/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/pthread/sigma.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 20:51:51,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 20:51:51,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 20:51:51,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 20:51:51,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 20:51:51,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 20:51:51,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 20:51:51,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 20:51:51,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 20:51:51,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 20:51:51,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 20:51:51,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 20:51:51,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 20:51:51,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 20:51:51,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 20:51:51,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 20:51:51,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 20:51:51,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 20:51:51,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 20:51:51,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 20:51:51,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 20:51:51,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 20:51:51,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 20:51:51,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 20:51:51,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-26 20:51:51,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-26 20:51:51,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-26 20:51:51,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-26 20:51:51,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-26 20:51:51,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-26 20:51:51,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 20:51:51,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 20:51:51,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 20:51:51,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 20:51:51,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 20:51:51,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 20:51:51,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 20:51:51,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 20:51:51,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 20:51:51,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 20:51:51,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 20:51:51,285 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 [2021-01-26 20:51:51,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 20:51:51,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 20:51:51,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 20:51:51,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 20:51:51,345 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 20:51:51,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 20:51:51,346 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 20:51:51,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 20:51:51,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 20:51:51,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 20:51:51,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 20:51:51,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 20:51:51,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 20:51:51,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 20:51:51,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 20:51:51,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 20:51:51,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 20:51:51,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 20:51:51,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 20:51:51,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 20:51:51,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 20:51:51,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 20:51:51,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 20:51:51,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 20:51:51,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 20:51:51,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 20:51:51,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 20:51:51,353 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 20:51:51,353 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 20:51:51,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 20:51:51,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 20:51:51,354 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 20:51:51,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 20:51:51,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 20:51:51,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 20:51:51,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 20:51:51,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 20:51:51,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 20:51:51,850 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 20:51:51,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sigma.i [2021-01-26 20:51:51,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717049d17/a53bcb8d5b6a4017897de1ccb8f1328c/FLAG55a47608f [2021-01-26 20:51:52,759 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 20:51:52,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sigma.i [2021-01-26 20:51:52,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717049d17/a53bcb8d5b6a4017897de1ccb8f1328c/FLAG55a47608f [2021-01-26 20:51:52,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717049d17/a53bcb8d5b6a4017897de1ccb8f1328c [2021-01-26 20:51:52,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 20:51:52,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 20:51:52,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 