/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_22-deref_read_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-21 16:56:03,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-21 16:56:03,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-21 16:56:03,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-21 16:56:03,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-21 16:56:03,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-21 16:56:03,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-21 16:56:03,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-21 16:56:03,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-21 16:56:03,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-21 16:56:03,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-21 16:56:03,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-21 16:56:03,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-21 16:56:03,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-21 16:56:03,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-21 16:56:03,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-21 16:56:03,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-21 16:56:03,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-21 16:56:03,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-21 16:56:03,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-21 16:56:03,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-21 16:56:03,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-21 16:56:03,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-21 16:56:03,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-21 16:56:03,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-21 16:56:03,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-21 16:56:03,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-21 16:56:03,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-21 16:56:03,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-21 16:56:03,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-21 16:56:03,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-21 16:56:03,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-21 16:56:03,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-21 16:56:03,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-21 16:56:03,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-21 16:56:03,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-21 16:56:03,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-21 16:56:03,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-21 16:56:03,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-21 16:56:03,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-21 16:56:03,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-21 16:56:03,495 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 [2021-01-21 16:56:03,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-21 16:56:03,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-21 16:56:03,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-21 16:56:03,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-21 16:56:03,536 INFO L138 SettingsManager]: * Use SBE=true [2021-01-21 16:56:03,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-21 16:56:03,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-21 16:56:03,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-21 16:56:03,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-21 16:56:03,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-21 16:56:03,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-21 16:56:03,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-21 16:56:03,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-21 16:56:03,539 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-21 16:56:03,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-21 16:56:03,540 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-21 16:56:03,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-21 16:56:03,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-21 16:56:03,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-21 16:56:03,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-21 16:56:03,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-21 16:56:03,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-21 16:56:03,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-21 16:56:03,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-21 16:56:03,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-21 16:56:03,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-21 16:56:03,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-21 16:56:03,543 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-21 16:56:03,543 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-21 16:56:03,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-21 16:56:03,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-21 16:56:03,544 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-21 16:56:03,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-21 16:56:03,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-21 16:56:03,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-21 16:56:03,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-21 16:56:03,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-21 16:56:03,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-21 16:56:03,989 INFO L275 PluginConnector]: CDTParser initialized [2021-01-21 16:56:03,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i [2021-01-21 16:56:04,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d20727a9/04aeb8bae3804b45bbb396257dab35d3/FLAGbbeb1be8e [2021-01-21 16:56:04,837 INFO L306 CDTParser]: Found 1 translation units. [2021-01-21 16:56:04,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i [2021-01-21 16:56:04,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d20727a9/04aeb8bae3804b45bbb396257dab35d3/FLAGbbeb1be8e [2021-01-21 16:56:05,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d20727a9/04aeb8bae3804b45bbb396257dab35d3 [2021-01-21 16:56:05,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-21 16:56:05,147 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-21 16:56:05,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-21 16:56:05,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-21 16:56:05,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-21 16:56:05,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:05,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f1fea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05, skipping insertion in model container [2021-01-21 16:56:05,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:05,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-21 16:56:05,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-21 16:56:05,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-21 16:56:05,725 INFO L203 MainTranslator]: Completed pre-run [2021-01-21 16:56:05,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-21 16:56:05,956 INFO L208 MainTranslator]: Completed translation [2021-01-21 16:56:05,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05 WrapperNode [2021-01-21 16:56:05,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-21 16:56:05,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-21 16:56:05,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-21 