/usr/bin/java -Xmx16000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 18:00:21,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 18:00:21,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 18:00:21,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 18:00:21,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 18:00:21,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 18:00:21,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 18:00:21,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 18:00:21,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 18:00:21,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 18:00:21,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 18:00:21,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 18:00:21,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 18:00:21,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 18:00:21,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 18:00:21,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 18:00:21,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 18:00:21,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 18:00:21,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 18:00:21,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 18:00:21,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 18:00:21,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 18:00:21,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 18:00:21,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 18:00:21,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 18:00:21,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 18:00:21,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 18:00:21,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 18:00:21,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 18:00:21,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 18:00:21,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 18:00:21,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 18:00:21,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 18:00:21,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 18:00:21,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 18:00:21,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 18:00:21,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 18:00:21,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 18:00:21,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 18:00:21,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 18:00:21,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 18:00:21,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 18:00:21,945 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 18:00:21,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 18:00:21,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 18:00:21,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 18:00:21,947 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 18:00:21,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 18:00:21,947 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 18:00:21,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 18:00:21,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 18:00:21,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 18:00:21,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 18:00:21,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 18:00:21,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 18:00:21,949 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 18:00:21,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 18:00:21,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 18:00:21,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 18:00:21,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 18:00:21,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 18:00:21,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 18:00:21,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 18:00:21,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 18:00:21,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 18:00:21,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 18:00:21,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 18:00:21,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 18:00:21,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 18:00:21,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 18:00:21,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 18:00:21,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 18:00:22,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 18:00:22,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 18:00:22,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 18:00:22,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 18:00:22,250 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 18:00:22,251 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2020-10-15 18:00:22,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d3f7cf9/9a8ca0bce6ba49d28273a14539576dc8/FLAGa9c64c2f0 [2020-10-15 18:00:22,785 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 18:00:22,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2020-10-15 18:00:22,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d3f7cf9/9a8ca0bce6ba49d28273a14539576dc8/FLAGa9c64c2f0 [2020-10-15 18:00:23,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82d3f7cf9/9a8ca0bce6ba49d28273a14539576dc8 [2020-10-15 18:00:23,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 18:00:23,124 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 18:00:23,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 18:00:23,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 18:00:23,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 18:00:23,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5e9517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23, skipping insertion in model container [2020-10-15 18:00:23,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 18:00:23,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 18:00:23,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:00:23,606 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 18:00:23,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:00:23,731 INFO L208 MainTranslator]: Completed translation [2020-10-15 18:00:23,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23 WrapperNode [2020-10-15 18:00:23,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 18:00:23,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 18:00:23,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 18:00:23,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 18:00:23,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 18:00:23,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 18:00:23,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 18:00:23,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 18:00:23,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (1/1) ... [2020-10-15 18:00:23,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 18:00:23,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 18:00:23,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 18:00:23,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 18:00:23,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (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 [2020-10-15 18:00:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 18:00:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-15 18:00:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-15 18:00:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 18:00:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 