitions. Word has length 3 [2020-10-21 23:02:21,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:21,437 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 450 transitions. [2020-10-21 23:02:21,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:02:21,438 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 450 transitions. [2020-10-21 23:02:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-21 23:02:21,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:21,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:21,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:02:21,440 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:21,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:21,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1852546265, now seen corresponding path program 1 times [2020-10-21 23:02:21,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:21,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398570441] [2020-10-21 23:02:21,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:21,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398570441] [2020-10-21 23:02:21,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:21,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:02:21,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620263769] [2020-10-21 23:02:21,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:02:21,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:21,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:02:21,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:02:21,609 INFO L87 Difference]: Start difference. First operand 187 states and 450 transitions. Second operand 5 states. [2020-10-21 23:02:21,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:21,731 INFO L93 Difference]: Finished difference Result 220 states and 503 transitions. [2020-10-21 23:02:21,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:02:21,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-21 23:02:21,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:21,734 INFO L225 Difference]: With dead ends: 220 [2020-10-21 23:02:21,734 INFO L226 Difference]: Without dead ends: 185 [2020-10-21 23:02:21,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:02:21,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-21 23:02:21,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-10-21 23:02:21,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-21 23:02:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 444 transitions. [2020-10-21 23:02:21,751 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 444 transitions. Word has length 8 [2020-10-21 23:02:21,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:21,751 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 444 transitions. [2020-10-21 23:02:21,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:02:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 444 transitions. [2020-10-21 23:02:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 23:02:21,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:21,753 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:21,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:02:21,753 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:21,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:21,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1578801255, now seen corresponding path program 1 times [2020-10-21 23:02:21,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:21,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459897383] [2020-10-21 23:02:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:21,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459897383] [2020-10-21 23:02:21,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:21,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:02:21,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417887403] [2020-10-21 23:02:21,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:02:21,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:21,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:02:21,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:02:21,851 INFO L87 Difference]: Start difference. First operand 185 states and 444 transitions. Second operand 4 states. [2020-10-21 23:02:21,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:21,902 INFO L93 Difference]: Finished difference Result 181 states and 413 transitions. [2020-10-21 23:02:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:02:21,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-21 23:02:21,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:21,905 INFO L225 Difference]: With dead ends: 181 [2020-10-21 23:02:21,905 INFO L226 Difference]: Without dead ends: 147 [2020-10-21 23:02:21,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:02:21,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-21 23:02:21,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-10-21 23:02:21,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-21 23:02:21,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 338 transitions. [2020-10-21 23:02:21,915 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 338 transitions. Word has length 9 [2020-10-21 23:02:21,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:21,916 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 338 transitions. [2020-10-21 23:02:21,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:02:21,916 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 338 transitions. [2020-10-21 23:02:21,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 23:02:21,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:21,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:21,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:02:21,918 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:21,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:21,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1781465146, now seen corresponding path program 1 times [2020-10-21 23:02:21,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:21,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525804947] [2020-10-21 23:02:21,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:22,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525804947] [2020-10-21 23:02:22,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:22,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:02:22,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818837856] [2020-10-21 23:02:22,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:02:22,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:22,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:02:22,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:02:22,258 INFO L87 Difference]: Start difference. First operand 147 states and 338 transitions. Second operand 7 states. [2020-10-21 23:02:22,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:22,494 INFO L93 Difference]: Finished difference Result 176 states and 389 transitions. [2020-10-21 23:02:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 23:02:22,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-10-21 23:02:22,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:22,500 INFO L225 Difference]: With dead ends: 176 [2020-10-21 23:02:22,500 INFO L226 Difference]: Without dead ends: 159 [2020-10-21 23:02:22,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-21 23:02:22,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-10-21 23:02:22,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-10-21 23:02:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-10-21 23:02:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 359 transitions. [2020-10-21 23:02:22,511 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 359 transitions. Word has length 12 [2020-10-21 23:02:22,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:22,511 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 359 transitions. [2020-10-21 23:02:22,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:02:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 359 transitions. [2020-10-21 23:02:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:02:22,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:22,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:22,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:02:22,513 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:22,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:22,514 INFO L82 PathProgramCache]: Analyzing trace with hash 607569189, now seen corresponding path program 1 times [2020-10-21 23:02:22,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:22,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592882565] [2020-10-21 23:02:22,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:22,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592882565] [2020-10-21 23:02:22,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:22,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:02:22,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311299636] [2020-10-21 23:02:22,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:02:22,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:22,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:02:22,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:02:22,861 INFO L87 Difference]: Start difference. First operand 159 states and 359 transitions. Second operand 8 states. [2020-10-21 