/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/mix007_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:28:06,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:28:06,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:28:06,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:28:06,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:28:06,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:28:06,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:28:06,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:28:06,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:28:06,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:28:06,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:28:06,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:28:06,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:28:06,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:28:06,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:28:06,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:28:06,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:28:06,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:28:06,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:28:06,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:28:06,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:28:06,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:28:06,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:28:06,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:28:06,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 23:28:06,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 23:28:06,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 23:28:06,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 23:28:06,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 23:28:06,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 23:28:06,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:28:06,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:28:06,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:28:06,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:28:06,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:28:06,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:28:06,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:28:06,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:28:06,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:28:06,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:28:06,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:28:06,145 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 [2020-10-05 23:28:06,168 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:28:06,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:28:06,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:28:06,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:28:06,170 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:28:06,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:28:06,170 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:28:06,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:28:06,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:28:06,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:28:06,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:28:06,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:28:06,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:28:06,171 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:28:06,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:28:06,172 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:28:06,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:28:06,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:28:06,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:28:06,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:28:06,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:28:06,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:28:06,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:28:06,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:28:06,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:28:06,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:28:06,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:28:06,174 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:28:06,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:28:06,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:28:06,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:28:06,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:28:06,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:28:06,528 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:28:06,529 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix007_rmo.oepc.i [2020-10-05 23:28:06,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8e7beb4/997786f6903f44aebf754a2c1febb2cf/FLAGc9ee39e34 [2020-10-05 23:28:07,196 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:28:07,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix007_rmo.oepc.i [2020-10-05 23:28:07,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8e7beb4/997786f6903f44aebf754a2c1febb2cf/FLAGc9ee39e34 [2020-10-05 23:28:07,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8e7beb4/997786f6903f44aebf754a2c1febb2cf [2020-10-05 23:28:07,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:28:07,447 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:28:07,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:28:07,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:28:07,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:28:07,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:28:07" (1/1) ... [2020-10-05 23:28:07,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a799f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:07, skipping insertion in model container [2020-10-05 23:28:07,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:28:07" (1/1) ... [2020-10-05 23:28:07,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:28:07,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:28:08,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:28:08,136 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:28:08,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:28:08,283 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:28:08,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08 WrapperNode [2020-10-05 23:28:08,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:28:08,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:28:08,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:28:08,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:28:08,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (1/1) ... [2020-10-05 23:28:08,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (1/1) ... [2020-10-05 23:28:08,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:28:08,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:28:08,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:28:08,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:28:08,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (1/1) ... [2020-10-05 23:28:08,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (1/1) ... [2020-10-05 23:28:08,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (1/1) ... [2020-10-05 23:28:08,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (1/1) ... [2020-10-05 23:28:08,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (1/1) ... [2020-10-05 23:28:08,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (1/1) ... [2020-10-05 23:28:08,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (1/1) ... [2020-10-05 23:28:08,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:28:08,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:28:08,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:28:08,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:28:08,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (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 [2020-10-05 23:28:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:28:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:28:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:28:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:28:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:28:08,466 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:28:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:28:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:28:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:28:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:28:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-05 