18:00:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 18:00:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 18:00:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 18:00:23,880 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 18:00:24,365 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 18:00:24,366 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-15 18:00:24,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:00:24 BoogieIcfgContainer [2020-10-15 18:00:24,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 18:00:24,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 18:00:24,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 18:00:24,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 18:00:24,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:00:23" (1/3) ... [2020-10-15 18:00:24,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f450df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:00:24, skipping insertion in model container [2020-10-15 18:00:24,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:00:23" (2/3) ... [2020-10-15 18:00:24,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f450df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:00:24, skipping insertion in model container [2020-10-15 18:00:24,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:00:24" (3/3) ... [2020-10-15 18:00:24,382 INFO L111 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs.i [2020-10-15 18:00:24,393 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 18:00:24,394 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 18:00:24,402 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 18:00:24,403 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 18:00:24,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:24,480 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-15 18:00:24,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:00:24,499 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:00:24,499 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:00:24,499 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:00:24,500 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:00:24,500 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:00:24,500 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:00:24,500 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:00:24,513 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:00:24,516 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 72 transitions, 149 flow [2020-10-15 18:00:24,518 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 72 transitions, 149 flow [2020-10-15 18:00:24,520 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 68 places, 72 transitions, 149 flow [2020-10-15 18:00:24,571 INFO L129 PetriNetUnfolder]: 11/110 cut-off events. [2020-10-15 18:00:24,572 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 18:00:24,578 INFO L80 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 110 events. 11/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 253 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 61. Up to 4 conditions per place. [2020-10-15 18:00:24,582 INFO L117 LiptonReduction]: Number of co-enabled transitions 1760 [2020-10-15 18:00:25,748 INFO L132 LiptonReduction]: Checked pairs total: 4034 [2020-10-15 18:00:25,748 INFO L134 LiptonReduction]: Total number of compositions: 48 [2020-10-15 18:00:25,754 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 33 transitions, 71 flow [2020-10-15 18:00:25,772 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 207 states. [2020-10-15 18:00:25,775 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-15 18:00:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-15 18:00:25,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:00:25,781 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-15 18:00:25,782 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:00:25,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:00:25,787 INFO L82 PathProgramCache]: Analyzing trace with hash 10741202, now seen corresponding path program 1 times [2020-10-15 18:00:25,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:00:25,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564246660] [2020-10-15 18:00:25,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:00:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:00:25,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:00:25,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564246660] [2020-10-15 18:00:25,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:00:25,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:00:25,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996139982] [2020-10-15 18:00:25,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 18:00:25,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:00:25,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 18:00:25,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 18:00:25,987 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 2 states. [2020-10-15 18:00:26,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:00:26,012 INFO L93 Difference]: Finished difference Result 207 states and 400 transitions. [2020-10-15 18:00:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 18:00:26,013 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-15 18:00:26,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:00:26,026 INFO L225 Difference]: With dead ends: 207 [2020-10-15 18:00:26,027 INFO L226 Difference]: Without dead ends: 171 [2020-10-15 18:00:26,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 18:00:26,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-15 18:00:26,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-10-15 18:00:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-15 18:00:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 334 transitions. [2020-10-15 18:00:26,083 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 334 transitions. Word has length 4 [2020-10-15 18:00:26,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:00:26,083 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 334 transitions. [2020-10-15 18:00:26,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 18:00:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 334 transitions. [2020-10-15 18:00:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 18:00:26,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:00:26,085 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-15 18:00:26,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 18:00:26,085 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:00:26,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:00:26,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1721177519, now seen corresponding path program 1 times [2020-10-15 18:00:26,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:00:26,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3953231] [2020-10-15 18:00:26,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:00:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:00:26,111 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:00:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:00:26,124 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:00:26,144 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 18:00:26,144 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 18:00:26,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 18:00:26,146 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 18:00:26,147 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-15 18:00:26,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,157 