16:56:05,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-21 16:56:05,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:06,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:06,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-21 16:56:06,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-21 16:56:06,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-21 16:56:06,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-21 16:56:06,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:06,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:06,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:06,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:06,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:06,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:06,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (1/1) ... [2021-01-21 16:56:06,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-21 16:56:06,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-21 16:56:06,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-21 16:56:06,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-21 16:56:06,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (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 [2021-01-21 16:56:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-21 16:56:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-21 16:56:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-21 16:56:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-21 16:56:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-21 16:56:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-21 16:56:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-21 16:56:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-21 16:56:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-21 16:56:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-21 16:56:06,279 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-21 16:56:06,808 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-21 16:56:06,808 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2021-01-21 16:56:06,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 04:56:06 BoogieIcfgContainer [2021-01-21 16:56:06,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-21 16:56:06,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-21 16:56:06,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-21 16:56:06,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-21 16:56:06,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 04:56:05" (1/3) ... [2021-01-21 16:56:06,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259da078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 04:56:06, skipping insertion in model container [2021-01-21 16:56:06,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:05" (2/3) ... [2021-01-21 16:56:06,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259da078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 04:56:06, skipping insertion in model container [2021-01-21 16:56:06,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 04:56:06" (3/3) ... [2021-01-21 16:56:06,818 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_22-deref_read_racefree.i [2021-01-21 16:56:06,834 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-21 16:56:06,834 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-21 16:56:06,838 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-21 16:56:06,839 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-21 16:56:06,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:06,890 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-21 16:56:06,900 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-21 16:56:06,922 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-21 16:56:06,922 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-21 16:56:06,922 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-21 16:56:06,922 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-21 16:56:06,922 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-21 16:56:06,923 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-21 16:56:06,923 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-21 16:56:06,923 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-21 16:56:06,981 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 17ms [2021-01-21 16:56:06,990 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:06,999 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,004 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,018 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,022 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,030 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,036 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,074 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,085 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,128 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 16ms [2021-01-21 16:56:07,136 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,144 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,149 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,158 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,166 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,172 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,178 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,185 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,190 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,194 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:07,197 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:07,218 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,225 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,231 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,239 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:07,243 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:07,246 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:07,255 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,262 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,269 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,274 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,284 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,291 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,298 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,302 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,310 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,316 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,325 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,330 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,336 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,341 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,344 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:07,348 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:07,355 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,360 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,365 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,369 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:07,382 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,388 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,398 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:56:07,406 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:07,412 