/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_42-trylock2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 05:33:59,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 05:33:59,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 05:33:59,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 05:33:59,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 05:33:59,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 05:33:59,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 05:34:00,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 05:34:00,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 05:34:00,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 05:34:00,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 05:34:00,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 05:34:00,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 05:34:00,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 05:34:00,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 05:34:00,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 05:34:00,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 05:34:00,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 05:34:00,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 05:34:00,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 05:34:00,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 05:34:00,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 05:34:00,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 05:34:00,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 05:34:00,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-18 05:34:00,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-18 05:34:00,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-18 05:34:00,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-18 05:34:00,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-18 05:34:00,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-18 05:34:00,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 05:34:00,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 05:34:00,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 05:34:00,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 05:34:00,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 05:34:00,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 05:34:00,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 05:34:00,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 05:34:00,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 05:34:00,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 05:34:00,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 05:34:00,076 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-Sleep-NoLbe-Delay.epf [2020-12-18 05:34:00,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 05:34:00,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 05:34:00,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 05:34:00,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 05:34:00,133 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 05:34:00,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 05:34:00,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 05:34:00,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 05:34:00,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 05:34:00,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 05:34:00,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 05:34:00,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 05:34:00,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 05:34:00,137 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 05:34:00,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 05:34:00,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 05:34:00,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 05:34:00,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 05:34:00,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 05:34:00,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 05:34:00,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 05:34:00,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 05:34:00,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 05:34:00,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 05:34:00,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 05:34:00,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 05:34:00,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 05:34:00,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 05:34:00,140 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 05:34:00,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 05:34:00,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 05:34:00,141 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 05:34:00,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 05:34:00,141 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 05:34:00,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 05:34:00,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 05:34:00,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 05:34:00,572 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 05:34:00,576 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 05:34:00,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_42-trylock2_racefree.i [2020-12-18 05:34:00,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc0f26981/3c28246d851c4a109d3efb43cb0ba0f1/FLAGd69c1e088 [2020-12-18 05:34:01,401 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 05:34:01,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_42-trylock2_racefree.i [2020-12-18 05:34:01,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc0f26981/3c28246d851c4a109d3efb43cb0ba0f1/FLAGd69c1e088 [2020-12-18 05:34:01,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc0f26981/3c28246d851c4a109d3efb43cb0ba0f1 [2020-12-18 05:34:01,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 05:34:01,675 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 05:34:01,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 05:34:01,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 05:34:01,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 05:34:01,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:34:01" (1/1) ... [2020-12-18 05:34:01,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5553c486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:01, skipping insertion in model container [2020-12-18 05:34:01,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:34:01" (1/1) ... [2020-12-18 05:34:01,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 05:34:01,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 05:34:02,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 05:34:02,238 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 