23:28:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-05 23:28:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:28:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:28:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:28:08,471 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:28:10,720 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:28:10,721 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:28:10,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:28:10 BoogieIcfgContainer [2020-10-05 23:28:10,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:28:10,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:28:10,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:28:10,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:28:10,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:28:07" (1/3) ... [2020-10-05 23:28:10,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a45de17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:28:10, skipping insertion in model container [2020-10-05 23:28:10,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:28:08" (2/3) ... [2020-10-05 23:28:10,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a45de17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:28:10, skipping insertion in model container [2020-10-05 23:28:10,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:28:10" (3/3) ... [2020-10-05 23:28:10,733 INFO L109 eAbstractionObserver]: Analyzing ICFG mix007_rmo.oepc.i [2020-10-05 23:28:10,744 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:28:10,744 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:28:10,753 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:28:10,754 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:28:10,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,792 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,792 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,793 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,793 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,796 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,797 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,800 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,800 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,802 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,803 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,803 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,803 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,803 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,810 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,812 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,812 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,812 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,815 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,815 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,816 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,816 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,817 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,817 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,823 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,833 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,834 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,839 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,839 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,843 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,844 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:28:10,867 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-05 23:28:10,890 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:28:10,890 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:28:10,890 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:28:10,890 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:28:10,890 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:28:10,890 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:28:10,891 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:28:10,891 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:28:10,908 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 250 flow [2020-10-05 23:28:10,910 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2020-10-05 23:28:10,962 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2020-10-05 23:28:10,963 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:28:10,969 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-10-05 23:28:10,974 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2020-10-05 23:28:11,001 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2020-10-05 23:28:11,001 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:28:11,002 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-10-05 23:28:11,006 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2824 [2020-10-05 23:28:11,007 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:28:11,576 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:28:12,001 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-05 23:28:12,434 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-05 23:28:12,540 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-05 23:28:13,520 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-05 23:28:13,786 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-10-05 23:28:13,921 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-05 23:28:13,933 INFO L206 etLargeBlockEncoding]: Checked pairs total: 9172 [2020-10-05 23:28:13,934 INFO L214 etLargeBlockEncoding]: Total number of compositions: 85 [2020-10-05 23:28:13,938 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 38 transitions, 96 flow [2020-10-05 23:28:14,560 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 7994 states. [2020-10-05 23:28:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 7994 states. [2020-10-05 23:28:14,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-05 23:28:14,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:14,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-05 23:28:14,578 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:14,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:14,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1198631, now seen corresponding path program 1 times [2020-10-05 23:28:14,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:14,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454251784] [2020-10-05 23:28:14,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:14,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:14,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454251784] [2020-10-05 23:28:14,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:14,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:28:14,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712435163] [2020-10-05 23:28:14,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:28:14,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:14,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:28:14,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:28:14,890 INFO L87 Difference]: Start difference. First operand 7994 states. Second operand 3 states. [2020-10-05 23:28:15,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:15,103 INFO L93 Difference]: Finished difference Result 6662 states and 27160 transitions. [2020-10-05 23:28:15,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:28:15,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-05 23:28:15,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:15,180 INFO L225 Difference]: With dead ends: 6662 [2020-10-05 23:28:15,180 INFO L226 Difference]: Without dead ends: 4862 [2020-10-05 23:28:15,182 INFO L675 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 [2020-10-05 23:28:15,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4862 states. [2020-10-05 23:28:15,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4862 to 4862. [2020-10-05 23:28:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4862 states. [2020-10-05 23:28:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4862 states to 4862 states and 19480 transitions. [2020-10-05 23:28:15,535 INFO L78 Accepts]: Start accepts. Automaton has 4862 states and 19480 transitions. Word has length 3 [2020-10-05 23:28:15,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:15,536 INFO L479 AbstractCegarLoop]: Abstraction has 4862 states and 19480 transitions. [2020-10-05 23:28:15,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:28:15,536 INFO L276 IsEmpty]: Start isEmpty. Operand 4862 states