/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-New_States.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 03:07:22,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 03:07:22,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 03:07:22,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 03:07:22,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 03:07:22,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 03:07:22,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 03:07:22,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 03:07:22,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 03:07:22,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 03:07:22,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 03:07:22,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 03:07:22,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 03:07:22,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 03:07:22,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 03:07:22,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 03:07:22,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 03:07:22,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 03:07:22,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 03:07:22,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 03:07:22,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 03:07:22,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 03:07:22,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 03:07:22,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 03:07:22,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-27 03:07:22,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-27 03:07:22,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-27 03:07:22,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-27 03:07:22,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-27 03:07:22,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-27 03:07:22,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 03:07:22,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 03:07:22,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 03:07:22,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 03:07:22,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 03:07:22,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 03:07:22,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 03:07:22,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 03:07:22,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 03:07:22,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 03:07:22,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 03:07:22,329 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-New_States.epf [2021-01-27 03:07:22,400 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 03:07:22,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 03:07:22,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 03:07:22,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 03:07:22,412 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 03:07:22,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 03:07:22,413 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 03:07:22,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 03:07:22,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 03:07:22,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 03:07:22,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 03:07:22,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 03:07:22,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 03:07:22,417 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 03:07:22,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 03:07:22,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 03:07:22,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 03:07:22,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 03:07:22,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 03:07:22,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 03:07:22,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 03:07:22,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 03:07:22,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 03:07:22,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 03:07:22,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 03:07:22,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 03:07:22,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 03:07:22,420 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 03:07:22,420 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 03:07:22,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 03:07:22,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 03:07:22,421 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 03:07:22,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 03:07:22,422 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 03:07:22,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 03:07:23,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 03:07:23,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 03:07:23,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 03:07:23,013 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 03:07:23,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i [2021-01-27 03:07:23,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6698720/4b925a84f87d424889662d47512a5d24/FLAGf1d6aa5a3 [2021-01-27 03:07:24,138 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 03:07:24,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i [2021-01-27 03:07:24,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6698720/4b925a84f87d424889662d47512a5d24/FLAGf1d6aa5a3 [2021-01-27 03:07:24,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6698720/4b925a84f87d424889662d47512a5d24 [2021-01-27 03:07:24,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 03:07:24,278 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 03:07:24,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 03:07:24,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 03:07:24,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 03:07:24,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:07:24" (1/1) ... [2021-01-27 03:07:24,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13463377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:24, skipping insertion in model container [2021-01-27 03:07:24,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:07:24" (1/1) ... [2021-01-27 03:07:24,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 03:07:24,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 03:07:24,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:07:24,919 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 03:07:24,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:07:25,167 INFO L208 MainTranslator]: Completed translation [2021-01-27 03:07:25,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25 WrapperNode [2021-01-27 03:07:25,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 03:07:25,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 03:07:25,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 03:07:25,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 03:07:25,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (1/1) ... [2021-01-27 03:07:25,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (1/1) ... [2021-01-27 03:07:25,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 03:07:25,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 03:07:25,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 03:07:25,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 03:07:25,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (1/1) ... [2021-01-27 03:07:25,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (1/1) ... [2021-01-27 03:07:25,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (1/1) ... [2021-01-27 03:07:25,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (1/1) ... [2021-01-27 03:07:25,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (1/1) ... [2021-01-27 