23:02:23,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:23,033 INFO L93 Difference]: Finished difference Result 176 states and 387 transitions. [2020-10-21 23:02:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 23:02:23,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-10-21 23:02:23,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:23,035 INFO L225 Difference]: With dead ends: 176 [2020-10-21 23:02:23,036 INFO L226 Difference]: Without dead ends: 166 [2020-10-21 23:02:23,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-21 23:02:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-21 23:02:23,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 164. [2020-10-21 23:02:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-21 23:02:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 368 transitions. [2020-10-21 23:02:23,043 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 368 transitions. Word has length 13 [2020-10-21 23:02:23,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:23,043 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 368 transitions. [2020-10-21 23:02:23,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:02:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 368 transitions. [2020-10-21 23:02:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:02:23,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:23,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:23,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:02:23,046 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:23,046 INFO L82 PathProgramCache]: Analyzing trace with hash 657358599, now seen corresponding path program 2 times [2020-10-21 23:02:23,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:23,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412553506] [2020-10-21 23:02:23,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:23,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:23,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412553506] [2020-10-21 23:02:23,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:23,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:02:23,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291882424] [2020-10-21 23:02:23,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:02:23,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:23,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:02:23,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:02:23,543 INFO L87 Difference]: Start difference. First operand 164 states and 368 transitions. Second operand 8 states. [2020-10-21 23:02:23,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:23,833 INFO L93 Difference]: Finished difference Result 170 states and 373 transitions. [2020-10-21 23:02:23,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:02:23,836 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-10-21 23:02:23,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:23,837 INFO L225 Difference]: With dead ends: 170 [2020-10-21 23:02:23,837 INFO L226 Difference]: Without dead ends: 160 [2020-10-21 23:02:23,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-21 23:02:23,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-21 23:02:23,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 155. [2020-10-21 23:02:23,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-21 23:02:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 349 transitions. [2020-10-21 23:02:23,844 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 349 transitions. Word has length 13 [2020-10-21 23:02:23,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:23,844 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 349 transitions. [2020-10-21 23:02:23,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:02:23,844 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 349 transitions. [2020-10-21 23:02:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:02:23,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:23,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:23,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:02:23,852 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:23,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:23,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1654738674, now seen corresponding path program 1 times [2020-10-21 23:02:23,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:23,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826526732] [2020-10-21 23:02:23,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:24,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826526732] [2020-10-21 23:02:24,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:24,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-21 23:02:24,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641296521] [2020-10-21 23:02:24,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-21 23:02:24,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:24,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-21 23:02:24,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:02:24,421 INFO L87 Difference]: Start difference. First operand 155 states and 349 transitions. Second operand 10 states. [2020-10-21 23:02:24,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:24,734 INFO L93 Difference]: Finished difference Result 175 states and 389 transitions. [2020-10-21 23:02:24,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 23:02:24,735 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-21 23:02:24,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:24,736 INFO L225 Difference]: With dead ends: 175 [2020-10-21 23:02:24,736 INFO L226 Difference]: Without dead ends: 167 [2020-10-21 23:02:24,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-21 23:02:24,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-21 23:02:24,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2020-10-21 23:02:24,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-21 23:02:24,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 375 transitions. [2020-10-21 23:02:24,744 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 375 transitions. Word has length 14 [2020-10-21 23:02:24,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:24,744 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 375 transitions. [2020-10-21 23:02:24,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-21 23:02:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 375 transitions. [2020-10-21 23:02:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:02:24,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:24,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:24,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:02:24,746 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:24,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:24,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1702740624, now seen corresponding path program 2 times [2020-10-21 23:02:24,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:24,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789542012] [2020-10-21 23:02:24,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:25,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789542012] [2020-10-21 23:02:25,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:25,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-21 23:02:25,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986779074] [2020-10-21 23:02:25,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-21 23:02:25,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:25,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-21 23:02:25,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:02:25,076 INFO L87 Difference]: Start difference. First operand 167 states and 375 transitions. Second operand 10 states. [2020-10-21 23:02:25,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:25,560 INFO L93 Difference]: Finished difference Result 199 states and 447 transitions. [2020-10-21 23:02:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-21 23:02:25,560 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-21 23:02:25,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:25,562 INFO L225 Difference]: With dead ends: 199 [2020-10-21 23:02:25,562 INFO L226 Difference]: Without dead ends: 191 [2020-10-21 23:02:25,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2020-10-21 23:02:25,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-10-21 23:02:25,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 173. [2020-10-21 23:02:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-21 23:02:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 391 transitions. [2020-10-21 23:02:25,569 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 391 transitions. Word has length 14 [2020-10-21 23:02:25,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:25,570 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 391 transitions. [2020-10-21 23:02:25,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-21 23:02:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 391 transitions. [2020-10-21 23:02:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:02:25,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:25,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:25,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:02:25,571 