/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 12:05:44,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 12:05:44,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 12:05:44,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 12:05:44,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 12:05:44,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 12:05:44,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 12:05:44,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 12:05:44,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 12:05:44,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 12:05:44,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 12:05:44,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 12:05:44,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 12:05:44,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 12:05:44,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 12:05:44,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 12:05:44,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 12:05:44,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 12:05:44,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 12:05:44,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 12:05:44,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 12:05:44,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 12:05:44,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 12:05:44,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 12:05:44,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 12:05:44,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 12:05:44,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 12:05:44,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 12:05:44,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 12:05:44,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 12:05:44,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 12:05:44,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 12:05:44,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 12:05:44,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 12:05:44,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 12:05:44,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 12:05:44,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 12:05:44,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 12:05:44,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 12:05:44,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 12:05:44,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 12:05:44,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf [2020-04-18 12:05:44,828 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 12:05:44,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 12:05:44,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 12:05:44,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 12:05:44,833 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 12:05:44,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 12:05:44,833 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 12:05:44,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 12:05:44,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 12:05:44,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 12:05:44,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 12:05:44,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 12:05:44,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 12:05:44,834 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 12:05:44,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 12:05:44,835 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 12:05:44,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 12:05:44,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 12:05:44,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 12:05:44,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 12:05:44,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 12:05:44,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 12:05:44,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 12:05:44,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 12:05:44,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 12:05:44,837 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 12:05:44,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 12:05:44,837 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 12:05:44,837 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 12:05:44,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 12:05:44,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 12:05:45,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 12:05:45,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 12:05:45,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 12:05:45,146 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 12:05:45,146 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 12:05:45,148 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-04-18 12:05:45,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b2c41c97/c244369577d2459586d5d360bcb8a3e7/FLAG97da60db3 [2020-04-18 12:05:45,799 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 12:05:45,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-04-18 12:05:45,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b2c41c97/c244369577d2459586d5d360bcb8a3e7/FLAG97da60db3 [2020-04-18 12:05:46,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b2c41c97/c244369577d2459586d5d360bcb8a3e7 [2020-04-18 12:05:46,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 12:05:46,079 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 12:05:46,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 12:05:46,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 12:05:46,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 12:05:46,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24545ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46, skipping insertion in model container [2020-04-18 12:05:46,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 12:05:46,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 12:05:46,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 12:05:46,708 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 12:05:46,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 12:05:46,861 INFO L208 MainTranslator]: Completed translation [2020-04-18 12:05:46,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46 WrapperNode [2020-04-18 12:05:46,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 12:05:46,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 12:05:46,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 12:05:46,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 12:05:46,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 12:05:46,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 12:05:46,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 12:05:46,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 12:05:46,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (1/1) ... [2020-04-18 12:05:46,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 12:05:46,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 12:05:46,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 12:05:46,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 12:05:46,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (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 [2020-04-18 12:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 12:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-04-18 12:05:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-04-18 12:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 12:05:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 12:05:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 12:05:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 12:05:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 12:05:47,014 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 12:05:47,745 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 12:05:47,746 INFO L295 CfgBuilder]: Removed 11 assume(true) statements. [2020-04-18 12:05:47,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 12:05:47 BoogieIcfgContainer [2020-04-18 12:05:47,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 12:05:47,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 12:05:47,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 12:05:47,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 12:05:47,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 12:05:46" (1/3) ... [2020-04-18 12:05:47,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5a6112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 12:05:47, skipping insertion in model container [2020-04-18 12:05:47,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 12:05:46" (2/3) ... [2020-04-18 12:05:47,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5a6112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 12:05:47, skipping insertion in model container [2020-04-18 12:05:47,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 12:05:47" (3/3) ... [2020-04-18 12:05:47,759 INFO L109 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs.i [2020-04-18 12:05:47,770 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 12:05:47,770 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 12:05:47,779 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-04-18 12:05:47,780 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 12:05:47,806 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,807 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,807 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,808 