and 19480 transitions. [2020-10-05 23:28:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:28:15,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:15,541 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:15,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:28:15,541 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:15,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:15,542 INFO L82 PathProgramCache]: Analyzing trace with hash 150479961, now seen corresponding path program 1 times [2020-10-05 23:28:15,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:15,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715470762] [2020-10-05 23:28:15,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:15,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715470762] [2020-10-05 23:28:15,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:15,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:28:15,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463652217] [2020-10-05 23:28:15,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:15,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:15,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:15,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:15,693 INFO L87 Difference]: Start difference. First operand 4862 states and 19480 transitions. Second operand 4 states. [2020-10-05 23:28:15,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:15,800 INFO L93 Difference]: Finished difference Result 5162 states and 20060 transitions. [2020-10-05 23:28:15,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:15,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 23:28:15,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:15,853 INFO L225 Difference]: With dead ends: 5162 [2020-10-05 23:28:15,853 INFO L226 Difference]: Without dead ends: 4262 [2020-10-05 23:28:15,854 INFO L675 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 [2020-10-05 23:28:15,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4262 states. [2020-10-05 23:28:16,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4262 to 4262. [2020-10-05 23:28:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4262 states. [2020-10-05 23:28:16,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4262 states to 4262 states and 16820 transitions. [2020-10-05 23:28:16,206 INFO L78 Accepts]: Start accepts. Automaton has 4262 states and 16820 transitions. Word has length 12 [2020-10-05 23:28:16,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:16,208 INFO L479 AbstractCegarLoop]: Abstraction has 4262 states and 16820 transitions. [2020-10-05 23:28:16,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:16,208 INFO L276 IsEmpty]: Start isEmpty. Operand 4262 states and 16820 transitions. [2020-10-05 23:28:16,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:28:16,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:16,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:16,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:28:16,213 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:16,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:16,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1972578473, now seen corresponding path program 1 times [2020-10-05 23:28:16,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:16,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788439318] [2020-10-05 23:28:16,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:16,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788439318] [2020-10-05 23:28:16,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:16,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:28:16,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651799957] [2020-10-05 23:28:16,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:16,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:16,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:16,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:16,294 INFO L87 Difference]: Start difference. First operand 4262 states and 16820 transitions. Second operand 4 states. [2020-10-05 23:28:16,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:16,371 INFO L93 Difference]: Finished difference Result 4462 states and 17190 transitions. [2020-10-05 23:28:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:16,372 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-05 23:28:16,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:16,407 INFO L225 Difference]: With dead ends: 4462 [2020-10-05 23:28:16,407 INFO L226 Difference]: Without dead ends: 3862 [2020-10-05 23:28:16,408 INFO L675 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 [2020-10-05 23:28:16,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2020-10-05 23:28:16,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3862. [2020-10-05 23:28:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2020-10-05 23:28:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 15080 transitions. [2020-10-05 23:28:16,583 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 15080 transitions. Word has length 14 [2020-10-05 23:28:16,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:16,584 INFO L479 AbstractCegarLoop]: Abstraction has 3862 states and 15080 transitions. [2020-10-05 23:28:16,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 15080 transitions. [2020-10-05 23:28:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:28:16,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:16,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:16,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:28:16,589 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:16,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:16,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1045009159, now seen corresponding path program 1 times [2020-10-05 23:28:16,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:16,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580488816] [2020-10-05 23:28:16,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:16,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580488816] [2020-10-05 23:28:16,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:16,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:28:16,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158892648] [2020-10-05 23:28:16,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:16,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:16,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:16,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:16,716 INFO L87 Difference]: Start difference. First operand 3862 states and 15080 transitions. Second operand 4 states. [2020-10-05 23:28:16,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:16,788 INFO L93 Difference]: Finished difference Result 3674 states and 12980 transitions. [2020-10-05 23:28:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:16,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-05 23:28:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:16,819 INFO L225 Difference]: With dead ends: 3674 [2020-10-05 23:28:16,820 INFO L226 Difference]: Without dead ends: 2774 [2020-10-05 23:28:16,820 INFO L675 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 [2020-10-05 23:28:16,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2020-10-05 23:28:16,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2774. [2020-10-05 23:28:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2774 states. [2020-10-05 23:28:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 9640 transitions. [2020-10-05 23:28:16,930 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 9640 transitions. Word has length 16 [2020-10-05 23:28:16,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:16,930 INFO L479 AbstractCegarLoop]: Abstraction has 2774 states and 9640 transitions. [2020-10-05 23:28:16,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:16,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 9640 transitions. [2020-10-05 23:28:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:28:16,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:16,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:16,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:28:16,936 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:16,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:16,936 INFO L82 PathProgramCache]: Analyzing trace with hash 901679624, now seen corresponding path program 1 times [2020-10-05 23:28:16,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:16,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655607364] [2020-10-05 