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:25,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:25,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1075566862, now seen corresponding path program 3 times [2020-10-21 23:02:25,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:25,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156282033] [2020-10-21 23:02:25,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:25,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:25,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156282033] [2020-10-21 23:02:25,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:25,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:02:25,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609158416] [2020-10-21 23:02:25,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:02:25,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:25,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:02:25,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:02:25,786 INFO L87 Difference]: Start difference. First operand 173 states and 391 transitions. Second operand 7 states. [2020-10-21 23:02:25,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:25,957 INFO L93 Difference]: Finished difference Result 197 states and 431 transitions. [2020-10-21 23:02:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:02:25,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-21 23:02:25,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:25,959 INFO L225 Difference]: With dead ends: 197 [2020-10-21 23:02:25,959 INFO L226 Difference]: Without dead ends: 119 [2020-10-21 23:02:25,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:02:25,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-21 23:02:25,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 101. [2020-10-21 23:02:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-21 23:02:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 218 transitions. [2020-10-21 23:02:25,964 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 218 transitions. Word has length 14 [2020-10-21 23:02:25,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:25,964 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 218 transitions. [2020-10-21 23:02:25,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:02:25,964 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 218 transitions. [2020-10-21 23:02:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:02:25,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:25,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:25,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:02:25,965 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:25,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:25,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1244987090, now seen corresponding path program 1 times [2020-10-21 23:02:25,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:25,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357261080] [2020-10-21 23:02:25,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:26,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:26,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357261080] [2020-10-21 23:02:26,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:26,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:02:26,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867673021] [2020-10-21 23:02:26,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:02:26,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:26,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:02:26,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:02:26,055 INFO L87 Difference]: Start difference. First operand 101 states and 218 transitions. Second operand 5 states. [2020-10-21 23:02:26,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:26,102 INFO L93 Difference]: Finished difference Result 143 states and 300 transitions. [2020-10-21 23:02:26,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:02:26,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-21 23:02:26,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:26,104 INFO L225 Difference]: With dead ends: 143 [2020-10-21 23:02:26,104 INFO L226 Difference]: Without dead ends: 65 [2020-10-21 23:02:26,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:02:26,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-21 23:02:26,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-21 23:02:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-21 23:02:26,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 122 transitions. [2020-10-21 23:02:26,107 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 122 transitions. Word has length 15 [2020-10-21 23:02:26,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:26,107 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 122 transitions. [2020-10-21 23:02:26,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:02:26,108 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2020-10-21 23:02:26,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:02:26,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:26,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:26,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:02:26,109 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:26,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:26,109 INFO L82 PathProgramCache]: Analyzing trace with hash -259829430, now seen corresponding path program 2 times [2020-10-21 23:02:26,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:26,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126131075] [2020-10-21 23:02:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:26,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:26,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126131075] [2020-10-21 23:02:26,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:26,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:02:26,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011856541] [2020-10-21 23:02:26,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:02:26,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:26,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:02:26,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:02:26,299 INFO L87 Difference]: Start difference. First operand 65 states and 122 transitions. Second operand 4 states. [2020-10-21 23:02:26,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:26,323 INFO L93 Difference]: Finished difference Result 56 states and 90 transitions. [2020-10-21 23:02:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:02:26,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-21 23:02:26,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:26,328 INFO L225 Difference]: With dead ends: 56 [2020-10-21 23:02:26,329 INFO L226 Difference]: Without dead ends: 41 [2020-10-21 23:02:26,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:02:26,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-21 23:02:26,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-21 23:02:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-21 23:02:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 62 transitions. [2020-10-21 23:02:26,331 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 62 transitions. Word has length 15 [2020-10-21 23:02:26,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:26,332 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 62 transitions. [2020-10-21 23:02:26,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:02:26,332 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2020-10-21 23:02:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 23:02:26,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:26,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:26,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 23:02:26,333 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:26,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:26,333 INFO L82 PathProgramCache]: Analyzing trace with hash -2086364668, now seen corresponding path program 1 times [2020-10-21 23:02:26,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:26,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135680979] [2020-10-21 23:02:26,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:02:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:02:26,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135680979] [2020-10-21 23:02:26,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:02:26,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:02:26,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415163742] [2020-10-21 23:02:26,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:02:26,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:02:26,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:02:26,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:02:26,498 INFO L87 Difference]: Start difference. First operand 41 states and 62 transitions. Second operand 5 states. [2020-10-21 23:02:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:02:26,530 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions. [2020-10-21 23:02:26,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:02:26,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-21 23:02:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:02:26,531 INFO L225 Difference]: With dead ends: 32 [2020-10-21 23:02:26,531 INFO L226 Difference]: Without dead ends: 27 [2020-10-21 