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,808 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,808 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,809 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,809 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,809 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,809 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,810 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,810 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,810 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,810 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,811 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,811 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,811 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,811 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,812 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,812 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,812 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,813 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,813 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,814 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,814 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,814 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,814 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,815 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,815 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,819 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,820 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,820 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:47,839 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 12:05:47,856 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 12:05:47,856 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 12:05:47,856 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 12:05:47,856 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 12:05:47,856 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 12:05:47,857 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 12:05:47,857 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 12:05:47,857 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 12:05:47,872 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 82 transitions, 169 flow [2020-04-18 12:05:47,873 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 82 transitions, 169 flow [2020-04-18 12:05:47,923 INFO L129 PetriNetUnfolder]: 20/125 cut-off events. [2020-04-18 12:05:47,923 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 12:05:47,930 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 20/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 379 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2020-04-18 12:05:47,935 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 82 transitions, 169 flow [2020-04-18 12:05:47,973 INFO L129 PetriNetUnfolder]: 20/125 cut-off events. [2020-04-18 12:05:47,973 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 12:05:47,976 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 20/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 379 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2020-04-18 12:05:47,980 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2430 [2020-04-18 12:05:47,982 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 12:05:48,746 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4870 [2020-04-18 12:05:48,746 INFO L214 etLargeBlockEncoding]: Total number of compositions: 52 [2020-04-18 12:05:48,752 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 39 transitions, 83 flow [2020-04-18 12:05:48,781 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 254 states. [2020-04-18 12:05:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-04-18 12:05:48,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 12:05:48,792 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:05:48,793 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 12:05:48,793 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:05:48,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:48,799 INFO L82 PathProgramCache]: Analyzing trace with hash -578746999, now seen corresponding path program 1 times [2020-04-18 12:05:48,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:05:48,805 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1388534648] [2020-04-18 12:05:48,817 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:48,823 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 12:05:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 12:05:48,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 12:05:48,825 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:05:48,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:48,826 INFO L82 PathProgramCache]: Analyzing trace with hash -578746999, now seen corresponding path program 2 times [2020-04-18 12:05:48,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:05:48,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906393004] [2020-04-18 12:05:48,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:05:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 12:05:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 12:05:49,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906393004] [2020-04-18 12:05:49,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 12:05:49,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 12:05:49,035 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 12:05:49,035 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:49,041 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 12:05:49,041 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 12:05:49,044 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 12:05:49,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:05:49,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:05:49,049 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 2 states. [2020-04-18 12:05:49,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:05:49,052 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 12:05:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 12:05:49,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 12:05:49,053 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1388534648] [2020-04-18 12:05:49,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 12:05:49,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 12:05:49,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1388534648] [2020-04-18 12:05:49,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 12:05:49,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 12:05:49,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:05:49,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:05:49,060 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 2 states. [2020-04-18 12:05:49,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:05:49,075 INFO L93 Difference]: Finished difference Result 223 states and 462 transitions. [2020-04-18 12:05:49,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 12:05:49,076 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-18 12:05:49,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 12:05:49,091 INFO L225 Difference]: With dead ends: 223 [2020-04-18 12:05:49,092 INFO L226 Difference]: Without dead ends: 221 [2020-04-18 12:05:49,093 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:05:49,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-04-18 12:05:49,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2020-04-18 12:05:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-04-18 12:05:49,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 459 transitions. [2020-04-18 12:05:49,154 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 459 transitions. Word has length 6 [2020-04-18 12:05:49,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 12:05:49,155 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 459 transitions. [2020-04-18 12:05:49,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 12:05:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 459 transitions. [2020-04-18 12:05:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 12:05:49,156 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:05:49,156 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-04-18 12:05:49,156 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:05:49,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:49,157 INFO L82 PathProgramCache]: Analyzing trace with hash -593819222, now seen corresponding path program 1 times [2020-04-18 12:05:49,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:05:49,157 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [708827367] [2020-04-18 12:05:49,158 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:49,158 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 12:05:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 12:05:49,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 12:05:49,159 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:05:49,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:49,160 INFO L82 PathProgramCache]: Analyzing trace with hash -593819222, now seen corresponding path program 2 times [2020-04-18 12:05:49,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:05:49,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706679685] [2020-04-18 12:05:49,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:05:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:05:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:05:49,227 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 12:05:49,228 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 