23:28:16,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:17,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655607364] [2020-10-05 23:28:17,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:17,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:28:17,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392877441] [2020-10-05 23:28:17,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:28:17,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:17,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:28:17,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:28:17,085 INFO L87 Difference]: Start difference. First operand 2774 states and 9640 transitions. Second operand 5 states. [2020-10-05 23:28:17,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:17,230 INFO L93 Difference]: Finished difference Result 2218 states and 7116 transitions. [2020-10-05 23:28:17,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:28:17,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-05 23:28:17,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:17,239 INFO L225 Difference]: With dead ends: 2218 [2020-10-05 23:28:17,239 INFO L226 Difference]: Without dead ends: 1718 [2020-10-05 23:28:17,239 INFO L675 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 [2020-10-05 23:28:17,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2020-10-05 23:28:17,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1718. [2020-10-05 23:28:17,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2020-10-05 23:28:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 5416 transitions. [2020-10-05 23:28:17,307 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 5416 transitions. Word has length 19 [2020-10-05 23:28:17,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:17,307 INFO L479 AbstractCegarLoop]: Abstraction has 1718 states and 5416 transitions. [2020-10-05 23:28:17,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:28:17,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 5416 transitions. [2020-10-05 23:28:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-05 23:28:17,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:17,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:17,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:28:17,316 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:17,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:17,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1708469210, now seen corresponding path program 1 times [2020-10-05 23:28:17,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:17,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100322860] [2020-10-05 23:28:17,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:17,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100322860] [2020-10-05 23:28:17,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:17,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:28:17,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784630842] [2020-10-05 23:28:17,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:28:17,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:17,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:28:17,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:28:17,542 INFO L87 Difference]: Start difference. First operand 1718 states and 5416 transitions. Second operand 6 states. [2020-10-05 23:28:17,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:17,615 INFO L93 Difference]: Finished difference Result 1470 states and 4633 transitions. [2020-10-05 23:28:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:28:17,616 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-05 23:28:17,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:17,621 INFO L225 Difference]: With dead ends: 1470 [2020-10-05 23:28:17,621 INFO L226 Difference]: Without dead ends: 1330 [2020-10-05 23:28:17,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:28:17,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2020-10-05 23:28:17,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1330. [2020-10-05 23:28:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-10-05 23:28:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 4252 transitions. [2020-10-05 23:28:17,660 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 4252 transitions. Word has length 22 [2020-10-05 23:28:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:17,661 INFO L479 AbstractCegarLoop]: Abstraction has 1330 states and 4252 transitions. [2020-10-05 23:28:17,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:28:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 4252 transitions. [2020-10-05 23:28:17,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-05 23:28:17,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:17,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:17,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:28:17,666 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:17,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:17,666 INFO L82 PathProgramCache]: Analyzing trace with hash -431256065, now seen corresponding path program 1 times [2020-10-05 23:28:17,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:17,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135313726] [2020-10-05 23:28:17,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:17,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135313726] [2020-10-05 23:28:17,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:17,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:28:17,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250239316] [2020-10-05 23:28:17,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:28:17,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:17,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:28:17,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:28:17,747 INFO L87 Difference]: Start difference. First operand 1330 states and 4252 transitions. Second operand 4 states. [2020-10-05 23:28:17,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:17,776 INFO L93 Difference]: Finished difference Result 1981 states and 6231 transitions. [2020-10-05 23:28:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:28:17,776 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-05 23:28:17,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:17,781 INFO L225 Difference]: With dead ends: 1981 [2020-10-05 23:28:17,782 INFO L226 Difference]: Without dead ends: 1336 [2020-10-05 23:28:17,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:28:17,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2020-10-05 23:28:17,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1330. [2020-10-05 23:28:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-10-05 23:28:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 4050 transitions. [2020-10-05 23:28:17,821 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 4050 transitions. Word has length 26 [2020-10-05 23:28:17,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:17,822 INFO L479 AbstractCegarLoop]: Abstraction has 1330 states and 4050 transitions. [2020-10-05 23:28:17,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:28:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 4050 transitions. [2020-10-05 23:28:17,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-05 23:28:17,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:17,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:17,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:28:17,827 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:17,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:17,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1946751201, now seen corresponding path program 1 times [2020-10-05 23:28:17,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:17,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674946000] [2020-10-05 23:28:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:17,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674946000] [2020-10-05 23:28:17,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:17,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:28:17,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251987990] [2020-10-05 23:28:17,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:28:17,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:17,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:28:17,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:28:17,991 INFO L87 Difference]: Start difference. First operand 1330 