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:07,415 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:07,423 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,434 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,443 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:07,457 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:07,470 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 10ms [2021-01-21 16:56:07,478 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,486 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,493 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,500 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,505 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:07,520 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,526 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,534 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,542 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,549 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,555 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:07,562 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,570 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:07,583 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 640ms [2021-01-21 16:56:07,583 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 974 states, but on-demand construction may add more states [2021-01-21 16:56:07,590 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 974 states, 938 states have (on average 1.8635394456289978) internal successors, (1748), 973 states have internal predecessors, (1748), 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: 41 and size of Sequence is : 42[2021-01-21 16:56:07,601 INFO L131 SleepSetCegar]: Size of mCounterexample is: 42 [2021-01-21 16:56:07,602 INFO L132 SleepSetCegar]: [95#[ULTIMATE.startENTRY]don't care, 97#[L-1]don't care, 99#[L-1-1]don't care, 101#[L683]don't care, 103#[L683-1]don't care, 105#[L683-2]don't care, 107#[L683-3]don't care, 109#[L683-4]don't care, 111#[L689]don't care, 113#[L689-1]don't care, 115#[L689-2]don't care, 117#[L689-3]don't care, 119#[L689-4]don't care, 121#[L689-5]don't care, 123#[L690]don't care, 125#[L690-1]don't care, 127#[L691]don't care, 129#[L692]don't care, 131#[L692-1]don't care, 133#[L692-2]don't care, 135#[L692-3]don't care, 137#[L692-4]don't care, 139#[L692-5]don't care, 141#[L692-6]don't care, 143#[L-1-2]don't care, 145#[L700]don't care, 147#[L700-1]don't care, 149#[L700-10]don't care, 151#[L700-11]don't care, 155#[L702]don't care, 157#[L702-1]don't care, 159#[L703-7]don't care, 163#[L703-1]don't care, 165#[L703-2]don't care, 167#[L703-3]don't care, 169#[L703-4]don't care, 171#[L684]don't care, 173#[L684-1]don't care, 177#[L684-2]don't care, 179#[L683-5]don't care, 183#[L683-7]don't care, 187#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-21 16:56:07,602 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:56:07,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:56:07,609 INFO L82 PathProgramCache]: Analyzing trace with hash -427789298, now seen corresponding path program 1 times [2021-01-21 16:56:07,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:56:07,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202869412] [2021-01-21 16:56:07,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:56:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:56:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:56:07,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202869412] [2021-01-21 16:56:07,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-21 16:56:07,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-21 16:56:07,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345515912] [2021-01-21 16:56:07,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-21 16:56:07,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:56:07,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-21 16:56:07,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-21 16:56:07,899 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:56:07,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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) [2021-01-21 16:56:07,919 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:07,930 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms Size of Word is: 41 and size of Sequence is : 42[2021-01-21 16:56:07,934 INFO L131 SleepSetCegar]: Size of mCounterexample is: 42 [2021-01-21 16:56:07,934 INFO L132 SleepSetCegar]: [2044#[ULTIMATE.startENTRY]true, 2045#[L-1]true, 2046#[L-1-1]true, 2047#[L683]true, 2048#[L683-1]true, 2049#[L683-2]true, 2050#[L683-3]true, 2051#[L683-4]true, 2052#[L689]true, 2053#[L689-1]true, 2054#[L689-2]true, 2055#[L689-3]true, 2056#[L689-4]true, 2057#[L689-5]true, 2058#[L690]true, 2059#[L690-1]true, 2060#[L691]true, 2061#[L692]true, 2062#[L692-1]true, 2063#[L692-2]true, 2064#[L692-3]true, 2065#[L692-4]true, 2066#[L692-5]true, 2067#[L692-6]true, 2068#[L-1-2]true, 2069#[L700]true, 2070#[L700-1]true, 2071#[L700-10]true, 2073#[L700-11]true, 2100#[L702]true, 2101#[L702-1]true, 2102#[L703-7]true, 2103#[L703-1]true, 2104#[L703-2]true, 2105#[L703-3]true, 2106#[L703-4]true, 2107#[L684]true, 2108#[L684-1]true, 2109#[L684-2]true, 2111#[L683-5]true, 2112#[L683-7]true, 2113#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-21 16:56:07,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-21 16:56:07,935 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:56:07,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:56:07,936 INFO L82 PathProgramCache]: Analyzing trace with hash -933347923, now seen corresponding path program 1 times [2021-01-21 16:56:07,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:56:07,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869437473] [2021-01-21 16:56:07,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:56:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:56:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:56:08,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869437473] [2021-01-21 16:56:08,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-21 16:56:08,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-21 16:56:08,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894795785] [2021-01-21 16:56:08,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-21 16:56:08,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:56:08,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-21 16:56:08,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-21 16:56:08,104 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:56:08,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-01-21 16:56:08,119 WARN L141 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-21 16:56:08,120 WARN L144 IndependenceRelation]: Script Release Time: 1ms [2021-01-21 16:56:08,126 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:08,132 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,145 WARN L141 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-21 16:56:08,146 WARN L144 IndependenceRelation]: Script Release Time: 1ms [2021-01-21 16:56:08,152 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:08,160 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:08,174 WARN L141 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-21 16:56:08,175 WARN L144 