20:51:52,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 20:51:52,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 20:51:52,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 08:51:52" (1/1) ... [2021-01-26 20:51:52,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4205d68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:52, skipping insertion in model container [2021-01-26 20:51:52,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 08:51:52" (1/1) ... [2021-01-26 20:51:52,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 20:51:53,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 20:51:53,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 20:51:53,609 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 20:51:53,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 20:51:53,921 INFO L208 MainTranslator]: Completed translation [2021-01-26 20:51:53,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53 WrapperNode [2021-01-26 20:51:53,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 20:51:53,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 20:51:53,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 20:51:53,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 20:51:53,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (1/1) ... [2021-01-26 20:51:53,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (1/1) ... [2021-01-26 20:51:53,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 20:51:53,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 20:51:53,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 20:51:53,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 20:51:54,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (1/1) ... [2021-01-26 20:51:54,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (1/1) ... [2021-01-26 20:51:54,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (1/1) ... [2021-01-26 20:51:54,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (1/1) ... [2021-01-26 20:51:54,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (1/1) ... [2021-01-26 20:51:54,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (1/1) ... [2021-01-26 20:51:54,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (1/1) ... [2021-01-26 20:51:54,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 20:51:54,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 20:51:54,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 20:51:54,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 20:51:54,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (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 [2021-01-26 20:51:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 20:51:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-01-26 20:51:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 20:51:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 20:51:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 20:51:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-01-26 20:51:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-26 20:51:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 20:51:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-01-26 20:51:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-01-26 20:51:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 20:51:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 20:51:54,157 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 20:51:54,779 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 20:51:54,779 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2021-01-26 20:51:54,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 08:51:54 BoogieIcfgContainer [2021-01-26 20:51:54,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 20:51:54,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 20:51:54,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 20:51:54,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 20:51:54,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 08:51:52" (1/3) ... [2021-01-26 20:51:54,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a5aa72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 08:51:54, skipping insertion in model container [2021-01-26 20:51:54,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 08:51:53" (2/3) ... [2021-01-26 20:51:54,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a5aa72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 08:51:54, skipping insertion in model container [2021-01-26 20:51:54,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 08:51:54" (3/3) ... [2021-01-26 20:51:54,790 INFO L111 eAbstractionObserver]: Analyzing ICFG sigma.i [2021-01-26 20:51:54,806 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 20:51:54,807 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 20:51:54,810 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 20:51:54,811 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 20:51:54,842 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,843 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,843 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,843 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,843 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,844 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,844 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,844 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,845 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,845 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,845 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,845 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,847 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,848 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,848 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,848 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 20:51:54,860 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-26 20:51:54,874 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-26 