23:02:26,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:02:26,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-21 23:02:26,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-21 23:02:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-21 23:02:26,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2020-10-21 23:02:26,533 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 16 [2020-10-21 23:02:26,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:02:26,533 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2020-10-21 23:02:26,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:02:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2020-10-21 23:02:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 23:02:26,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:02:26,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:02:26,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 23:02:26,534 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:02:26,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:02:26,535 INFO L82 PathProgramCache]: Analyzing trace with hash -900826592, now seen corresponding path program 1 times [2020-10-21 23:02:26,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:02:26,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758148661] [2020-10-21 23:02:26,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:02:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:02:26,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:02:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:02:26,691 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:02:26,753 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:02:26,753 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:02:26,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 23:02:26,779 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,780 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [737] [2020-10-21 23:02:26,783 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,784 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,784 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,784 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,785 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,786 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,786 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,786 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,786 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,786 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,787 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,787 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,787 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,787 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,788 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,788 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,788 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,788 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,788 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,788 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,789 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,790 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,790 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,790 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,790 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,790 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,791 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,791 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,791 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,791 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,791 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,792 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,796 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,796 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,796 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,797 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,797 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,797 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,797 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,797 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,797 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,798 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,798 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,798 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,798 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,798 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,798 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,798 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,799 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,799 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,799 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,799 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,799 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,799 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,800 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,800 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,800 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,800 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,800 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,800 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,800 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,800 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,801 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,801 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,802 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,802 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,802 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,802 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,802 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,802 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,802 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,803 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,803 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,803 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,804 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,804 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,804 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,804 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,804 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,804 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,804 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,804 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,805 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,805 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,805 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,805 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,805 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,805 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,805 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,806 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,806 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,806 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,806 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,806 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,806 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,807 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,807 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,807 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,807 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,807 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,807 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,807 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,807 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,808 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,808 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,808 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,808 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,808 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,808 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,808 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,809 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,809 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,809 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,810 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,810 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:02:26,810 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:02:26,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:02:26 BasicIcfg [2020-10-21 23:02:26,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:02:26,925 INFO L168 Benchmark]: Toolchain (without parser) took 16247.49 ms. Allocated memory was 138.9 MB in the beginning and 457.2 MB in the end (delta: 318.2 MB). Free memory was 99.7 MB in the beginning and 387.9 MB in the end (delta: -288.2 MB). Peak memory consumption was 281.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:02:26,926 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-21 23:02:26,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.84 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 98.9 MB in the beginning and 149.6 MB in the end (delta: -50.