03:07:25,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (1/1) ... [2021-01-27 03:07:25,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (1/1) ... [2021-01-27 03:07:25,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 03:07:25,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 03:07:25,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 03:07:25,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 03:07:25,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (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 [2021-01-27 03:07:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-01-27 03:07:25,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-01-27 03:07:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-01-27 03:07:25,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-01-27 03:07:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 03:07:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 03:07:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 03:07:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 03:07:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 03:07:25,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 03:07:25,437 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 03:07:26,188 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 03:07:26,189 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2021-01-27 03:07:26,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:07:26 BoogieIcfgContainer [2021-01-27 03:07:26,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 03:07:26,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 03:07:26,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 03:07:26,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 03:07:26,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:07:24" (1/3) ... [2021-01-27 03:07:26,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4103fbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:07:26, skipping insertion in model container [2021-01-27 03:07:26,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:25" (2/3) ... [2021-01-27 03:07:26,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4103fbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:07:26, skipping insertion in model container [2021-01-27 03:07:26,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:07:26" (3/3) ... [2021-01-27 03:07:26,209 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-1.i [2021-01-27 03:07:26,235 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 03:07:26,236 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 03:07:26,242 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 03:07:26,243 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 03:07:26,317 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,320 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,320 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,321 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,321 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,322 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,322 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,322 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,324 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,349 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,350 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,350 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,351 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,351 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,362 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:07:26,369 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-27 03:07:26,386 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-27 03:07:26,445 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 03:07:26,445 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 03:07:26,445 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 03:07:26,445 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 03:07:26,445 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 03:07:26,446 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 03:07:26,446 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 03:07:26,446 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 53 and size of Sequence is : 54[2021-01-27 03:07:26,565 INFO L164 SleepSetCegar]: Size of mCounterexample is: 54 [2021-01-27 03:07:26,566 INFO L165 SleepSetCegar]: [74#[ULTIMATE.startENTRY]don't care, 77#[L-1]don't care, 80#[L-1-1]don't care, 83#[L683]don't care, 86#[L683-1]don't care, 89#[L683-2]don't care, 92#[L683-3]don't care, 95#[L683-4]don't care, 98#[L691]don't care, 101#[L-1-2]don't care, 104#[L-1-3]don't care, 107#[L-1-4]don't care, 110#[L700]don't care, 113#[L700-1]don't care, 116#[L701]don't care, 119#[L701-1]don't care, 122#[L701-2]don't care, 125#[L703]don't care, 128#[L704]don't care, 131#[L704-1]don't care, 134#[L705]don't care, 137#[L705-1]don't care, 140#[L686]don't care, 143#[L687]don't care, 146#[L687-1]don't care, 148#[L686-1]don't care, 153#[L706]don't care, 156#[L706-1, thr1ENTRY]don't care, 161#[L706-1, L693]don't care, 167#[L693-1, L706-1]don't care, 173#[L706-1, L689]don't care, 179#[L706-1, L689-1]don't care, 185#[L706-1, L689-2]don't care, 194#[L683, L706-1]don't care, 200#[L706-1, L683-4]don't care, 187#[L689-4, L706-1]don't care, 213#[L706-1, thr1EXIT]don't care, 217#[L707, thr1EXIT]don't care, 220#[L707-6, thr1EXIT]don't care, 225#[thr1EXIT, L708]don't care, 258#[L708-1, thr1EXIT]don't care, 261#[L708-2, thr2ENTRY, thr1EXIT]don't care, 266#[L707-3, thr2ENTRY, thr1EXIT]don't care, 270#[L696, L707-3, thr1EXIT]don't care, 276#[L697, L707-3, thr1EXIT]don't care, 282#[L707-3, L698, thr1EXIT]don't care, 288#[L707-3, thr2FINAL, thr1EXIT]don't care, 296#[L707-3, thr2EXIT, thr1EXIT]don't care, 300#[L707-4, thr2EXIT, thr1EXIT]don't care, 303#[thr2EXIT, L707-5, thr1EXIT]don't care, 306#[thr2EXIT, L707-6, thr1EXIT]don't care, 311#[thr2EXIT, thr1EXIT, L708]don't care, 336#[L708-1, thr2EXIT, thr1EXIT]don't care, 339#[ULTIMATE.startErr1INUSE_VIOLATION, thr2EXIT, thr1EXIT]don't care] [2021-01-27 03:07:26,567 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-27 03:07:26,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:07:26,574 INFO L82 PathProgramCache]: Analyzing trace with hash -786811397, now seen corresponding path program 1 times [2021-01-27 03:07:26,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:07:26,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306992800] [2021-01-27 03:07:26,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:07:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:07:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-27 03:07:26,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306992800] [2021-01-27 03:07:26,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:07:26,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 03:07:26,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239965111] [2021-01-27 03:07:26,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 03:07:26,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:07:26,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 03:07:26,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 03:07:26,946 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:07:26,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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: 34 and size of Sequence is : 35[2021-01-27 03:07:26,963 INFO L164 SleepSetCegar]: Size of mCounterexample is: 35 [2021-01-27 03:07:26,964 INFO L165 SleepSetCegar]: [343#[ULTIMATE.startENTRY]true, 345#[L-1]true, 347#[L-1-1]true, 349#[L683]true, 351#[L683-1]true, 353#[L683-2]true, 355#[L683-3]true, 357#[L683-4]true, 359#[L691]true, 361#[L-1-2]true, 363#[L-1-3]true, 365#[L-1-4]true, 367#[L700]true, 369#[L700-1]true, 371#[L701]true, 373#[L701-1]true, 375#[L701-2]true, 377#[L703]true, 379#[L704]true, 381#[L704-1]true, 383#[L705]true, 385#[L705-1]true, 387#[L686]true, 389#[L687]true, 392#[L686-1]true, 397#[L706]true, 399#[L706-1, thr1ENTRY]true, 402#[L706-1, L693]true, 406#[L693-1, L706-1]true, 410#[L706-1, L689]true, 