/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/mix024_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:30:57,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:30:57,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:30:57,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:30:57,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:30:57,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:30:57,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:30:57,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:30:57,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:30:57,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:30:57,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:30:57,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:30:57,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:30:57,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:30:57,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:30:57,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:30:57,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:30:57,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:30:57,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:30:57,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:30:57,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:30:57,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:30:57,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:30:57,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:30:57,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:30:57,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:30:57,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:30:57,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:30:57,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:30:57,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:30:57,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:30:57,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:30:57,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:30:57,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:30:57,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:30:57,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:30:57,190 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 23:30:57,228 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:30:57,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:30:57,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:30:57,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:30:57,230 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:30:57,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:30:57,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:30:57,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:30:57,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:30:57,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:30:57,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:30:57,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:30:57,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:30:57,233 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:30:57,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:30:57,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:30:57,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:30:57,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:30:57,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:30:57,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:30:57,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:30:57,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:30:57,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:30:57,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:30:57,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:30:57,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:30:57,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:30:57,235 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:30:57,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:30:57,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:30:57,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:30:57,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:30:57,553 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:30:57,553 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:30:57,554 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix024_tso.oepc.i [2020-10-05 23:30:57,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da09a9d69/54c31957c02b440890f10774875c2be2/FLAGf6521a404 [2020-10-05 23:30:58,142 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:30:58,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_tso.oepc.i [2020-10-05 23:30:58,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da09a9d69/54c31957c02b440890f10774875c2be2/FLAGf6521a404 [2020-10-05 23:30:58,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da09a9d69/54c31957c02b440890f10774875c2be2 [2020-10-05 23:30:58,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:30:58,458 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:30:58,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:30:58,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:30:58,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:30:58,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:30:58" (1/1) ... [2020-10-05 23:30:58,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15101969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:58, skipping insertion in model container [2020-10-05 23:30:58,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:30:58" (1/1) ... [2020-10-05 23:30:58,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:30:58,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:30:59,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:30:59,161 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:30:59,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:30:59,342 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:30:59,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59 WrapperNode [2020-10-05 23:30:59,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:30:59,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:30:59,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:30:59,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:30:59,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (1/1) ... [2020-10-05 23:30:59,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (1/1) ... [2020-10-05 23:30:59,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:30:59,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:30:59,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:30:59,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:30:59,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (1/1) ... [2020-10-05 23:30:59,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (1/1) ... [2020-10-05 23:30:59,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (1/1) ... [2020-10-05 23:30:59,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (1/1) ... [2020-10-05 23:30:59,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (1/1) ... [2020-10-05 23:30:59,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (1/1) ... [2020-10-05 23:30:59,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (1/1) ... [2020-10-05 23:30:59,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:30:59,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:30:59,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:30:59,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:30:59,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (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 