states and 4050 transitions. Second operand 7 states. [2020-10-05 23:28:18,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:18,071 INFO L93 Difference]: Finished difference Result 1285 states and 3959 transitions. [2020-10-05 23:28:18,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 23:28:18,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-05 23:28:18,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:18,075 INFO L225 Difference]: With dead ends: 1285 [2020-10-05 23:28:18,075 INFO L226 Difference]: Without dead ends: 866 [2020-10-05 23:28:18,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:28:18,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-10-05 23:28:18,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2020-10-05 23:28:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2020-10-05 23:28:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 2654 transitions. [2020-10-05 23:28:18,103 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 2654 transitions. Word has length 26 [2020-10-05 23:28:18,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:18,105 INFO L479 AbstractCegarLoop]: Abstraction has 866 states and 2654 transitions. [2020-10-05 23:28:18,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:28:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2654 transitions. [2020-10-05 23:28:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-05 23:28:18,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:18,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:18,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:28:18,109 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:18,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:18,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1161354370, now seen corresponding path program 1 times [2020-10-05 23:28:18,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:18,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888994863] [2020-10-05 23:28:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:18,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888994863] [2020-10-05 23:28:18,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:18,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:28:18,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658400760] [2020-10-05 23:28:18,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:28:18,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:18,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:28:18,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:28:18,255 INFO L87 Difference]: Start difference. First operand 866 states and 2654 transitions. Second operand 5 states. [2020-10-05 23:28:18,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:18,288 INFO L93 Difference]: Finished difference Result 1349 states and 4090 transitions. [2020-10-05 23:28:18,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:18,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-05 23:28:18,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:18,291 INFO L225 Difference]: With dead ends: 1349 [2020-10-05 23:28:18,291 INFO L226 Difference]: Without dead ends: 546 [2020-10-05 23:28:18,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:28:18,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2020-10-05 23:28:18,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2020-10-05 23:28:18,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-10-05 23:28:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 1572 transitions. [2020-10-05 23:28:18,311 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 1572 transitions. Word has length 30 [2020-10-05 23:28:18,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:18,312 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 1572 transitions. [2020-10-05 23:28:18,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:28:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 1572 transitions. [2020-10-05 23:28:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-05 23:28:18,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:18,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:18,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:28:18,319 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:18,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:18,320 INFO L82 PathProgramCache]: Analyzing trace with hash 364370464, now seen corresponding path program 2 times [2020-10-05 23:28:18,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:18,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806223547] [2020-10-05 23:28:18,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:18,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806223547] [2020-10-05 23:28:18,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:18,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:28:18,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491793802] [2020-10-05 23:28:18,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:28:18,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:18,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:28:18,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:28:18,469 INFO L87 Difference]: Start difference. First operand 546 states and 1572 transitions. Second operand 5 states. [2020-10-05 23:28:18,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:18,503 INFO L93 Difference]: Finished difference Result 684 states and 1953 transitions. [2020-10-05 23:28:18,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:28:18,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-05 23:28:18,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:18,505 INFO L225 Difference]: With dead ends: 684 [2020-10-05 23:28:18,506 INFO L226 Difference]: Without dead ends: 371 [2020-10-05 23:28:18,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:28:18,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-10-05 23:28:18,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2020-10-05 23:28:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-10-05 23:28:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 1022 transitions. [2020-10-05 23:28:18,517 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 1022 transitions. Word has length 30 [2020-10-05 23:28:18,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:18,517 INFO L479 AbstractCegarLoop]: Abstraction has 371 states and 1022 transitions. [2020-10-05 23:28:18,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:28:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 1022 transitions. [2020-10-05 23:28:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-05 23:28:18,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:18,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:18,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:28:18,519 INFO L427 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:18,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:18,520 INFO L82 PathProgramCache]: Analyzing trace with hash 679865246, now seen corresponding path program 3 times [2020-10-05 23:28:18,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:18,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306582173] [2020-10-05 23:28:18,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:28:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:28:18,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306582173] [2020-10-05 23:28:18,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:28:18,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 23:28:18,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146017771] [2020-10-05 23:28:18,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:28:18,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:28:18,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:28:18,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:28:18,845 INFO L87 Difference]: Start difference. First operand 371 states and 1022 transitions. Second operand 9 states. [2020-10-05 23:28:19,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:28:19,150 INFO L93 Difference]: Finished difference Result 428 states and 1160 transitions. [2020-10-05 23:28:19,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 23:28:19,150 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-10-05 23:28:19,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:28:19,151 INFO L225 Difference]: With dead ends: 428 [2020-10-05 23:28:19,152 INFO L226 Difference]: Without dead ends: 191 [2020-10-05 23:28:19,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-05 23:28:19,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-10-05 