414#[L706-1, L689-1]true, 418#[L706-1, L689-2]true, 424#[L683, L706-1]true, 429#[L706-1, L683-2]true, 441#[thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, L706-1]true] [2021-01-27 03:07:26,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 03:07:26,968 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-27 03:07:26,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:07:26,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1312429080, now seen corresponding path program 1 times [2021-01-27 03:07:26,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:07:26,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344425452] [2021-01-27 03:07:26,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:07:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:07:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:07:27,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344425452] [2021-01-27 03:07:27,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:07:27,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-27 03:07:27,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776445758] [2021-01-27 03:07:27,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-27 03:07:27,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:07:27,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-27 03:07:27,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-27 03:07:27,349 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:07:27,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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: 49 and size of Sequence is : 50[2021-01-27 03:07:27,639 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-27 03:07:27,641 INFO L165 SleepSetCegar]: [452#[ULTIMATE.startENTRY]true, 455#[L-1]true, 458#[L-1-1]true, 461#[L683]true, 464#[L683-1]true, 467#[L683-2]true, 470#[L683-3]true, 473#[L683-4]true, 476#[L691](= ~x~0 0), 479#[L-1-2](= ~x~0 0), 482#[L-1-3](= ~x~0 0), 485#[L-1-4](= ~x~0 0), 488#[L700](= ~x~0 0), 491#[L700-1](= ~x~0 0), 494#[L701](= ~x~0 0), 497#[L701-1](= ~x~0 0), 500#[L701-2](= ~x~0 0), 503#[L703](= ~x~0 0), 506#[L704](= ~x~0 0), 509#[L704-1](= ~x~0 0), 512#[L705](= ~x~0 0), 517#[L705-1](and (= ~x~0 0) (or (<= 20 ~n~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0))), 520#[L686](and (= ~x~0 0) (or (<= 20 ~n~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0))), 525#[L687](let ((.cse0 (= ~x~0 0))) (let ((.cse1 (and .cse0 (<= 20 ~n~0)))) (and .cse0 (or (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) .cse1) (or (= ULTIMATE.start_assume_abort_if_not_~cond 0) .cse1)))), 530#[L686-1](and (= ~x~0 0) (<= 20 ~n~0)), 537#[L706](and (= ~x~0 0) (<= 20 ~n~0)), 540#[L706-1, thr1ENTRY](and (= ~x~0 0) (<= 20 ~n~0)), 545#[L706-1, L693](and (= ~x~0 0) (<= 20 ~n~0)), 553#[L693-1, L706-1](and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 559#[L706-1, L689](and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 567#[L706-1, L689-1](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 575#[L689-4, L706-1](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 584#[L706-1, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 589#[L707, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 593#[L707-6, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 603#[thr1EXIT, L708](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 637#[L708-1, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 641#[L708-2, thr2ENTRY, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 648#[L707-3, thr2ENTRY, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 654#[L696, L707-3, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 662#[L697, L707-3, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 670#[L707-3, L698, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 680#[L707-3, thr2FINAL, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 690#[L707-3, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 695#[L707-4, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 699#[thr2EXIT, L707-5, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 703#[thr2EXIT, L707-6, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 713#[thr2EXIT, thr1EXIT, L708](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 746#[L708-1, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 750#[ULTIMATE.startErr1INUSE_VIOLATION, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0)))] [2021-01-27 03:07:27,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 03:07:27,642 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-27 03:07:27,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:07:27,643 INFO L82 PathProgramCache]: Analyzing trace with hash -560463023, now seen corresponding path program 1 times [2021-01-27 03:07:27,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:07:27,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862053377] [2021-01-27 03:07:27,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:07:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:07:27,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:07:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:07:27,778 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:07:27,837 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-27 03:07:27,837 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-27 03:07:27,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-27 03:07:27,839 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-27 03:07:27,839 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-27 03:07:27,846 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@478754e 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) [2021-01-27 03:07:27,853 INFO L168 Benchmark]: Toolchain (without parser) took 3585.51 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 178.1 MB in the end (delta: 98.2 MB). Peak memory consumption was 97.0 MB. Max. memory is 16.0 GB. [2021-01-27 03:07:27,854 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 272.8 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 03:07:27,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.22 ms. Allocated memory is still 302.0 MB. Free memory was 275.3 MB in the beginning and 278.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.0 GB. [2021-01-27 03:07:27,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.96 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 276.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 03:07:27,857 INFO L168 Benchmark]: Boogie Preprocessor took 56.39 ms. Allocated memory is still 302.0 MB. Free memory was 275.6 MB in the beginning and 274.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 03:07:27,858 INFO L168 Benchmark]: RCFGBuilder took 874.84 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 252.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:07:27,859 INFO L168 Benchmark]: TraceAbstraction took 1651.56 ms. Allocated memory is still 302.0 MB. Free memory was 252.5 MB in the beginning and 178.1 MB in the end (delta: 74.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.0 GB. [2021-01-27 03:07:27,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 302.0 MB. Free memory was 272.9 MB in the beginning and 272.8 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 889.22 ms. Allocated memory is still 302.0 MB. Free memory was 275.3 MB in the beginning and 278.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 88.96 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 276.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 56.39 ms. Allocated memory is still 302.0 MB. Free memory was 275.6 MB in the beginning and 274.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 874.84 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 252.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1651.56 ms. Allocated memory is still 302.0 MB. Free memory was 252.5 MB in the beginning and 178.1 MB in the end (delta: 74.4 MB). Peak memory consumption was 73.4 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@478754e de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@478754e: 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...