12:05:49,228 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 12:05:49,229 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 12:05:49,230 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-18 12:05:49,242 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,242 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,243 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,243 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,243 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,243 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,244 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,244 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,244 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,244 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,244 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,245 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,245 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,245 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,245 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,245 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,246 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,246 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,246 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,247 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,247 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,247 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,247 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,248 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,248 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,248 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,248 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,249 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,249 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,249 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,250 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,250 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,250 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,250 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,251 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,251 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,251 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,251 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,252 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,252 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,252 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,252 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,252 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,253 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,253 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,253 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,253 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,254 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,254 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,254 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,255 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,255 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,255 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,255 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,255 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,257 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,257 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,258 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,258 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,258 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,259 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,259 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,259 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,259 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,263 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,263 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,263 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,264 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,264 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,264 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,264 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,265 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,265 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,265 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,265 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,266 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,266 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:49,277 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-18 12:05:49,277 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 12:05:49,277 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 12:05:49,277 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 12:05:49,278 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 12:05:49,278 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 12:05:49,278 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 12:05:49,278 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 12:05:49,278 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 12:05:49,283 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 110 transitions, 232 flow [2020-04-18 12:05:49,283 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 96 places, 110 transitions, 232 flow [2020-04-18 12:05:49,351 INFO L129 PetriNetUnfolder]: 33/197 cut-off events. [2020-04-18 12:05:49,352 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-04-18 12:05:49,355 INFO L80 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 197 events. 33/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 705 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 126. Up to 9 conditions per place. [2020-04-18 12:05:49,367 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 96 places, 110 transitions, 232 flow [2020-04-18 12:05:49,414 INFO L129 PetriNetUnfolder]: 33/197 cut-off events. [2020-04-18 12:05:49,414 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-04-18 12:05:49,417 INFO L80 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 197 events. 33/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 705 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 126. Up to 9 conditions per place. [2020-04-18 12:05:49,424 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6372 [2020-04-18 12:05:49,424 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 12:05:50,109 INFO L206 etLargeBlockEncoding]: Checked pairs total: 14264 [2020-04-18 12:05:50,110 INFO L214 etLargeBlockEncoding]: Total number of compositions: 65 [2020-04-18 12:05:50,110 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 53 transitions, 118 flow [2020-04-18 12:05:50,322 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3122 states. [2020-04-18 12:05:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states. [2020-04-18 12:05:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 12:05:50,323 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:05:50,323 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 12:05:50,323 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:05:50,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:50,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1368978249, now seen corresponding path program 1 times [2020-04-18 12:05:50,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:05:50,325 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1963408153] [2020-04-18 12:05:50,325 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:50,325 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 12:05:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 12:05:50,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 12:05:50,326 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:05:50,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:50,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1368978249, now seen corresponding path program 2 times [2020-04-18 12:05:50,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:05:50,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471070518] [2020-04-18 12:05:50,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:05:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 12:05:50,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 12:05:50,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471070518] [2020-04-18 12:05:50,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 12:05:50,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 12:05:50,365 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 12:05:50,365 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:50,366 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 12:05:50,366 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 12:05:50,367 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 12:05:50,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:05:50,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:05:50,368 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 2 states. [2020-04-18 12:05:50,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:05:50,368 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 12:05:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 12:05:50,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 12:05:50,369 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1963408153] [2020-04-18 12:05:50,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 12:05:50,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 12:05:50,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1963408153] [2020-04-18 