23:30:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:30:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:30:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:30:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:30:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:30:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:30:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:30:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:30:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:30:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:30:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:30:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:30:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:30:59,571 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 23:31:01,774 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:31:01,774 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:31:01,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:31:01 BoogieIcfgContainer [2020-10-05 23:31:01,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:31:01,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:31:01,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:31:01,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:31:01,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:30:58" (1/3) ... [2020-10-05 23:31:01,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cab289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:31:01, skipping insertion in model container [2020-10-05 23:31:01,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:59" (2/3) ... [2020-10-05 23:31:01,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cab289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:31:01, skipping insertion in model container [2020-10-05 23:31:01,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:31:01" (3/3) ... [2020-10-05 23:31:01,786 INFO L109 eAbstractionObserver]: Analyzing ICFG mix024_tso.oepc.i [2020-10-05 23:31:01,797 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:31:01,797 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:31:01,806 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:31:01,807 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:31:01,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,840 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,840 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,844 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,844 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,847 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,861 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,862 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,871 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,872 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,879 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,879 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,880 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,880 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:31:01,896 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-05 23:31:01,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:31:01,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:31:01,918 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:31:01,919 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:31:01,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:31:01,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:31:01,919 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:31:01,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:31:01,936 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 213 flow [2020-10-05 23:31:01,939 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2020-10-05 23:31:01,987 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2020-10-05 23:31:01,988 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:31:01,994 INFO L80 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-10-05 23:31:01,997 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2020-10-05 23:31:02,021 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2020-10-05 23:31:02,021 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:31:02,022 INFO L80 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-10-05 23:31:02,025 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1928 [2020-10-05 23:31:02,026 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:31:02,603 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:31:02,743 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-05 23:31:04,861 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-05 23:31:05,019 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-05 23:31:05,031 INFO L206 etLargeBlockEncoding]: Checked pairs total: 5181 [2020-10-05 23:31:05,031 INFO L214 etLargeBlockEncoding]: Total number of compositions: 82 [2020-10-05 23:31:05,035 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 73 flow [2020-10-05 23:31:05,127 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1136 states. [2020-10-05 23:31:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states. [2020-10-05 23:31:05,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-05 23:31:05,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:31:05,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-05 23:31:05,140 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:31:05,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:31:05,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1064854, now seen corresponding path program 1 times [2020-10-05 23:31:05,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:31:05,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941508779] [2020-10-05 23:31:05,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:31:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:31:05,453 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 23:31:05,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941508779] [2020-10-05 23:31:05,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:31:05,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:31:05,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883818207] [2020-10-05 23:31:05,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:31:05,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:31:05,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:31:05,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:31:05,486 INFO L87 Difference]: Start difference. First operand 1136 states. Second operand 3 states. [2020-10-05 23:31:05,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:31:05,574 INFO L93 Difference]: Finished difference Result 974 states and 3122 transitions. [2020-10-05 23:31:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:31:05,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-05 23:31:05,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:31:05,622 INFO L225 Difference]: With dead ends: 974 [2020-10-05 23:31:05,622 INFO L226 Difference]: Without dead ends: 794 [2020-10-05 23:31:05,624 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 23:31:05,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2020-10-05 23:31:05,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2020-10-05 23:31:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-10-05 23:31:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 2498 transitions. [2020-10-05 23:31:05,767 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 2498 transitions. Word has length 3 [2020-10-05 23:31:05,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:31:05,768 INFO L479 AbstractCegarLoop]: Abstraction has 794 states and 2498 transitions. [2020-10-05 23:31:05,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:31:05,768 