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,157 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,174 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,175 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,176 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,177 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:26,178 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 18:00:26,179 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:00:26,179 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:00:26,179 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:00:26,179 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:00:26,179 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:00:26,179 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:00:26,179 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:00:26,179 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:00:26,182 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:00:26,182 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 95 transitions, 202 flow [2020-10-15 18:00:26,182 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 95 transitions, 202 flow [2020-10-15 18:00:26,182 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 95 transitions, 202 flow [2020-10-15 18:00:26,216 INFO L129 PetriNetUnfolder]: 18/172 cut-off events. [2020-10-15 18:00:26,216 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 18:00:26,219 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 172 events. 18/172 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 553 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 111. Up to 6 conditions per place. [2020-10-15 18:00:26,225 INFO L117 LiptonReduction]: Number of co-enabled transitions 4532 [2020-10-15 18:00:27,527 INFO L132 LiptonReduction]: Checked pairs total: 14728 [2020-10-15 18:00:27,528 INFO L134 LiptonReduction]: Total number of compositions: 66 [2020-10-15 18:00:27,528 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 49 transitions, 110 flow [2020-10-15 18:00:27,630 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2499 states. [2020-10-15 18:00:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states. [2020-10-15 18:00:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-15 18:00:27,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:00:27,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-15 18:00:27,631 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:00:27,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:00:27,631 INFO L82 PathProgramCache]: Analyzing trace with hash 16223203, now seen corresponding path program 1 times [2020-10-15 18:00:27,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:00:27,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792638795] [2020-10-15 18:00:27,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:00:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:00:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:00:27,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792638795] [2020-10-15 18:00:27,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:00:27,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:00:27,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784833962] [2020-10-15 18:00:27,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 18:00:27,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:00:27,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 18:00:27,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 18:00:27,659 INFO L87 Difference]: Start difference. First operand 2499 states. Second operand 2 states. [2020-10-15 18:00:27,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:00:27,717 INFO L93 Difference]: Finished difference Result 2499 states and 7300 transitions. [2020-10-15 18:00:27,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 18:00:27,718 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-15 18:00:27,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:00:27,743 INFO L225 Difference]: With dead ends: 2499 [2020-10-15 18:00:27,743 INFO L226 Difference]: Without dead ends: 2313 [2020-10-15 18:00:27,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 18:00:27,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2020-10-15 18:00:27,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 2313. [2020-10-15 18:00:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2313 states. [2020-10-15 18:00:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2313 states and 6784 transitions. [2020-10-15 18:00:27,856 INFO L78 Accepts]: Start accepts. Automaton has 2313 states and 6784 transitions. Word has length 4 [2020-10-15 18:00:27,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:00:27,856 INFO L481 AbstractCegarLoop]: Abstraction has 2313 states and 6784 transitions. [2020-10-15 18:00:27,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 18:00:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 6784 transitions. [2020-10-15 18:00:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-15 18:00:27,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:00:27,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:00:27,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 18:00:27,858 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:00:27,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:00:27,858 INFO L82 PathProgramCache]: Analyzing trace with hash -2066014699, now seen corresponding path program 1 times [2020-10-15 18:00:27,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:00:27,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76854074] [2020-10-15 18:00:27,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:00:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:00:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:00:27,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76854074] [2020-10-15 18:00:27,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:00:27,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:00:27,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812761561] [2020-10-15 18:00:27,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 18:00:27,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:00:27,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 18:00:27,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:00:27,968 INFO L87 Difference]: Start difference. First operand 2313 states and 6784 transitions. Second operand 3 states. [2020-10-15 18:00:28,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:00:28,027 INFO L93 Difference]: Finished difference Result 2545 states and 7224 transitions. [2020-10-15 18:00:28,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 18:00:28,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-15 18:00:28,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:00:28,042 INFO L225 Difference]: With dead ends: 2545 [2020-10-15 18:00:28,042 INFO L226 Difference]: Without dead ends: 2170 [2020-10-15 18:00:28,043 INFO L677 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 [2020-10-15 18:00:28,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2170 states. [2020-10-15 18:00:28,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2170 to 1990. [2020-10-15 18:00:28,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1990 states. [2020-10-15 18:00:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 5668 transitions. [2020-10-15 18:00:28,108 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 5668 transitions. Word has length 7 [2020-10-15 18:00:28,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:00:28,108 INFO L481 AbstractCegarLoop]: Abstraction has 1990 states and 5668 transitions. [2020-10-15 