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:02:26,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.23 ms. Allocated memory is still 201.3 MB. Free memory was 149.6 MB in the beginning and 146.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:02:26,931 INFO L168 Benchmark]: Boogie Preprocessor took 57.45 ms. Allocated memory is still 201.3 MB. Free memory was 146.6 MB in the beginning and 142.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:02:26,932 INFO L168 Benchmark]: RCFGBuilder took 3266.49 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 142.7 MB in the beginning and 113.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 108.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:02:26,935 INFO L168 Benchmark]: TraceAbstraction took 12028.99 ms. Allocated memory was 250.6 MB in the beginning and 457.2 MB in the end (delta: 206.6 MB). Free memory was 111.3 MB in the beginning and 387.9 MB in the end (delta: -276.6 MB). Peak memory consumption was 181.6 MB. Max. memory is 7.1 GB. [2020-10-21 23:02:26,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 809.84 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 98.9 MB in the beginning and 149.6 MB in the end (delta: -50.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 73.23 ms. Allocated memory is still 201.3 MB. Free memory was 149.6 MB in the beginning and 146.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.45 ms. Allocated memory is still 201.3 MB. Free memory was 146.6 MB in the beginning and 142.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3266.49 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 142.7 MB in the beginning and 113.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 108.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12028.99 ms. Allocated memory was 250.6 MB in the beginning and 457.2 MB in the end (delta: 206.6 MB). Free memory was 111.3 MB in the beginning and 387.9 MB in the end (delta: -276.6 MB). Peak memory consumption was 181.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 642 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 41 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.8s, 91 PlacesBefore, 29 PlacesAfterwards, 87 TransitionsBefore, 23 TransitionsAfterwards, 1194 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 79 TotalNumberOfCompositions, 3663 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$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L826] 0 pthread_t t1585; [L827] FCALL, FORK 0 pthread_create(&t1585, ((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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L828] 0 pthread_t t1586; [L829] FCALL, FORK 0 pthread_create(&t1586, ((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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 y$w_buff1 = y$w_buff0 [L739] 1 y$w_buff0 = 2 [L740] 1 y$w_buff1_used = y$w_buff0_used [L741] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L744] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L745] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L746] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 x = 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=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L766] 2 x = 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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L769] 2 y = 1 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=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L777] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0 [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L779] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L781] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EAX = y [L784] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L788] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L789] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L790] 2 y$flush_delayed = weak$$choice2 [L791] 2 y$mem_tmp = y [L792] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L792] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L792] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L793] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L793] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L794] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L794] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L795] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L795] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L796] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L796] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L796] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L796] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L796] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L796] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L797] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L797] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L797] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L797] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L798] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L798] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L798] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L798] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L799] 2 __unbuffered_p1_EBX = y [L800] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L800] 2 y = y$flush_delayed ? y$mem_tmp : y [L801] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L752] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L752] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L753] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L754] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L755] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L756] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; [L804] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L804] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L805] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L805] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L806] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L806] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L807] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L807] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L808] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L808] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L811] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L813] 2 return 0; [L831] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L835] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L835] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L835] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L835] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L836] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L836] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L837] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L837] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L838] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L838] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L839] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L842] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L843] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L844] 0 y$flush_delayed = weak$$choice2 [L845] 0 y$mem_tmp = y [L846] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L846] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1 [L846] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L846] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L847] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L847] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L847] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L847] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L848] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L848] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L849] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L849] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L849] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L849] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L850] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L850] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L851] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L851] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L851] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L851] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L851] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L852] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L852] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L852] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0 [L852] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L852] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L852] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L853] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 1) [L854] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L854] 0 y = y$flush_delayed ? y$mem_tmp : y [L855] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "rfi000_power.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 85 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.7s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, HoareTripleCheckerStatistics: 236 SDtfs, 275 SDslu, 500 SDs, 0 SdLazy, 476 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 15344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...