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 2498 transitions. [2020-10-05 23:31:05,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:31:05,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:31:05,770 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:31:05,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:31:05,770 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:31:05,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:31:05,771 INFO L82 PathProgramCache]: Analyzing trace with hash 2071177859, now seen corresponding path program 1 times [2020-10-05 23:31:05,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:31:05,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22688550] [2020-10-05 23:31:05,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:31:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:31:05,867 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 23:31:05,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22688550] [2020-10-05 23:31:05,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:31:05,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:31:05,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316508590] [2020-10-05 23:31:05,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:31:05,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:31:05,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:31:05,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:31:05,871 INFO L87 Difference]: Start difference. First operand 794 states and 2498 transitions. Second operand 3 states. [2020-10-05 23:31:05,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:31:05,882 INFO L93 Difference]: Finished difference Result 734 states and 2280 transitions. [2020-10-05 23:31:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:31:05,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-05 23:31:05,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:31:05,889 INFO L225 Difference]: With dead ends: 734 [2020-10-05 23:31:05,889 INFO L226 Difference]: Without dead ends: 734 [2020-10-05 23:31:05,890 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 23:31:05,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2020-10-05 23:31:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2020-10-05 23:31:05,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-05 23:31:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 2280 transitions. [2020-10-05 23:31:05,916 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 2280 transitions. Word has length 9 [2020-10-05 23:31:05,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:31:05,917 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 2280 transitions. [2020-10-05 23:31:05,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:31:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2280 transitions. [2020-10-05 23:31:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:31:05,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:31:05,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:31:05,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:31:05,920 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:31:05,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:31:05,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1781673778, now seen corresponding path program 1 times [2020-10-05 23:31:05,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:31:05,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282753190] [2020-10-05 23:31:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:31:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:31:06,021 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 23:31:06,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282753190] [2020-10-05 23:31:06,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:31:06,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:31:06,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537417933] [2020-10-05 23:31:06,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:31:06,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:31:06,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:31:06,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:31:06,024 INFO L87 Difference]: Start difference. First operand 734 states and 2280 transitions. Second operand 3 states. [2020-10-05 23:31:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:31:06,054 INFO L93 Difference]: Finished difference Result 694 states and 2138 transitions. [2020-10-05 23:31:06,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:31:06,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-05 23:31:06,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:31:06,061 INFO L225 Difference]: With dead ends: 694 [2020-10-05 23:31:06,061 INFO L226 Difference]: Without dead ends: 694 [2020-10-05 23:31:06,062 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 23:31:06,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-10-05 23:31:06,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 694. [2020-10-05 23:31:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-10-05 23:31:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 2138 transitions. [2020-10-05 23:31:06,090 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 2138 transitions. Word has length 11 [2020-10-05 23:31:06,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:31:06,091 INFO L479 AbstractCegarLoop]: Abstraction has 694 states and 2138 transitions. [2020-10-05 23:31:06,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:31:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2138 transitions. [2020-10-05 23:31:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:31:06,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:31:06,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:31:06,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:31:06,099 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:31:06,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:31:06,099 INFO L82 PathProgramCache]: Analyzing trace with hash 881233380, now seen corresponding path program 1 times [2020-10-05 23:31:06,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:31:06,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610617748] [2020-10-05 23:31:06,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:31:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:31:06,281 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 23:31:06,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610617748] [2020-10-05 23:31:06,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:31:06,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:31:06,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21546067] [2020-10-05 23:31:06,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:31:06,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:31:06,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:31:06,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:31:06,284 INFO L87 Difference]: Start difference. First operand 694 states and 2138 transitions. Second operand 4 states. [2020-10-05 23:31:06,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:31:06,327 INFO L93 Difference]: Finished difference Result 638 states and 1738 transitions. [2020-10-05 23:31:06,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:31:06,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-05 23:31:06,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:31:06,332 INFO L225 Difference]: With dead ends: 638 [2020-10-05 23:31:06,332 INFO L226 Difference]: Without dead ends: 458 [2020-10-05 23:31:06,332 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 23:31:06,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-10-05 