IndependenceRelation]: Script Release Time: 1ms [2021-01-21 16:56:08,181 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:08,184 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,190 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,195 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,202 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,205 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,211 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,216 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,222 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,225 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,231 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,236 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,242 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,245 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,251 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,255 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,261 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,263 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,269 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,274 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,279 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,282 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,287 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,292 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,297 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,300 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,305 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,310 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,316 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,319 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,324 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,329 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,334 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,337 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,342 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,347 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,353 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:08,358 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,362 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,365 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,372 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:08,382 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:56:08,390 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:56:08,396 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:08,404 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,407 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,413 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,417 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,426 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:08,432 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:08,436 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,439 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,445 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,450 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,453 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,457 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,460 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,462 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,468 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,472 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,477 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,481 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,488 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:08,495 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:08,499 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,506 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:08,569 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,630 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 39ms [2021-01-21 16:56:08,645 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 13ms [2021-01-21 16:56:08,650 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,654 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,658 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,662 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,666 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,669 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,672 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,677 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,682 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,687 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,692 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,696 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,700 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,705 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,710 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,714 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,717 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 1ms [2021-01-21 16:56:08,722 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:08,727 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,735 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:08,738 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:08,743 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:08,747 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms Size of Word is: 48 and size of Sequence is : 49[2021-01-21 16:56:08,748 INFO L131 SleepSetCegar]: Size of mCounterexample is: 49 [2021-01-21 16:56:08,749 INFO L132 SleepSetCegar]: [2118#[ULTIMATE.startENTRY]true, 2120#[L-1]true, 2122#[L-1-1]true, 2124#[L683]true, 2126#[L683-1]true, 2128#[L683-2]true, 2130#[L683-3]true, 2132#[L683-4]true, 2134#[L689]true, 2136#[L689-1]true, 2138#[L689-2]true, 2140#[L689-3]true, 2142#[L689-4]true, 2144#[L689-5]true, 2146#[L690]true, 2148#[L690-1]true, 2150#[L691]true, 2152#[L692]true, 2154#[L692-1]true, 2156#[L692-2]true, 2158#[L692-3]true, 2160#[L692-4]true, 2162#[L692-5]true, 2164#[L692-6]true, 2166#[L-1-2]true, 2168#[L700]true, 2170#[L700-1]true, 2172#[L700-10](= ULTIMATE.start_main_~i~0 0), 2178#[L700-4](= ULTIMATE.start_main_~i~0 0), 2286#[L700-5](= ULTIMATE.start_main_~i~0 0), 2289#[L700-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 2295#[L700-7, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 2301#[L700-8, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 2307#[L700-9, t_funENTRY]true, 2311#[L700-10, t_funENTRY]true, 2320#[L700-11, t_funENTRY]true, 2328#[L702, t_funENTRY]true, 2334#[L702-1, t_funENTRY]true, 2338#[L703-7, t_funENTRY]true, 2347#[L703-1, t_funENTRY]true, 2355#[L703-2, t_funENTRY]true, 2361#[L703-3, t_funENTRY]true, 2367#[L703-4, t_funENTRY]true, 2373#[L684, t_funENTRY]true, 2377#[L684-1, t_funENTRY]true, 2386#[L684-2, t_funENTRY]true, 2394#[L683-5, t_funENTRY]true, 2401#[L683-7, t_funENTRY]true, 3762#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funENTRY]true] [2021-01-21 16:56:08,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-21 16:56:08,750 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:56:08,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:56:08,750 INFO L82 PathProgramCache]: Analyzing trace with hash -207360428, now seen corresponding path program 1 times [2021-01-21 16:56:08,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:56:08,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524190597] [2021-01-21 16:56:08,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:56:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:56:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:56:08,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524190597] [2021-01-21 16:56:08,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928831453] [2021-01-21 16:56:08,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-21 16:56:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:56:09,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-21 16:56:09,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-21 16:56:09,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:56:09,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-21 16:56:09,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-21 16:56:09,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086575058] [2021-01-21 16:56:09,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-21 16:56:09,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:56:09,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-21 16:56:09,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-21 16:56:09,120 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:56:09,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2021-01-21 16:56:09,141 WARN L141 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-21 16:56:09,141 WARN L144 IndependenceRelation]: Script Release Time: 0ms [2021-01-21 16:56:09,148 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:09,155 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:09,194 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:09,199 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms Size of Word is: 37 and size of Sequence is : 38[2021-01-21 16:56:09,212 INFO L131 SleepSetCegar]: Size of mCounterexample is: 38 [2021-01-21 16:56:09,213 INFO L132 SleepSetCegar]: [3912#[ULTIMATE.startENTRY]true, 3914#[L-1]true, 3916#[L-1-1]true, 3918#[L683]true, 3920#[L683-1]true, 3922#[L683-2]true, 3924#[L683-3]true, 3926#[L683-4]true, 3928#[L689]true, 3930#[L689-1]true, 3932#[L689-2]true, 3934#[L689-3]true, 3936#[L689-4]true, 3938#[L689-5]true, 3940#[L690]true, 3942#[L690-1]true, 3944#[L691]true, 3946#[L692]true, 3948#[L692-1]true, 3950#[L692-2]true, 3952#[L692-3]true, 3954#[L692-4]true, 3956#[L692-5]true, 3958#[L692-6]true, 3960#[L-1-2]true, 3962#[L700]true, 3964#[L700-1]true, 3966#[L700-10](= ULTIMATE.start_main_~i~0 0), 3972#[L700-4](= ULTIMATE.start_main_~i~0 0), 4070#[L700-5](= ULTIMATE.start_main_~i~0 0), 4072#[L700-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 4076#[L700-7, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 4082#[L700-8, t_funENTRY](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post12| 0)), 4088#[L700-9, t_funENTRY](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 4090#[L700-10, t_funENTRY](<= ULTIMATE.start_main_~i~0 1), 4098#[L700-4, t_funENTRY](<= ULTIMATE.start_main_~i~0 1), 4108#[L700-5, t_funENTRY](<= ULTIMATE.start_main_~i~0 1), 4116#[ULTIMATE.startErr0INUSE_VIOLATION, t_funENTRY](<= ULTIMATE.start_main_~i~0 1)] [2021-01-21 16:56:09,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-21 16:56:09,414 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:56:09,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:56:09,414 INFO L82 PathProgramCache]: Analyzing trace with hash 713327690, now seen corresponding path program 1 times [2021-01-21 16:56:09,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:56:09,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960944983] [2021-01-21 16:56:09,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:56:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-21 16:56:09,447 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-21 16:56:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-21 16:56:09,497 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-21 16:56:09,542 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-21 16:56:09,542 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-21 16:56:09,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-21 16:56:09,543 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-21 16:56:09,543 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-21 16:56:09,554 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@1a223ba0 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadAuxiliaryVariable(ThreadInstanceAdder.java:479) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInUseVariable(ThreadInstanceAdder.java:458) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstance(ThreadInstanceAdder.java:438) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:410) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) 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) [2021-01-21 16:56:09,563 INFO L168 Benchmark]: Toolchain (without parser) took 4413.57 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 276.6 MB in the beginning and 274.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:09,564 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-21 16:56:09,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.38 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 247.0 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:09,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.77 ms. Allocated memory is still 302.0 MB. Free memory was 246.8 MB in the beginning and 285.4 MB in the end (delta: -38.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:09,568 INFO L168 Benchmark]: Boogie Preprocessor took 103.71 ms. Allocated memory is still 302.0 MB. Free memory was 284.3 MB in the beginning and 283.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:09,570 INFO L168 Benchmark]: RCFGBuilder took 627.23 ms. Allocated memory is still 302.0 MB. Free memory was 283.3 MB in the beginning and 257.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:09,577 INFO L168 Benchmark]: TraceAbstraction took 2747.79 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 257.1 MB in the beginning and 274.8 MB in the end (delta: -17.8 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:09,588 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 271.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 809.38 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 247.0 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 114.77 ms. Allocated memory is still 302.0 MB. Free memory was 246.8 MB in the beginning and 285.4 MB in the end (delta: -38.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 103.71 ms. Allocated memory is still 302.0 MB. Free memory was 284.3 MB in the beginning and 283.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 627.23 ms. Allocated memory is still 302.0 MB. Free memory was 283.3 MB in the beginning and 257.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2747.79 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 257.1 MB in the beginning and 274.8 MB in the end (delta: -17.8 MB). Peak memory consumption was 45.1 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@1a223ba0 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@1a223ba0: 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...