23:28:19,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2020-10-05 23:28:19,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-05 23:28:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 446 transitions. [2020-10-05 23:28:19,159 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 446 transitions. Word has length 30 [2020-10-05 23:28:19,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:28:19,160 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 446 transitions. [2020-10-05 23:28:19,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:28:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 446 transitions. [2020-10-05 23:28:19,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-05 23:28:19,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:28:19,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:28:19,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-05 23:28:19,162 INFO L427 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:28:19,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:28:19,163 INFO L82 PathProgramCache]: Analyzing trace with hash -517267874, now seen corresponding path program 4 times [2020-10-05 23:28:19,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:28:19,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624819880] [2020-10-05 23:28:19,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:28:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:28:19,256 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:28:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:28:19,325 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:28:19,386 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:28:19,386 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:28:19,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-05 23:28:19,443 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,443 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,444 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,444 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,444 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,445 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,445 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,445 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,445 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,445 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,446 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,446 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,449 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,449 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,449 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,450 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,450 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,450 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,450 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,450 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,450 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,451 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,451 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,451 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,451 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,451 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,452 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,452 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,452 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,452 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,452 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,452 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,453 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,453 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,458 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,458 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,458 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,458 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,459 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,459 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,459 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,459 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,460 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,460 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,460 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,460 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,460 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,460 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,461 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,461 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,461 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,461 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,462 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,462 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,462 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,462 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,462 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,463 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,463 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,463 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,464 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,464 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,464 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,465 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,465 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,465 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,465 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,465 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,465 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,466 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,466 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,466 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,467 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,467 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,467 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,467 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,467 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,467 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,468 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,468 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,468 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:28:19,468 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:28:19,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:28:19 BasicIcfg [2020-10-05 23:28:19,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:28:19,567 INFO L168 Benchmark]: Toolchain (without parser) took 12120.43 ms. Allocated memory was 139.5 MB in the beginning and 434.1 MB in the end (delta: 294.6 MB). Free memory was 100.4 MB in the beginning and 251.7 MB in the end (delta: -151.3 MB). Peak memory consumption was 143.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:19,567 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 23:28:19,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 836.79 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 100.2 MB in the beginning and 153.8 MB in the end (delta: -53.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:19,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.63 ms. Allocated memory is still 201.3 MB. Free memory was 153.8 MB in the beginning and 150.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:19,569 INFO L168 Benchmark]: Boogie Preprocessor took 44.53 ms. Allocated memory is still 201.3 MB. Free memory was 150.6 MB in the beginning and 148.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:19,570 INFO L168 Benchmark]: RCFGBuilder took 2330.55 ms. Allocated memory was 201.3 MB in the beginning and 249.6 MB in the end (delta: 48.2 MB). Free memory was 148.0 MB in the beginning and 145.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:19,571 INFO L168 Benchmark]: TraceAbstraction took 8839.62 ms. Allocated memory was 249.6 MB in the beginning and 434.1 MB in the end (delta: 184.5 MB). Free memory was 145.1 MB in the beginning and 251.7 MB in the end (delta: -106.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:28:19,575 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 836.79 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 100.2 MB in the beginning and 153.8 MB in the end (delta: -53.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.63 ms. Allocated memory is still 201.3 MB. Free memory was 153.8 MB in the beginning and 150.