23:31:06,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2020-10-05 23:31:06,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-05 23:31:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1194 transitions. [2020-10-05 23:31:06,346 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1194 transitions. Word has length 13 [2020-10-05 23:31:06,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:31:06,346 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 1194 transitions. [2020-10-05 23:31:06,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:31:06,346 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1194 transitions. [2020-10-05 23:31:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:31:06,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:31:06,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:31:06,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:31:06,348 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:31:06,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:31:06,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1127431548, now seen corresponding path program 1 times [2020-10-05 23:31:06,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:31:06,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184819399] [2020-10-05 23:31:06,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:31:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:31:06,436 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 23:31:06,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184819399] [2020-10-05 23:31:06,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:31:06,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:31:06,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466781183] [2020-10-05 23:31:06,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:31:06,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:31:06,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:31:06,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:31:06,439 INFO L87 Difference]: Start difference. First operand 458 states and 1194 transitions. Second operand 5 states. [2020-10-05 23:31:06,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:31:06,493 INFO L93 Difference]: Finished difference Result 375 states and 914 transitions. [2020-10-05 23:31:06,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:31:06,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-05 23:31:06,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:31:06,496 INFO L225 Difference]: With dead ends: 375 [2020-10-05 23:31:06,496 INFO L226 Difference]: Without dead ends: 295 [2020-10-05 23:31:06,497 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 23:31:06,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-05 23:31:06,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2020-10-05 23:31:06,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-05 23:31:06,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 705 transitions. [2020-10-05 23:31:06,505 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 705 transitions. Word has length 16 [2020-10-05 23:31:06,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:31:06,506 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 705 transitions. [2020-10-05 23:31:06,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:31:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 705 transitions. [2020-10-05 23:31:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:31:06,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:31:06,507 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 23:31:06,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:31:06,507 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:31:06,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:31:06,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1292002426, now seen corresponding path program 1 times [2020-10-05 23:31:06,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:31:06,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374485037] [2020-10-05 23:31:06,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:31:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:31:06,733 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 23:31:06,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374485037] [2020-10-05 23:31:06,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:31:06,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:31:06,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076836008] [2020-10-05 23:31:06,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:31:06,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:31:06,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:31:06,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:31:06,736 INFO L87 Difference]: Start difference. First operand 295 states and 705 transitions. Second operand 6 states. [2020-10-05 23:31:06,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:31:06,911 INFO L93 Difference]: Finished difference Result 458 states and 1045 transitions. [2020-10-05 23:31:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:31:06,912 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-05 23:31:06,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:31:06,915 INFO L225 Difference]: With dead ends: 458 [2020-10-05 23:31:06,916 INFO L226 Difference]: Without dead ends: 395 [2020-10-05 23:31:06,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 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 23:31:06,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-10-05 23:31:06,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 348. [2020-10-05 23:31:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-10-05 23:31:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 818 transitions. [2020-10-05 23:31:06,928 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 818 transitions. Word has length 19 [2020-10-05 23:31:06,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:31:06,929 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 818 transitions. [2020-10-05 23:31:06,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:31:06,929 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 818 transitions. [2020-10-05 23:31:06,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:31:06,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:31:06,931 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 23:31:06,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:31:06,931 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:31:06,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:31:06,932 INFO L82 PathProgramCache]: Analyzing trace with hash -690337944, now seen corresponding path program 2 times [2020-10-05 23:31:06,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:31:06,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186631683] [2020-10-05 23:31:06,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:31:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:31:07,078 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 23:31:07,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186631683] [2020-10-05 23:31:07,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:31:07,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:31:07,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289581601] [2020-10-05 23:31:07,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:31:07,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:31:07,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:31:07,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:31:07,081 INFO L87 Difference]: Start difference. First operand 348 states and 818 transitions. Second