12:05:50,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 12:05:50,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 12:05:50,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:05:50,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:05:50,371 INFO L87 Difference]: Start difference. First operand 3122 states. Second operand 2 states. [2020-04-18 12:05:50,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:05:50,462 INFO L93 Difference]: Finished difference Result 2522 states and 7941 transitions. [2020-04-18 12:05:50,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 12:05:50,462 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-18 12:05:50,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 12:05:50,488 INFO L225 Difference]: With dead ends: 2522 [2020-04-18 12:05:50,489 INFO L226 Difference]: Without dead ends: 2522 [2020-04-18 12:05:50,489 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:05:50,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2020-04-18 12:05:50,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2522. [2020-04-18 12:05:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2522 states. [2020-04-18 12:05:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 7941 transitions. [2020-04-18 12:05:50,613 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 7941 transitions. Word has length 6 [2020-04-18 12:05:50,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 12:05:50,613 INFO L479 AbstractCegarLoop]: Abstraction has 2522 states and 7941 transitions. [2020-04-18 12:05:50,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 12:05:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 7941 transitions. [2020-04-18 12:05:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 12:05:50,614 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:05:50,614 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 12:05:50,615 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:05:50,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:50,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1327386480, now seen corresponding path program 1 times [2020-04-18 12:05:50,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:05:50,616 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [578589890] [2020-04-18 12:05:50,616 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:50,616 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 12:05:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-04-18 12:05:50,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 12:05:50,617 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:05:50,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:50,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1327386480, now seen corresponding path program 2 times [2020-04-18 12:05:50,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:05:50,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000739256] [2020-04-18 12:05:50,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:05:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 12:05:50,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 12:05:50,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000739256] [2020-04-18 12:05:50,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 12:05:50,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 12:05:50,739 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 12:05:50,740 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:50,741 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 12:05:50,741 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 12:05:50,745 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 12:05:50,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 12:05:50,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:05:50,746 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-04-18 12:05:50,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:05:50,750 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2020-04-18 12:05:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-04-18 12:05:50,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 12:05:50,750 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [578589890] [2020-04-18 12:05:50,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 12:05:50,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 12:05:50,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [578589890] [2020-04-18 12:05:50,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 12:05:50,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 12:05:50,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 12:05:50,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:05:50,754 INFO L87 Difference]: Start difference. First operand 2522 states and 7941 transitions. Second operand 3 states. [2020-04-18 12:05:50,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:05:50,835 INFO L93 Difference]: Finished difference Result 3322 states and 10265 transitions. [2020-04-18 12:05:50,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 12:05:50,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 12:05:50,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 12:05:50,860 INFO L225 Difference]: With dead ends: 3322 [2020-04-18 12:05:50,860 INFO L226 Difference]: Without dead ends: 3312 [2020-04-18 12:05:50,862 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:05:50,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2020-04-18 12:05:50,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 2920. [2020-04-18 12:05:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2920 states. [2020-04-18 12:05:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 9084 transitions. [2020-04-18 12:05:50,989 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 9084 transitions. Word has length 8 [2020-04-18 12:05:50,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 12:05:50,989 INFO L479 AbstractCegarLoop]: Abstraction has 2920 states and 9084 transitions. [2020-04-18 12:05:50,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 12:05:50,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 9084 transitions. [2020-04-18 12:05:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 12:05:50,992 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:05:50,993 INFO L425 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-04-18 12:05:50,993 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:05:50,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:50,993 INFO L82 PathProgramCache]: Analyzing trace with hash 132337585, now seen corresponding path program 1 times [2020-04-18 12:05:50,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:05:50,995 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1350175482] [2020-04-18 12:05:50,995 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:50,995 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 12:05:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-04-18 12:05:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 12:05:50,997 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:05:50,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:50,998 INFO L82 PathProgramCache]: Analyzing trace with hash 132337585, now seen corresponding path program 2 times [2020-04-18 12:05:50,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:05:50,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83779987] [2020-04-18 12:05:50,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:05:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:05:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:05:51,063 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 12:05:51,063 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 12:05:51,064 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 12:05:51,064 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 12:05:51,066 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-04-18 12:05:51,078 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,078 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,078 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,078 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,079 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,079 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,079 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,079 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,079 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,079 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,080 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,080 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,080 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,081 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,081 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,081 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,081 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,081 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,084 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,084 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,084 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,084 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,084 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,084 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,085 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,086 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,086 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,090 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,091 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,091 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,092 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,093 