18:00:28,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 18:00:28,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 5668 transitions. [2020-10-15 18:00:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-15 18:00:28,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:00:28,109 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-15 18:00:28,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 18:00:28,110 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:00:28,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:00:28,110 INFO L82 PathProgramCache]: Analyzing trace with hash 806101910, now seen corresponding path program 1 times [2020-10-15 18:00:28,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:00:28,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272411945] [2020-10-15 18:00:28,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:00:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:00:28,126 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:00:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:00:28,136 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:00:28,141 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 18:00:28,142 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 18:00:28,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 18:00:28,142 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 18:00:28,143 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-15 18:00:28,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,156 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,158 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,158 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,161 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,170 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,171 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,171 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,172 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,172 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,174 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,174 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,174 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,174 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,174 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,175 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,175 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,175 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,176 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,177 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,177 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,177 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,178 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,178 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,178 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,179 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,179 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,179 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,179 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:28,180 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 18:00:28,181 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:00:28,181 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:00:28,181 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:00:28,181 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:00:28,181 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:00:28,181 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:00:28,181 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:00:28,181 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:00:28,183 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:00:28,183 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 118 transitions, 257 flow [2020-10-15 18:00:28,183 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 118 transitions, 257 flow [2020-10-15 18:00:28,184 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 112 places, 118 transitions, 257 flow [2020-10-15 18:00:28,217 INFO L129 PetriNetUnfolder]: 25/234 cut-off events. [2020-10-15 18:00:28,217 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-15 18:00:28,220 INFO L80 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 234 events. 25/234 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 854 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 176. Up to 8 conditions per place. [2020-10-15 18:00:28,230 INFO L117 LiptonReduction]: Number of co-enabled transitions 8316 [2020-10-15 18:00:29,652 INFO L132 LiptonReduction]: Checked pairs total: 20734 [2020-10-15 18:00:29,653 INFO L134 LiptonReduction]: Total number of compositions: 70 [2020-10-15 18:00:29,653 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 61 transitions, 143 flow [2020-10-15 18:00:32,423 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 30003 states. [2020-10-15 18:00:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 30003 states. [2020-10-15 18:00:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-15 18:00:32,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:00:32,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-15 18:00:32,424 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:00:32,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:00:32,425 INFO L82 PathProgramCache]: Analyzing trace with hash 22840832, now seen corresponding path program 1 times [2020-10-15 18:00:32,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:00:32,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947639902] [2020-10-15 18:00:32,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:00:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:00:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:00:32,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947639902] [2020-10-15 18:00:32,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:00:32,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:00:32,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300850574] [2020-10-15 18:00:32,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 18:00:32,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:00:32,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 18:00:32,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 18:00:32,442 INFO L87 Difference]: Start difference. First operand 30003 states. Second operand 2 states. [2020-10-15 18:00:32,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:00:32,757 INFO L93 Difference]: Finished difference Result 30003 states and 117604 transitions. [2020-10-15 18:00:32,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 18:00:32,757 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-15 18:00:32,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:00:32,945 INFO L225 Difference]: With dead ends: 30003 [2020-10-15 18:00:32,945 INFO L226 Difference]: Without dead ends: 29067 [2020-10-15 18:00:32,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 18:00:33,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29067 states. [2020-10-15 18:00:34,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29067 to 29067. [2020-10-15 18:00:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29067 states. [2020-10-15 18:00:35,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29067 states to 29067 states and 114088 transitions. [2020-10-15 18:00:35,877 INFO L78 Accepts]: Start accepts. Automaton has 29067 states and 114088 transitions. Word has length 4 [2020-10-15 18:00:35,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:00:35,878 INFO L481 AbstractCegarLoop]: Abstraction has 29067 states and 114088 transitions. [2020-10-15 