operand 6 states. [2020-10-05 23:31:07,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:31:07,136 INFO L93 Difference]: Finished difference Result 325 states and 767 transitions. [2020-10-05 23:31:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:31:07,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-05 23:31:07,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:31:07,139 INFO L225 Difference]: With dead ends: 325 [2020-10-05 23:31:07,139 INFO L226 Difference]: Without dead ends: 287 [2020-10-05 23:31:07,140 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 23:31:07,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-05 23:31:07,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2020-10-05 23:31:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-10-05 23:31:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 688 transitions. [2020-10-05 23:31:07,148 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 688 transitions. Word has length 19 [2020-10-05 23:31:07,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:31:07,149 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 688 transitions. [2020-10-05 23:31:07,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:31:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 688 transitions. [2020-10-05 23:31:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:31:07,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:31:07,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:31:07,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:31:07,151 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:31:07,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:31:07,151 INFO L82 PathProgramCache]: Analyzing trace with hash -204683042, now seen corresponding path program 1 times [2020-10-05 23:31:07,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:31:07,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601208102] [2020-10-05 23:31:07,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:31:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:31:07,200 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 23:31:07,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601208102] [2020-10-05 23:31:07,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:31:07,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:31:07,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822154899] [2020-10-05 23:31:07,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:31:07,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:31:07,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:31:07,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:31:07,203 INFO L87 Difference]: Start difference. First operand 287 states and 688 transitions. Second operand 3 states. [2020-10-05 23:31:07,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:31:07,215 INFO L93 Difference]: Finished difference Result 391 states and 921 transitions. [2020-10-05 23:31:07,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:31:07,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-10-05 23:31:07,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:31:07,217 INFO L225 Difference]: With dead ends: 391 [2020-10-05 23:31:07,217 INFO L226 Difference]: Without dead ends: 227 [2020-10-05 23:31:07,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 23:31:07,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-05 23:31:07,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-10-05 23:31:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-05 23:31:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 522 transitions. [2020-10-05 23:31:07,224 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 522 transitions. Word has length 23 [2020-10-05 23:31:07,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:31:07,224 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 522 transitions. [2020-10-05 23:31:07,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:31:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 522 transitions. [2020-10-05 23:31:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:31:07,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:31:07,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:31:07,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:31:07,226 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:31:07,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:31:07,227 INFO L82 PathProgramCache]: Analyzing trace with hash -697099428, now seen corresponding path program 2 times [2020-10-05 23:31:07,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:31:07,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844369404] [2020-10-05 23:31:07,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:31:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:31:07,518 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 23:31:07,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844369404] [2020-10-05 23:31:07,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:31:07,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 23:31:07,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974941110] [2020-10-05 23:31:07,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:31:07,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:31:07,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:31:07,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:31:07,521 INFO L87 Difference]: Start difference. First operand 227 states and 522 transitions. Second operand 9 states. [2020-10-05 23:31:07,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:31:07,778 INFO L93 Difference]: Finished difference Result 294 states and 646 transitions. [2020-10-05 23:31:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:31:07,782 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-05 23:31:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:31:07,784 INFO L225 Difference]: With dead ends: 294 [2020-10-05 23:31:07,785 INFO L226 Difference]: Without dead ends: 234 [2020-10-05 23:31:07,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-05 23:31:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-10-05 23:31:07,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 201. [2020-10-05 23:31:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-05 23:31:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 454 transitions. [2020-10-05 23:31:07,792 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 454 transitions. Word has length 23 [2020-10-05 23:31:07,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:31:07,792 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 454 transitions. [2020-10-05 23:31:07,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:31:07,792 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 454 transitions. [2020-10-05 23:31:07,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:31:07,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:31:07,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:31:07,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:31:07,794 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:31:07,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:31:07,794 INFO L82 PathProgramCache]: Analyzing trace with hash -91598530, now seen corresponding path program 3 times [2020-10-05 23:31:07,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:31:07,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897152875] [2020-10-05 23:31:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:31:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:31:07,846 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:31:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:31:07,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:31:07,945 