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.53 ms. Allocated memory is still 201.3 MB. Free memory was 150.6 MB in the beginning and 148.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2330.55 ms. Allocated memory was 201.3 MB in the beginning and 249.6 MB in the end (delta: 48.2 MB). Free memory was 148.0 MB in the beginning and 145.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8839.62 ms. Allocated memory was 249.6 MB in the beginning and 434.1 MB in the end (delta: 184.5 MB). Free memory was 145.1 MB in the beginning and 251.7 MB in the end (delta: -106.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.0s, 126 ProgramPointsBefore, 50 ProgramPointsAfterwards, 115 TransitionsBefore, 38 TransitionsAfterwards, 2824 CoEnabledTransitionPairs, 8 FixpointIterations, 38 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 1353 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 9172 CheckedPairsTotal, 85 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p0_EAX = 0; [L703] 0 int __unbuffered_p2_EAX = 0; [L705] 0 int __unbuffered_p2_EBX = 0; [L707] 0 int __unbuffered_p3_EAX = 0; [L709] 0 int __unbuffered_p3_EBX = 0; [L711] 0 int a = 0; [L712] 0 _Bool a$flush_delayed; [L713] 0 int a$mem_tmp; [L714] 0 _Bool a$r_buff0_thd0; [L715] 0 _Bool a$r_buff0_thd1; [L716] 0 _Bool a$r_buff0_thd2; [L717] 0 _Bool a$r_buff0_thd3; [L718] 0 _Bool a$r_buff0_thd4; [L719] 0 _Bool a$r_buff1_thd0; [L720] 0 _Bool a$r_buff1_thd1; [L721] 0 _Bool a$r_buff1_thd2; [L722] 0 _Bool a$r_buff1_thd3; [L723] 0 _Bool a$r_buff1_thd4; [L724] 0 _Bool a$read_delayed; [L725] 0 int *a$read_delayed_var; [L726] 0 int a$w_buff0; [L727] 0 _Bool a$w_buff0_used; [L728] 0 int a$w_buff1; [L729] 0 _Bool a$w_buff1_used; [L730] 0 _Bool main$tmp_guard0; [L731] 0 _Bool main$tmp_guard1; [L733] 0 int x = 0; [L735] 0 int y = 0; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L860] 0 pthread_t t193; [L861] FCALL, FORK 0 pthread_create(&t193, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L862] 0 pthread_t t194; [L863] FCALL, FORK 0 pthread_create(&t194, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L864] 0 pthread_t t195; [L865] FCALL, FORK 0 pthread_create(&t195, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L866] 0 pthread_t t196; [L867] FCALL, FORK 0 pthread_create(&t196, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L743] 1 a$w_buff1 = a$w_buff0 [L744] 1 a$w_buff0 = 1 [L745] 1 a$w_buff1_used = a$w_buff0_used [L746] 1 a$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L748] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L749] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L750] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L751] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L752] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L753] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L756] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L773] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L776] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L793] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L796] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L799] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L802] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L802] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L803] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L803] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L804] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L804] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L805] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L805] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L806] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L809] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L811] 3 return 0; [L816] 4 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L819] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L822] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L823] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L824] 4 a$flush_delayed = weak$$choice2 [L825] 4 a$mem_tmp = a [L826] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L826] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1 [L826] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L826] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L827] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L827] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L828] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L828] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L828] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L828] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L829] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L829] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L829] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L829] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L830] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L830] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L831] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L831] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L831] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L831] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L831] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L832] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] 4 __unbuffered_p3_EBX = a [L834] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L834] 4 a = a$flush_delayed ? a$mem_tmp : a [L835] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=1, y=2, z=1] [L759] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L759] EXPR 1 a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a [L759] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L759] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L760] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L760] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L761] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L761] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L762] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L762] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L763] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L763] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L766] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L768] 1 return 0; [L779] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L779] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L780] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L780] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L781] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L781] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L782] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L783] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L783] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 2 return 0; [L838] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L838] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L838] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L838] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L839] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L840] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L840] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L841] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L842] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L845] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L847] 4 return 0; [L869] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L873] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L873] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L874] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L874] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L875] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L875] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L876] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L876] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L877] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L877] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L880] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=1, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.5s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 484 SDtfs, 616 SDslu, 1036 SDs, 0 SdLazy, 277 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7994occurred 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: 1.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 21334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...