20:51:54,900 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 20:51:54,900 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 20:51:54,901 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 20:51:54,901 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 20:51:54,901 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 20:51:54,901 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 20:51:54,901 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 20:51:54,901 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 43 and size of Sequence is : 44[2021-01-26 20:51:54,946 INFO L164 SleepSetCegar]: Size of mCounterexample is: 44 [2021-01-26 20:51:54,947 INFO L165 SleepSetCegar]: [92#[ULTIMATE.startENTRY]don't care, 94#[L-1]don't care, 96#[L-1-1]don't care, 98#[L24]don't care, 100#[L24-1]don't care, 102#[L24-2]don't care, 104#[L24-3]don't care, 106#[L24-4]don't care, 108#[L1113]don't care, 110#[L1114]don't care, 112#[L-1-2]don't care, 114#[L-1-3]don't care, 116#[L1122]don't care, 118#[L1122-1]don't care, 120#[L1123]don't care, 122#[L1123-1]don't care, 124#[L1124]don't care, 126#[L1124-1]don't care, 128#[L1125]don't care, 130#[L1126]don't care, 132#[L1126-1]don't care, 134#[L1126-2]don't care, 136#[L10]don't care, 138#[L11]don't care, 140#[L10-1]don't care, 144#[L1127]don't care, 146#[L1127-1]don't care, 148#[L10-2]don't care, 150#[L11-3]don't care, 154#[L10-3]don't care, 156#[L1128-5]don't care, 160#[L1128-6]don't care, 162#[L1132-5]don't care, 164#[L1132-6]don't care, 168#[L1135]don't care, 170#[L1135-6]don't care, 174#[L1135-7]don't care, 176#[L1138]don't care, 178#[L1111]don't care, 180#[L1111-1]don't care, 184#[L1111-2]don't care, 186#[L24-5]don't care, 188#[L24-7]don't care, 194#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-26 20:51:54,947 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 20:51:54,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 20:51:54,953 INFO L82 PathProgramCache]: Analyzing trace with hash -834290626, now seen corresponding path program 1 times [2021-01-26 20:51:54,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 20:51:54,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590016866] [2021-01-26 20:51:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 20:51:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 20:51:55,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 20:51:55,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590016866] [2021-01-26 20:51:55,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 20:51:55,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 20:51:55,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025283610] [2021-01-26 20:51:55,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-26 20:51:55,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 20:51:55,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-26 20:51:55,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-26 20:51:55,300 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 20:51:55,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 43 and size of Sequence is : 44[2021-01-26 20:51:55,323 INFO L164 SleepSetCegar]: Size of mCounterexample is: 44 [2021-01-26 20:51:55,324 INFO L165 SleepSetCegar]: [197#[ULTIMATE.startENTRY]true, 198#[L-1]true, 199#[L-1-1]true, 200#[L24]true, 201#[L24-1]true, 202#[L24-2]true, 203#[L24-3]true, 204#[L24-4]true, 205#[L1113]true, 206#[L1114]true, 207#[L-1-2]true, 208#[L-1-3]true, 209#[L1122]true, 210#[L1122-1]true, 211#[L1123]true, 212#[L1123-1]true, 213#[L1124]true, 214#[L1124-1]true, 215#[L1125]true, 216#[L1126]true, 217#[L1126-1]true, 218#[L1126-2]true, 219#[L10]true, 220#[L11]true, 221#[L10-1]true, 224#[L1127]true, 225#[L1127-1]true, 226#[L10-2]true, 227#[L11-3]true, 229#[L10-3]true, 231#[L1128-5]true, 234#[L1128-6]true, 235#[L1132-5]true, 236#[L1132-6]true, 239#[L1135]true, 240#[L1135-6]true, 243#[L1135-7]true, 244#[L1138]true, 245#[L1111]true, 246#[L1111-1]true, 248#[L1111-2]true, 249#[L24-5]true, 250#[L24-7]true, 253#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-26 20:51:55,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 20:51:55,324 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 20:51:55,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 20:51:55,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1181834657, now seen corresponding path program 1 times [2021-01-26 20:51:55,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 20:51:55,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58172030] [2021-01-26 20:51:55,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 20:51:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 20:51:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 20:51:55,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58172030] [2021-01-26 20:51:55,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 20:51:55,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-26 20:51:55,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328642186] [2021-01-26 20:51:55,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-26 20:51:55,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 20:51:55,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-26 20:51:55,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-26 20:51:55,508 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 20:51:55,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 20:51:55,562 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 20:51:55,647 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 68 and size of Sequence is : 69[2021-01-26 20:51:55,716 INFO L164 SleepSetCegar]: Size of mCounterexample is: 69 [2021-01-26 20:51:55,719 INFO L165 SleepSetCegar]: [259#[ULTIMATE.startENTRY]true, 261#[L-1]true, 263#[L-1-1]true, 265#[L24]true, 267#[L24-1]true, 269#[L24-2]true, 271#[L24-3]true, 273#[L24-4]true, 275#[L1113](<= 16 ~SIGMA~0), 277#[L1114](<= 16 ~SIGMA~0), 279#[L-1-2](<= 16 ~SIGMA~0), 281#[L-1-3](<= 16 ~SIGMA~0), 283#[L1122](<= 16 ~SIGMA~0), 285#[L1122-1](<= 