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:31:07,945 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:31:07,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:31:07,946 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 23:31:07,971 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [1031] [1031] L846-->L853: Formula: (let ((.cse9 (= (mod ~a$r_buff1_thd0~0_In-1406432912 256) 0)) (.cse8 (= (mod ~a$w_buff1_used~0_In-1406432912 256) 0)) (.cse6 (= (mod ~a$r_buff0_thd0~0_In-1406432912 256) 0)) (.cse7 (= (mod ~a$w_buff0_used~0_In-1406432912 256) 0))) (let ((.cse4 (not .cse7)) (.cse5 (not .cse6)) (.cse0 (not .cse8)) (.cse1 (not .cse9)) (.cse2 (or .cse8 .cse9)) (.cse3 (or .cse6 .cse7))) (and (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1406432912 |ULTIMATE.start_assume_abort_if_not_#in~cond_In-1406432912|) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1406432912 0)) (= ~a$r_buff0_thd0~0_Out-1406432912 ~a$r_buff0_thd0~0_In-1406432912) (or (and (= ~a$w_buff1_used~0_Out-1406432912 0) .cse0 .cse1) (and (= ~a$w_buff1_used~0_Out-1406432912 ~a$w_buff1_used~0_In-1406432912) .cse2)) (= ~a$r_buff1_thd0~0_In-1406432912 ~a$r_buff1_thd0~0_Out-1406432912) (or (and (= ~a$w_buff0_used~0_Out-1406432912 ~a$w_buff0_used~0_In-1406432912) .cse3) (and (= ~a$w_buff0_used~0_Out-1406432912 0) .cse4 .cse5)) (or (and .cse4 .cse5 (= ~a$w_buff0~0_In-1406432912 ~a~0_Out-1406432912)) (and (or (and (= ~a$w_buff1~0_In-1406432912 ~a~0_Out-1406432912) .cse0 .cse1) (and (= ~a~0_Out-1406432912 ~a~0_In-1406432912) .cse2)) .cse3))))) InVars {~a~0=~a~0_In-1406432912, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1406432912|, ~a$w_buff1~0=~a$w_buff1~0_In-1406432912, ~a$w_buff0~0=~a$w_buff0~0_In-1406432912, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-1406432912, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-1406432912, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-1406432912, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-1406432912} OutVars{ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out-1406432912|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out-1406432912, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out-1406432912|, ULTIMATE.start_main_#t~ite49=|ULTIMATE.start_main_#t~ite49_Out-1406432912|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out-1406432912, ULTIMATE.start_main_#t~ite48=|ULTIMATE.start_main_#t~ite48_Out-1406432912|, ULTIMATE.start_main_#t~ite50=|ULTIMATE.start_main_#t~ite50_Out-1406432912|, ~a~0=~a~0_Out-1406432912, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1406432912|, ULTIMATE.start_main_#t~ite51=|ULTIMATE.start_main_#t~ite51_Out-1406432912|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1406432912, ~a$w_buff1~0=~a$w_buff1~0_In-1406432912, ~a$w_buff0~0=~a$w_buff0~0_In-1406432912, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out-1406432912, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out-1406432912} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite50, ~a~0, ULTIMATE.start_main_#t~ite51, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite47, ~a$r_buff1_thd0~0, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite49, ~a$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite48, ~a$w_buff1_used~0] because there is no mapped edge [2020-10-05 23:31:07,980 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 23:31:07,980 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,986 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 23:31:07,986 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,986 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 23:31:07,986 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,987 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 23:31:07,987 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,987 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 23:31:07,987 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,988 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 23:31:07,988 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,988 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 23:31:07,988 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,988 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 23:31:07,989 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,989 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 23:31:07,989 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,989 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 23:31:07,989 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,990 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 23:31:07,990 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,990 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 23:31:07,990 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,990 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 23:31:07,990 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,990 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 23:31:07,990 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,991 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 23:31:07,991 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,991 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 23:31:07,991 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,991 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 23:31:07,991 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,992 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 23:31:07,992 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,992 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 23:31:07,993 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,997 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 23:31:07,997 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,997 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 23:31:07,997 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,998 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 23:31:07,998 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,998 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 23:31:07,998 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,998 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 23:31:07,998 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,998 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 23:31:07,998 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,998 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 23:31:07,998 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,999 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 23:31:07,999 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,999 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 23:31:07,999 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,999 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 23:31:07,999 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,999 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 23:31:07,999 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:07,999 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 23:31:08,000 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:08,000 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 23:31:08,000 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:31:08,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:31:08 BasicIcfg [2020-10-05 23:31:08,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:31:08,071 INFO L168 Benchmark]: Toolchain (without parser) took 9612.34 ms. Allocated memory was 146.8 MB in the beginning and 325.6 MB in the end (delta: 178.8 MB). Free memory was 100.9 MB in the beginning and 229.6 MB in the end (delta: -128.7 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:31:08,071 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 23:31:08,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 884.26 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 100.7 MB in the beginning and 154.4 MB in the end (delta: -53.