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,093 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,101 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,102 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,102 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,102 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,103 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,103 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,103 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,103 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,103 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,104 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,104 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,104 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,104 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,104 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,104 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,105 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,105 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,105 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,107 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,108 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,108 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,108 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,108 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,109 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,109 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,109 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,109 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,109 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,109 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,110 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,110 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,110 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,112 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,113 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,113 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,113 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,113 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,113 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,114 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,114 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,114 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,114 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,114 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,114 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,114 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,115 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:05:51,117 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-18 12:05:51,118 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 12:05:51,118 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 12:05:51,118 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 12:05:51,118 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 12:05:51,118 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 12:05:51,118 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 12:05:51,118 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 12:05:51,119 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 12:05:51,121 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 138 transitions, 297 flow [2020-04-18 12:05:51,122 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 138 transitions, 297 flow [2020-04-18 12:05:51,157 INFO L129 PetriNetUnfolder]: 46/269 cut-off events. [2020-04-18 12:05:51,157 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-04-18 12:05:51,161 INFO L80 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 269 events. 46/269 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1078 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 201. Up to 12 conditions per place. [2020-04-18 12:05:51,176 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 138 transitions, 297 flow [2020-04-18 12:05:51,222 INFO L129 PetriNetUnfolder]: 46/269 cut-off events. [2020-04-18 12:05:51,223 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-04-18 12:05:51,225 INFO L80 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 269 events. 46/269 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1078 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 201. Up to 12 conditions per place. [2020-04-18 12:05:51,242 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11826 [2020-04-18 12:05:51,243 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 12:05:52,059 INFO L206 etLargeBlockEncoding]: Checked pairs total: 24544 [2020-04-18 12:05:52,059 INFO L214 etLargeBlockEncoding]: Total number of compositions: 78 [2020-04-18 12:05:52,060 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 69 transitions, 159 flow [2020-04-18 12:05:57,081 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 40277 states. [2020-04-18 12:05:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 40277 states. [2020-04-18 12:05:57,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 12:05:57,082 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:05:57,082 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 12:05:57,082 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:05:57,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:57,083 INFO L82 PathProgramCache]: Analyzing trace with hash 324451912, now seen corresponding path program 1 times [2020-04-18 12:05:57,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:05:57,083 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1702085336] [2020-04-18 12:05:57,084 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:57,084 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 12:05:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 12:05:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 12:05:57,085 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:05:57,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:57,085 INFO L82 PathProgramCache]: Analyzing trace with hash 324451912, now seen corresponding path program 2 times [2020-04-18 12:05:57,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:05:57,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103901417] [2020-04-18 12:05:57,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:05:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 12:05:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 12:05:57,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103901417] [2020-04-18 12:05:57,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 12:05:57,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 12:05:57,103 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 12:05:57,104 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:57,104 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 12:05:57,104 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 12:05:57,105 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 12:05:57,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:05:57,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:05:57,105 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 2 states. [2020-04-18 12:05:57,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:05:57,106 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 12:05:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 12:05:57,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 12:05:57,106 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1702085336] [2020-04-18 12:05:57,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 12:05:57,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 12:05:57,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1702085336] [2020-04-18 12:05:57,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 12:05:57,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 12:05:57,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 12:05:57,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:05:57,108 INFO L87 Difference]: Start difference. First operand 40277 states. Second operand 2 states. [2020-04-18 12:05:57,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:05:57,444 INFO L93 Difference]: Finished difference Result 30003 states and 126776 transitions. [2020-04-18 12:05:57,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 12:05:57,444 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-18 12:05:57,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 12:05:57,662 INFO L225 Difference]: With dead ends: 30003 [2020-04-18 12:05:57,662 INFO L226 Difference]: Without dead ends: 30002 [2020-04-18 12:05:57,663 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 12:05:58,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30002 states. [2020-04-18 12:05:59,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30002 to 30002. [2020-04-18 12:05:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30002 states. [2020-04-18 12:05:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30002 states to 30002 states and 126775 transitions. [2020-04-18 12:05:59,409 INFO L78 Accepts]: Start accepts. Automaton has 30002 states and 126775 transitions. Word has length 6 [2020-04-18 12:05:59,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 12:05:59,409 INFO L479 AbstractCegarLoop]: Abstraction has 30002 states and 126775 transitions. [2020-04-18 12:05:59,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 12:05:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 30002 states and 126775 transitions. [2020-04-18 12:05:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 12:05:59,410 