18:00:35,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 18:00:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 29067 states and 114088 transitions. [2020-10-15 18:00:35,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-15 18:00:35,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:00:35,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:00:35,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 18:00:35,879 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:00:35,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:00:35,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1775913419, now seen corresponding path program 1 times [2020-10-15 18:00:35,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:00:35,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889987820] [2020-10-15 18:00:35,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:00:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:00:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:00:35,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889987820] [2020-10-15 18:00:35,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:00:35,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:00:35,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552819795] [2020-10-15 18:00:35,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 18:00:35,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:00:35,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 18:00:35,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:00:35,921 INFO L87 Difference]: Start difference. First operand 29067 states and 114088 transitions. Second operand 3 states. [2020-10-15 18:00:36,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:00:36,115 INFO L93 Difference]: Finished difference Result 36627 states and 139297 transitions. [2020-10-15 18:00:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 18:00:36,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-15 18:00:36,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:00:36,242 INFO L225 Difference]: With dead ends: 36627 [2020-10-15 18:00:36,243 INFO L226 Difference]: Without dead ends: 34492 [2020-10-15 18:00:36,243 INFO L677 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 [2020-10-15 18:00:36,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34492 states. [2020-10-15 18:00:37,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34492 to 30270. [2020-10-15 18:00:37,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30270 states. [2020-10-15 18:00:37,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30270 states to 30270 states and 115972 transitions. [2020-10-15 18:00:37,721 INFO L78 Accepts]: Start accepts. Automaton has 30270 states and 115972 transitions. Word has length 7 [2020-10-15 18:00:37,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:00:37,722 INFO L481 AbstractCegarLoop]: Abstraction has 30270 states and 115972 transitions. [2020-10-15 18:00:37,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 18:00:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand 30270 states and 115972 transitions. [2020-10-15 18:00:37,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 18:00:37,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:00:37,729 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-15 18:00:37,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 18:00:37,730 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:00:37,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:00:37,730 INFO L82 PathProgramCache]: Analyzing trace with hash 68635660, now seen corresponding path program 1 times [2020-10-15 18:00:37,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:00:37,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643236517] [2020-10-15 18:00:37,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:00:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:00:37,756 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:00:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:00:37,765 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:00:37,771 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 18:00:37,771 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 18:00:37,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 18:00:37,772 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 18:00:37,773 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-15 18:00:37,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,792 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,797 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,797 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,806 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,806 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,807 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,807 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,807 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,807 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,807 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,808 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,808 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,808 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,810 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,810 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,811 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,813 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,813 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:00:37,814 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 18:00:37,814 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:00:37,815 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:00:37,815 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:00:37,815 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:00:37,815 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:00:37,815 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:00:37,815 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:00:37,815 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:00:37,817 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:00:37,817 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 141 transitions, 314 flow [2020-10-15 18:00:37,817 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 141 transitions, 314 flow [2020-10-15 18:00:37,817 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 134 places, 141 transitions, 314 flow [2020-10-15 18:00:37,849 INFO L129 PetriNetUnfolder]: 32/296 cut-off events. [2020-10-15 18:00:37,849 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-15 18:00:37,853 INFO L80 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 296 events. 