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:31:08,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.90 ms. Allocated memory is still 203.4 MB. Free memory was 154.4 MB in the beginning and 151.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:31:08,074 INFO L168 Benchmark]: Boogie Preprocessor took 72.18 ms. Allocated memory is still 203.4 MB. Free memory was 151.6 MB in the beginning and 149.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:31:08,074 INFO L168 Benchmark]: RCFGBuilder took 2283.32 ms. Allocated memory was 203.4 MB in the beginning and 245.4 MB in the end (delta: 41.9 MB). Free memory was 149.0 MB in the beginning and 160.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 98.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:31:08,075 INFO L168 Benchmark]: TraceAbstraction took 6290.54 ms. Allocated memory was 245.4 MB in the beginning and 325.6 MB in the end (delta: 80.2 MB). Free memory was 160.2 MB in the beginning and 229.6 MB in the end (delta: -69.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:31:08,079 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 884.26 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 100.7 MB in the beginning and 154.4 MB in the end (delta: -53.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.90 ms. Allocated memory is still 203.4 MB. Free memory was 154.4 MB in the beginning and 151.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.18 ms. Allocated memory is still 203.4 MB. Free memory was 151.6 MB in the beginning and 149.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2283.32 ms. Allocated memory was 203.4 MB in the beginning and 245.4 MB in the end (delta: 41.9 MB). Free memory was 149.0 MB in the beginning and 160.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 98.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6290.54 ms. Allocated memory was 245.4 MB in the beginning and 325.6 MB in the end (delta: 80.2 MB). Free memory was 160.2 MB in the beginning and 229.6 MB in the end (delta: -69.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.0s, 107 ProgramPointsBefore, 38 ProgramPointsAfterwards, 99 TransitionsBefore, 29 TransitionsAfterwards, 1928 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 1082 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 5181 CheckedPairsTotal, 82 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p0_EBX = 0; [L704] 0 int __unbuffered_p2_EAX = 0; [L706] 0 int __unbuffered_p2_EBX = 0; [L708] 0 int a = 0; [L709] 0 _Bool a$flush_delayed; [L710] 0 int a$mem_tmp; [L711] 0 _Bool a$r_buff0_thd0; [L712] 0 _Bool a$r_buff0_thd1; [L713] 0 _Bool a$r_buff0_thd2; [L714] 0 _Bool a$r_buff0_thd3; [L715] 0 _Bool a$r_buff1_thd0; [L716] 0 _Bool a$r_buff1_thd1; [L717] 0 _Bool a$r_buff1_thd2; [L718] 0 _Bool a$r_buff1_thd3; [L719] 0 _Bool a$read_delayed; [L720] 0 int *a$read_delayed_var; [L721] 0 int a$w_buff0; [L722] 0 _Bool a$w_buff0_used; [L723] 0 int a$w_buff1; [L724] 0 _Bool a$w_buff1_used; [L725] 0 _Bool main$tmp_guard0; [L726] 0 _Bool main$tmp_guard1; [L728] 0 int x = 0; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L837] 0 pthread_t t651; [L838] FCALL, FORK 0 pthread_create(&t651, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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] [L839] 0 pthread_t t652; [L738] 1 a$w_buff1 = a$w_buff0 [L739] 1 a$w_buff0 = 1 [L740] 1 a$w_buff1_used = a$w_buff0_used [L741] 1 a$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L743] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L744] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L745] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L746] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L747] 1 a$r_buff0_thd1 = (_Bool)1 [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$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_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L753] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L756] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L840] FCALL, FORK 0 pthread_create(&t652, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L841] 0 pthread_t t653; [L842] FCALL, FORK 0 pthread_create(&t653, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=1, y=1, z=0] [L776] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=1, y=1, z=1] [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 [L793] 3 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=2] [L796] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=2] [L799] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L800] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L801] 3 a$flush_delayed = weak$$choice2 [L802] 3 a$mem_tmp = a [L803] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L803] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1 [L803] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L803] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L804] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L804] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L804] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L804] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L805] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L805] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L806] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L806] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used) [L806] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L806] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L807] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L807] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L808] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L809] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L809] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L809] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 __unbuffered_p2_EBX = a [L811] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L811] 3 a = a$flush_delayed ? a$mem_tmp : a [L812] 3 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, y=1, z=2] [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 2 return 0; [L815] 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) [L815] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L815] 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) [L815] 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) [L816] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L816] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L817] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L817] 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 [L818] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L818] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L819] 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 [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; [L822] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L824] 3 return 0; [L844] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L855] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_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_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.0s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 279 SDtfs, 271 SDslu, 584 SDs, 0 SdLazy, 253 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 80 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 17325 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...