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:05:59,410 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 12:05:59,411 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:05:59,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:59,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1735763561, now seen corresponding path program 1 times [2020-04-18 12:05:59,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:05:59,411 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [883003030] [2020-04-18 12:05:59,412 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:59,412 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 12:05:59,412 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-04-18 12:05:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 12:05:59,413 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:05:59,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:05:59,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1735763561, now seen corresponding path program 2 times [2020-04-18 12:05:59,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:05:59,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842670756] [2020-04-18 12:05:59,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:05:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 12:05:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 12:05:59,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842670756] [2020-04-18 12:05:59,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 12:05:59,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 12:05:59,455 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 12:05:59,456 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:05:59,457 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 12:05:59,459 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 12:05:59,475 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 12:05:59,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 12:05:59,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:05:59,476 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-04-18 12:05:59,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:05:59,484 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2020-04-18 12:05:59,484 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-04-18 12:05:59,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 12:05:59,485 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [883003030] [2020-04-18 12:05:59,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 12:05:59,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 12:05:59,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [883003030] [2020-04-18 12:05:59,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 12:05:59,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 12:05:59,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 12:05:59,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:05:59,488 INFO L87 Difference]: Start difference. First operand 30002 states and 126775 transitions. Second operand 3 states. [2020-04-18 12:05:59,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 12:05:59,853 INFO L93 Difference]: Finished difference Result 43917 states and 180891 transitions. [2020-04-18 12:05:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 12:05:59,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 12:05:59,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 12:06:02,099 INFO L225 Difference]: With dead ends: 43917 [2020-04-18 12:06:02,100 INFO L226 Difference]: Without dead ends: 43897 [2020-04-18 12:06:02,100 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 12:06:02,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43897 states. [2020-04-18 12:06:03,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43897 to 37697. [2020-04-18 12:06:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37697 states. [2020-04-18 12:06:04,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37697 states to 37697 states and 156605 transitions. [2020-04-18 12:06:04,105 INFO L78 Accepts]: Start accepts. Automaton has 37697 states and 156605 transitions. Word has length 8 [2020-04-18 12:06:04,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 12:06:04,105 INFO L479 AbstractCegarLoop]: Abstraction has 37697 states and 156605 transitions. [2020-04-18 12:06:04,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 12:06:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand 37697 states and 156605 transitions. [2020-04-18 12:06:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 12:06:04,107 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 12:06:04,107 INFO L425 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-04-18 12:06:04,107 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 12:06:04,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:04,108 INFO L82 PathProgramCache]: Analyzing trace with hash 32414610, now seen corresponding path program 1 times [2020-04-18 12:06:04,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 12:06:04,108 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1481613364] [2020-04-18 12:06:04,109 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 12:06:04,109 INFO L259 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-04-18 12:06:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-04-18 12:06:04,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 12:06:04,110 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 12:06:04,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 12:06:04,110 INFO L82 PathProgramCache]: Analyzing trace with hash 32414610, now seen corresponding path program 2 times [2020-04-18 12:06:04,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 12:06:04,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15880271] [2020-04-18 12:06:04,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 12:06:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:06:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 12:06:04,140 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 12:06:04,140 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 12:06:04,141 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 12:06:04,141 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 12:06:04,141 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-04-18 12:06:04,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,154 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,155 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,155 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,157 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,158 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,158 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,158 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,158 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,158 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,158 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,158 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,159 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,159 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,159 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,161 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,161 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,161 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,161 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,161 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,161 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,162 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,162 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,162 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,162 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,162 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,162 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,163 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,164 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,164 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,167 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,167 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,167 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,167 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,167 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,167 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,167 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,168 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,168 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,168 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,168 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,168 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,168 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,168 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,169 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,169 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,169 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,169 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,169 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,170 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,170 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,170 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,170 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,170 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,170 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,171 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,172 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,172 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,172 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,172 