32/296 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1159 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 242. Up to 10 conditions per place. [2020-10-15 18:00:37,868 INFO L117 LiptonReduction]: Number of co-enabled transitions 13112 [2020-10-15 18:00:39,857 INFO L132 LiptonReduction]: Checked pairs total: 40526 [2020-10-15 18:00:39,857 INFO L134 LiptonReduction]: Total number of compositions: 84 [2020-10-15 18:00:39,857 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 76 transitions, 184 flow [2020-10-15 18:04:28,915 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 360051 states. [2020-10-15 18:04:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 360051 states. [2020-10-15 18:04:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-15 18:04:28,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:04:28,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-15 18:04:28,916 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:04:28,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:04:28,917 INFO L82 PathProgramCache]: Analyzing trace with hash 30503052, now seen corresponding path program 1 times [2020-10-15 18:04:28,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:04:28,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33686145] [2020-10-15 18:04:28,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:04:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:04:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:04:28,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33686145] [2020-10-15 18:04:28,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:04:28,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:04:28,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675689762] [2020-10-15 18:04:28,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 18:04:28,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:04:28,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 18:04:28,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 18:04:28,927 INFO L87 Difference]: Start difference. First operand 360051 states. Second operand 2 states. [2020-10-15 18:04:31,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:04:31,080 INFO L93 Difference]: Finished difference Result 360051 states and 1771300 transitions. [2020-10-15 18:04:31,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 18:04:31,080 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-15 18:04:31,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:04:43,960 INFO L225 Difference]: With dead ends: 360051 [2020-10-15 18:04:43,960 INFO L226 Difference]: Without dead ends: 355365 [2020-10-15 18:04:43,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 18:05:07,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355365 states. [2020-10-15 18:05:16,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355365 to 355365. [2020-10-15 18:05:16,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355365 states. [2020-10-15 18:05:18,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355365 states to 355365 states and 1749034 transitions. [2020-10-15 18:05:18,009 INFO L78 Accepts]: Start accepts. Automaton has 355365 states and 1749034 transitions. Word has length 4 [2020-10-15 18:05:18,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:05:18,009 INFO L481 AbstractCegarLoop]: Abstraction has 355365 states and 1749034 transitions. [2020-10-15 18:05:18,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 18:05:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 355365 states and 1749034 transitions. [2020-10-15 18:05:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-15 18:05:18,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:05:18,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:05:18,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 18:05:18,010 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:05:18,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:05:18,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1919652337, now seen corresponding path program 1 times [2020-10-15 18:05:18,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:05:18,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172320044] [2020-10-15 18:05:18,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:05:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:05:18,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:05:18,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172320044] [2020-10-15 18:05:18,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:05:18,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:05:18,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230299594] [2020-10-15 18:05:18,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 18:05:18,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:05:18,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 18:05:18,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:05:18,055 INFO L87 Difference]: Start difference. First operand 355365 states and 1749034 transitions. Second operand 3 states. [2020-10-15 18:05:37,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:05:37,783 INFO L93 Difference]: Finished difference Result 497531 states and 2370614 transitions. [2020-10-15 18:05:37,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 18:05:37,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-15 18:05:37,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:05:41,948 INFO L225 Difference]: With dead ends: 497531 [2020-10-15 18:05:41,948 INFO L226 Difference]: Without dead ends: 486436 [2020-10-15 18:05:41,948 INFO L677 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 [2020-10-15 18:06:19,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486436 states. [2020-10-15 18:06:29,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486436 to 417618. [2020-10-15 18:06:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417618 states. [2020-10-15 18:06:48,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417618 states to 417618 states and 2006666 transitions. [2020-10-15 18:06:48,877 INFO L78 Accepts]: Start accepts. Automaton has 417618 states and 2006666 transitions. Word has length 7 [2020-10-15 18:06:48,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:06:48,877 INFO L481 AbstractCegarLoop]: Abstraction has 417618 states and 2006666 transitions. [2020-10-15 18:06:48,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 18:06:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 417618 states and 2006666 transitions. [2020-10-15 18:06:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 18:06:48,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:06:48,880 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-10-15 18:06:48,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 18:06:48,880 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:06:48,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:06:48,881 INFO L82 PathProgramCache]: Analyzing trace with hash 705833876, now seen corresponding path program 1 times [2020-10-15 18:06:48,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:06:48,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278591132] [2020-10-15 18:06:48,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:06:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:06:48,916 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:06:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:06:48,935 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:06:48,943 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 18:06:48,943 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 18:06:48,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 18:06:48,944 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 18:06:48,944 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-15 18:06:48,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:48,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,000 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,000 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,000 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:06:49,003 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-15 18:06:49,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:06:49,004 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:06:49,004 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:06:49,004 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:06:49,004 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:06:49,004 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:06:49,004 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:06:49,004 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:06:49,006 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:06:49,006 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 164 transitions, 373 flow [2020-10-15 18:06:49,006 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 164 transitions, 373 flow [2020-10-15 18:06:49,006 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 156 places, 164 transitions, 373 flow [2020-10-15 18:06:49,046 INFO L129 PetriNetUnfolder]: 39/358 cut-off events. [2020-10-15 18:06:49,046 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-15 18:06:49,050 INFO L80 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 358 events. 