05:34:02,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 05:34:02,400 INFO L208 MainTranslator]: Completed translation [2020-12-18 05:34:02,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02 WrapperNode [2020-12-18 05:34:02,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 05:34:02,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 05:34:02,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 05:34:02,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 05:34:02,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (1/1) ... [2020-12-18 05:34:02,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (1/1) ... [2020-12-18 05:34:02,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 05:34:02,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 05:34:02,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 05:34:02,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 05:34:02,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (1/1) ... [2020-12-18 05:34:02,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (1/1) ... [2020-12-18 05:34:02,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (1/1) ... [2020-12-18 05:34:02,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (1/1) ... [2020-12-18 05:34:02,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (1/1) ... [2020-12-18 05:34:02,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (1/1) ... [2020-12-18 05:34:02,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (1/1) ... [2020-12-18 05:34:02,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 05:34:02,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 05:34:02,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 05:34:02,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 05:34:02,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (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 [2020-12-18 05:34:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-12-18 05:34:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 05:34:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 05:34:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-18 05:34:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 05:34:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-12-18 05:34:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-12-18 05:34:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 05:34:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 05:34:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 05:34:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 05:34:02,653 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 05:34:03,297 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 05:34:03,297 INFO L298 CfgBuilder]: Removed 43 assume(true) statements. [2020-12-18 05:34:03,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:34:03 BoogieIcfgContainer [2020-12-18 05:34:03,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 05:34:03,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 05:34:03,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 05:34:03,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 05:34:03,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:34:01" (1/3) ... [2020-12-18 05:34:03,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8403a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:34:03, skipping insertion in model container [2020-12-18 05:34:03,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:34:02" (2/3) ... [2020-12-18 05:34:03,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8403a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:34:03, skipping insertion in model container [2020-12-18 05:34:03,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:34:03" (3/3) ... [2020-12-18 05:34:03,311 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_42-trylock2_racefree.i [2020-12-18 05:34:03,327 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 05:34:03,327 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 05:34:03,331 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-18 05:34:03,332 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 05:34:03,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,396 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,396 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,396 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,397 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,406 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,413 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,414 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 05:34:03,421 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-18 05:34:03,435 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-18 05:34:03,458 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 05:34:03,459 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 05:34:03,459 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 05:34:03,459 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 05:34:03,459 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 05:34:03,459 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 05:34:03,460 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 05:34:03,460 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 05:34:05,458 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 1975ms [2020-12-18 05:34:05,458 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 3728 states, but on-demand construction may add more states [2020-12-18 05:34:05,471 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 3728 states, 3429 states have (on average 1.6036745406824147) internal successors, (5499), 3727 states have internal predecessors, (5499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 43 and size of Sequence is : 44[2020-12-18 05:34:05,482 INFO L131 SleepSetCegar]: Size of mCounterexample is: 44 [2020-12-18 05:34:05,482 INFO L132 SleepSetCegar]: [170#[ULTIMATE.startENTRY]don't care, 172#[L-1]don't care, 174#[L-1-1]don't care, 176#[L683]don't care, 178#[L683-1]don't care, 180#[L683-2]don't care, 182#[L683-3]don't care, 184#[L683-4]don't care, 186#[L689]don't care, 188#[L689-1]don't care, 190#[L689-2]don't care, 192#[L689-3]don't care, 194#[L689-4]don't care, 196#[L689-5]don't care, 198#[L690]don't care, 200#[L691]don't care, 202#[L691-1]don't care, 204#[L691-2]don't care, 206#[L691-3]don't care, 208#[L691-4]don't care, 210#[L691-5]don't care, 212#[L691-6]don't care, 214#[L692]don't care, 216#[L692-1]don't care, 218#[L692-2]don't care, 220#[L692-3]don't care, 222#[L692-4]don't care, 224#[L692-5]don't care, 226#[L-1-2]don't care, 228#[L703]don't care, 230#[L703-1]don't care, 232#[L703-10]don't care, 234#[L703-11]don't care, 238#[L704]don't care, 240#[L705-5]don't care, 244#[L705-1]don't care, 246#[L705-2]don't care, 248#[L705-3]don't care, 