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,172 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,172 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,172 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,173 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,173 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,173 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,173 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,173 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,179 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,179 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,179 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,179 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,180 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,180 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,180 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,180 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,181 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,181 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,181 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,183 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,183 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,184 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,184 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,184 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,184 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,184 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,184 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,184 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,185 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,185 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,185 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,185 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,185 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,187 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,188 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,188 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,188 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,188 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,189 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 12:06:04,190 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-18 12:06:04,190 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 12:06:04,190 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 12:06:04,191 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 12:06:04,191 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 12:06:04,191 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 12:06:04,191 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 12:06:04,191 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 12:06:04,191 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 12:06:04,197 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 166 transitions, 364 flow [2020-04-18 12:06:04,198 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 166 transitions, 364 flow [2020-04-18 12:06:04,242 INFO L129 PetriNetUnfolder]: 59/341 cut-off events. [2020-04-18 12:06:04,242 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-04-18 12:06:04,246 INFO L80 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 341 events. 59/341 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1437 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 277. Up to 15 conditions per place. [2020-04-18 12:06:04,260 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 166 transitions, 364 flow [2020-04-18 12:06:04,301 INFO L129 PetriNetUnfolder]: 59/341 cut-off events. [2020-04-18 12:06:04,301 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-04-18 12:06:04,306 INFO L80 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 341 events. 59/341 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1437 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 277. Up to 15 conditions per place. [2020-04-18 12:06:04,319 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 18792 [2020-04-18 12:06:04,320 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 12:06:05,170 INFO L206 etLargeBlockEncoding]: Checked pairs total: 47519 [2020-04-18 12:06:05,171 INFO L214 etLargeBlockEncoding]: Total number of compositions: 91 [2020-04-18 12:06:05,171 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 89 transitions, 210 flow Received shutdown request... [2020-04-18 12:10:11,243 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-18 12:10:11,247 WARN L228 ceAbstractionStarter]: Timeout [2020-04-18 12:10:11,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 12:10:11 BasicIcfg [2020-04-18 12:10:11,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 12:10:11,251 INFO L168 Benchmark]: Toolchain (without parser) took 265188.82 ms. Allocated memory was 138.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 100.7 MB in the beginning and 503.3 MB in the end (delta: -402.6 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-04-18 12:10:11,252 INFO L168 Benchmark]: CDTParser took 1.06 ms. Allocated memory is still 138.4 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-04-18 12:10:11,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.97 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 98.7 MB in the beginning and 158.6 MB in the end (delta: -59.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-04-18 12:10:11,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.36 ms. Allocated memory is still 201.9 MB. Free memory was 158.6 MB in the beginning and 156.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-18 12:10:11,254 INFO L168 Benchmark]: Boogie Preprocessor took 29.85 ms. Allocated memory is still 201.9 MB. Free memory was 156.5 MB in the beginning and 155.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-04-18 12:10:11,261 INFO L168 Benchmark]: RCFGBuilder took 800.08 ms. Allocated memory is still 201.9 MB. Free memory was 155.1 MB in the beginning and 110.1 MB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB. [2020-04-18 12:10:11,265 INFO L168 Benchmark]: TraceAbstraction took 263496.18 ms. Allocated memory was 201.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 109.3 MB in the beginning and 503.3 MB in the end (delta: -394.0 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2020-04-18 12:10:11,274 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 ms. Allocated memory is still 138.4 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 781.97 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 98.7 MB in the beginning and 158.6 MB in the end (delta: -59.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.36 ms. Allocated memory is still 201.9 MB. Free memory was 158.6 MB in the beginning and 156.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.85 ms. Allocated memory is still 201.9 MB. Free memory was 156.5 MB in the beginning and 155.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 800.08 ms. Allocated memory is still 201.9 MB. Free memory was 155.1 MB in the beginning and 110.1 MB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 263496.18 ms. Allocated memory was 201.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 109.3 MB in the beginning and 503.3 MB in the end (delta: -394.0 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 72 ProgramPointsBefore, 34 ProgramPointsAfterwards, 82 TransitionsBefore, 39 TransitionsAfterwards, 2430 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 5 ChoiceCompositions, 1186 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4870 CheckedPairsTotal, 52 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 96 ProgramPointsBefore, 48 ProgramPointsAfterwards, 110 TransitionsBefore, 53 TransitionsAfterwards, 6372 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 9 ChoiceCompositions, 2930 VarBasedMoverChecksPositive, 51 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 14264 CheckedPairsTotal, 65 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 120 ProgramPointsBefore, 63 ProgramPointsAfterwards, 138 TransitionsBefore, 69 TransitionsAfterwards, 11826 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 12 ChoiceCompositions, 5233 VarBasedMoverChecksPositive, 93 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 24544 CheckedPairsTotal, 78 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 144 ProgramPointsBefore, 80 ProgramPointsAfterwards, 166 TransitionsBefore, 89 TransitionsAfterwards, 18792 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 28 ConcurrentYvCompositions, 13 ChoiceCompositions, 7988 VarBasedMoverChecksPositive, 96 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 47519 CheckedPairsTotal, 91 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 692]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 692). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 80 places, 89 transitions, 210 flow. Already constructed 341893 states. Currently 46569 states in worklist.. - TimeoutResultAtElement [Line: 692]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 692). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 80 places, 89 transitions, 210 flow. Already constructed 341893 states. Currently 46569 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 2 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 263.2s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 254.9s, HoareTripleCheckerStatistics: 317 SDtfs, 79 SDslu, 74 SDs, 0 SdLazy, 32 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40277occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6592 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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