39/358 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1482 event pairs, 0 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 311. Up to 12 conditions per place. [2020-10-15 18:06:49,069 INFO L117 LiptonReduction]: Number of co-enabled transitions 18920 [2020-10-15 18:06:51,508 INFO L132 LiptonReduction]: Checked pairs total: 67505 [2020-10-15 18:06:51,509 INFO L134 LiptonReduction]: Total number of compositions: 102 [2020-10-15 18:06:51,510 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 92 transitions, 229 flow Received shutdown request... [2020-10-15 18:13:11,630 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-15 18:13:11,632 WARN L235 ceAbstractionStarter]: Timeout [2020-10-15 18:13:11,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 06:13:11 BasicIcfg [2020-10-15 18:13:11,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 18:13:11,634 INFO L168 Benchmark]: Toolchain (without parser) took 768510.32 ms. Allocated memory was 253.8 MB in the beginning and 4.9 GB in the end (delta: 4.6 GB). Free memory was 206.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 8.8 GB. Max. memory is 14.2 GB. [2020-10-15 18:13:11,635 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 253.8 MB. Free memory is still 227.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 18:13:11,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.33 ms. Allocated memory was 253.8 MB in the beginning and 321.9 MB in the end (delta: 68.2 MB). Free memory was 206.4 MB in the beginning and 277.4 MB in the end (delta: -71.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 14.2 GB. [2020-10-15 18:13:11,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.05 ms. Allocated memory is still 321.9 MB. Free memory was 277.4 MB in the beginning and 274.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 18:13:11,637 INFO L168 Benchmark]: Boogie Preprocessor took 26.33 ms. Allocated memory is still 321.9 MB. Free memory was 274.8 MB in the beginning and 272.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 18:13:11,638 INFO L168 Benchmark]: RCFGBuilder took 559.50 ms. Allocated memory is still 321.9 MB. Free memory was 272.3 MB in the beginning and 235.3 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 14.2 GB. [2020-10-15 18:13:11,639 INFO L168 Benchmark]: TraceAbstraction took 767263.10 ms. Allocated memory was 321.9 MB in the beginning and 4.9 GB in the end (delta: 4.6 GB). Free memory was 235.3 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 8.7 GB. Max. memory is 14.2 GB. [2020-10-15 18:13:11,643 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 253.8 MB. Free memory is still 227.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 607.33 ms. Allocated memory was 253.8 MB in the beginning and 321.9 MB in the end (delta: 68.2 MB). Free memory was 206.4 MB in the beginning and 277.4 MB in the end (delta: -71.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 49.05 ms. Allocated memory is still 321.9 MB. Free memory was 277.4 MB in the beginning and 274.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 26.33 ms. Allocated memory is still 321.9 MB. Free memory was 274.8 MB in the beginning and 272.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 559.50 ms. Allocated memory is still 321.9 MB. Free memory was 272.3 MB in the beginning and 235.3 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 767263.10 ms. Allocated memory was 321.9 MB in the beginning and 4.9 GB in the end (delta: 4.6 GB). Free memory was 235.3 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 8.7 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1143 VarBasedMoverChecksPositive, 79 VarBasedMoverChecksNegative, 18 SemBasedMoverChecksPositive, 61 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 248 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 68 PlacesBefore, 31 PlacesAfterwards, 72 TransitionsBefore, 33 TransitionsAfterwards, 1760 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 48 TotalNumberOfCompositions, 4034 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2761 VarBasedMoverChecksPositive, 229 VarBasedMoverChecksNegative, 154 SemBasedMoverChecksPositive, 75 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 442 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 90 PlacesBefore, 45 PlacesAfterwards, 95 TransitionsBefore, 49 TransitionsAfterwards, 4532 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 1 ChoiceCompositions, 66 TotalNumberOfCompositions, 14728 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4687 VarBasedMoverChecksPositive, 158 VarBasedMoverChecksNegative, 41 SemBasedMoverChecksPositive, 117 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 800 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 112 PlacesBefore, 59 PlacesAfterwards, 118 TransitionsBefore, 61 TransitionsAfterwards, 8316 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 4 ChoiceCompositions, 70 TotalNumberOfCompositions, 20734 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7765 VarBasedMoverChecksPositive, 329 VarBasedMoverChecksNegative, 172 SemBasedMoverChecksPositive, 157 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 1529 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.0s, 134 PlacesBefore, 73 PlacesAfterwards, 141 TransitionsBefore, 76 TransitionsAfterwards, 13112 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 4 ChoiceCompositions, 84 TotalNumberOfCompositions, 40526 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 11240 VarBasedMoverChecksPositive, 736 VarBasedMoverChecksNegative, 546 SemBasedMoverChecksPositive, 190 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.5s, 2110 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.5s, 156 PlacesBefore, 87 PlacesAfterwards, 164 TransitionsBefore, 92 TransitionsAfterwards, 18920 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 64 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 27 ConcurrentYvCompositions, 3 ChoiceCompositions, 102 TotalNumberOfCompositions, 67505 MoverChecksTotal - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 691). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 87 places, 92 transitions, 229 flow. Already constructed 538729 states. Currently 141231 states in worklist.. - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 691). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 87 places, 92 transitions, 229 flow. Already constructed 538729 states. Currently 141231 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 2 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 766.9s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 39.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 620.6s, HoareTripleCheckerStatistics: 480 SDtfs, 126 SDslu, 117 SDs, 0 SdLazy, 51 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417618occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 105.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 73220 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 could not prove your program: Timeout Completed graceful shutdown