250#[L684]don't care, 252#[L684-1]don't care, 254#[L684-2]don't care, 258#[L683-5]don't care, 260#[L683-7]don't care, 264#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 05:34:05,483 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 05:34:05,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 05:34:05,489 INFO L82 PathProgramCache]: Analyzing trace with hash -587433646, now seen corresponding path program 1 times [2020-12-18 05:34:05,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 05:34:05,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700920191] [2020-12-18 05:34:05,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 05:34:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 05:34:05,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 05:34:05,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700920191] [2020-12-18 05:34:05,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 05:34:05,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 05:34:05,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620208227] [2020-12-18 05:34:05,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 05:34:05,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 05:34:05,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 05:34:05,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 05:34:05,744 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 05:34:05,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 43 and size of Sequence is : 44[2020-12-18 05:34:05,917 INFO L131 SleepSetCegar]: Size of mCounterexample is: 44 [2020-12-18 05:34:05,917 INFO L132 SleepSetCegar]: [7627#[ULTIMATE.startENTRY]true, 7628#[L-1]true, 7629#[L-1-1]true, 7630#[L683]true, 7631#[L683-1]true, 7632#[L683-2]true, 7633#[L683-3]true, 7634#[L683-4]true, 7635#[L689]true, 7636#[L689-1]true, 7637#[L689-2]true, 7638#[L689-3]true, 7639#[L689-4]true, 7640#[L689-5]true, 7641#[L690]true, 7642#[L691]true, 7643#[L691-1]true, 7644#[L691-2]true, 7645#[L691-3]true, 7646#[L691-4]true, 7647#[L691-5]true, 7648#[L691-6]true, 7649#[L692]true, 7650#[L692-1]true, 7651#[L692-2]true, 7652#[L692-3]true, 7653#[L692-4]true, 7654#[L692-5]true, 7655#[L-1-2]true, 7656#[L703]true, 7657#[L703-1]true, 7658#[L703-10]true, 7659#[L703-11]true, 7739#[L704]true, 7740#[L705-5]true, 7741#[L705-1]true, 7742#[L705-2]true, 7743#[L705-3]true, 7744#[L684]true, 7745#[L684-1]true, 7746#[L684-2]true, 7748#[L683-5]true, 7749#[L683-7]true, 7750#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 05:34:05,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 05:34:05,918 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 05:34:05,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 05:34:05,919 INFO L82 PathProgramCache]: Analyzing trace with hash -458350927, now seen corresponding path program 1 times [2020-12-18 05:34:05,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 05:34:05,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026428713] [2020-12-18 05:34:05,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 05:34:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 05:34:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 05:34:06,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026428713] [2020-12-18 05:34:06,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 05:34:06,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-18 05:34:06,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629822360] [2020-12-18 05:34:06,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 05:34:06,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 05:34:06,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 05:34:06,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 05:34:06,061 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 05:34:06,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 05:34:06,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 05:34:06,088 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@35c4cf4f at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.lambda$0(SleepSetDelayReduction.java:171) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.search(SleepSetDelayReduction.java:172) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:120) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-18 05:34:06,096 INFO L168 Benchmark]: Toolchain (without parser) took 4419.72 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.3 MB in the beginning and 154.2 MB in the end (delta: 123.1 MB). Peak memory consumption was 186.2 MB. Max. memory is 16.0 GB. [2020-12-18 05:34:06,096 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 05:34:06,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.00 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 246.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-12-18 05:34:06,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.65 ms. Allocated memory is still 302.0 MB. Free memory was 246.7 MB in the beginning and 244.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 05:34:06,103 INFO L168 Benchmark]: Boogie Preprocessor took 76.14 ms. Allocated memory is still 302.0 MB. Free memory was 244.5 MB in the beginning and 284.5 MB in the end (delta: -40.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2020-12-18 05:34:06,104 INFO L168 Benchmark]: RCFGBuilder took 757.52 ms. Allocated memory is still 302.0 MB. Free memory was 284.5 MB in the beginning and 248.5 MB in the end (delta: 36.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. [2020-12-18 05:34:06,105 INFO L168 Benchmark]: TraceAbstraction took 2789.89 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 247.5 MB in the beginning and 154.2 MB in the end (delta: 93.3 MB). Peak memory consumption was 156.2 MB. Max. memory is 16.0 GB. [2020-12-18 05:34:06,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 724.00 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 246.7 MB in the end (delta: 30.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 63.65 ms. Allocated memory is still 302.0 MB. Free memory was 246.7 MB in the beginning and 244.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 76.14 ms. Allocated memory is still 302.0 MB. Free memory was 244.5 MB in the beginning and 284.5 MB in the end (delta: -40.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * RCFGBuilder took 757.52 ms. Allocated memory is still 302.0 MB. Free memory was 284.5 MB in the beginning and 248.5 MB in the end (delta: 36.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2789.89 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 247.5 MB in the beginning and 154.2 MB in the end (delta: 93.3 MB). Peak memory consumption was 156.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@35c4cf4f de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@35c4cf4f: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...