16 ~SIGMA~0), 287#[L1123](<= 16 ~SIGMA~0), 289#[L1123-1](<= 16 ~SIGMA~0), 291#[L1124](<= 16 ~SIGMA~0), 293#[L1124-1](<= 16 ~SIGMA~0), 295#[L1125](<= 16 ~SIGMA~0), 297#[L1126](<= 16 ~SIGMA~0), 299#[L1126-1](<= 16 ~SIGMA~0), 301#[L1126-2](<= 16 ~SIGMA~0), 303#[L10](<= 16 ~SIGMA~0), 305#[L11](<= 16 ~SIGMA~0), 307#[L10-1](<= 16 ~SIGMA~0), 313#[L1127](<= 16 ~SIGMA~0), 315#[L1127-1](<= 16 ~SIGMA~0), 317#[L10-2](<= 16 ~SIGMA~0), 319#[L11-3](<= 16 ~SIGMA~0), 323#[L10-3](<= 16 ~SIGMA~0), 327#[L1128-5](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 329#[L1129](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 338#[L1129-1](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 343#[L1129-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 348#[L1130](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 353#[L1130-1](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 358#[L1130-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 363#[threadENTRY, L1130-3](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 373#[threadENTRY, L1130-4](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 383#[threadENTRY, L1128-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 393#[threadENTRY, L1128-3](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 403#[threadENTRY, L1128-4](<= 16 ~SIGMA~0), 413#[threadENTRY, L1128-5](<= 16 ~SIGMA~0), 431#[threadENTRY, L1128-6](<= 16 ~SIGMA~0), 441#[threadENTRY, L1132-5](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 457#[threadENTRY, L1133](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 469#[threadENTRY, L1133-1](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 479#[threadENTRY, L1133-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 484#[L1117, L1133-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 489#[L1117-1, L1133-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 494#[threadFINAL, L1133-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 499#[threadEXIT, L1133-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 504#[L1133-3](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 509#[L1133-4](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 514#[L1132-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 519#[L1132-3](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 524#[L1132-4](<= 16 ~SIGMA~0), 526#[L1132-5](<= 16 ~SIGMA~0), 528#[L1132-6](<= 16 ~SIGMA~0), 534#[L1135](<= 16 ~SIGMA~0), 536#[L1135-6](<= 16 ~SIGMA~0), 542#[L1135-7](<= 16 ~SIGMA~0), 544#[L1138](<= 16 ~SIGMA~0), 546#[L1111](<= 16 ~SIGMA~0), 548#[L1111-1](<= 16 ~SIGMA~0), 552#[L1111-2](<= 16 ~SIGMA~0), 554#[L24-5](<= 16 ~SIGMA~0), 556#[L24-7](<= 16 ~SIGMA~0), 562#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION](<= 16 ~SIGMA~0)] [2021-01-26 20:51:55,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 20:51:55,719 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 20:51:55,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 20:51:55,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1236763539, now seen corresponding path program 1 times [2021-01-26 20:51:55,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 20:51:55,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210387404] [2021-01-26 20:51:55,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 20:51:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 20:51:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-26 20:51:56,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210387404] [2021-01-26 20:51:56,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 20:51:56,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-26 20:51:56,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857884908] [2021-01-26 20:51:56,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-26 20:51:56,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 20:51:56,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-26 20:51:56,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-26 20:51:56,015 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 20:51:56,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2021-01-26 20:51:56,170 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 75 and size of Sequence is : 76[2021-01-26 20:51:56,238 INFO L164 SleepSetCegar]: Size of mCounterexample is: 76 [2021-01-26 20:51:56,239 INFO L165 SleepSetCegar]: [569#[ULTIMATE.startENTRY]true, 571#[L-1]true, 573#[L-1-1]true, 575#[L24]true, 577#[L24-1]true, 579#[L24-2]true, 581#[L24-3]true, 583#[L24-4]true, 585#[L1113](<= 16 ~SIGMA~0), 587#[L1114](<= 16 ~SIGMA~0), 589#[L-1-2](<= 16 ~SIGMA~0), 591#[L-1-3](<= 16 ~SIGMA~0), 593#[L1122](<= 16 ~SIGMA~0), 595#[L1122-1](<= 16 ~SIGMA~0), 597#[L1123](<= 16 ~SIGMA~0), 599#[L1123-1](<= 16 ~SIGMA~0), 601#[L1124](<= 16 ~SIGMA~0), 603#[L1124-1](<= 16 ~SIGMA~0), 605#[L1125](<= 16 ~SIGMA~0), 607#[L1126](<= 16 ~SIGMA~0), 609#[L1126-1](<= 16 ~SIGMA~0), 611#[L1126-2](<= 16 ~SIGMA~0), 613#[L10](<= 16 ~SIGMA~0), 615#[L11](<= 16 ~SIGMA~0), 617#[L10-1](<= 16 ~SIGMA~0), 623#[L1127](<= 16 ~SIGMA~0), 625#[L1127-1](<= 16 ~SIGMA~0), 627#[L10-2](<= 16 ~SIGMA~0), 629#[L11-3](<= 16 ~SIGMA~0), 633#[L10-3](<= 16 ~SIGMA~0), 637#[L1128-5](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 639#[L1129](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 645#[L1129-1](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 647#[L1129-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 649#[L1130](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 651#[L1130-1](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 653#[L1130-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 655#[threadENTRY, L1130-3](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 659#[threadENTRY, L1130-4](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 663#[threadENTRY, L1128-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 667#[threadENTRY, L1128-3](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 671#[threadENTRY, L1128-4](<= 16 ~SIGMA~0), 675#[threadENTRY, L1128-5](<= 16 ~SIGMA~0), 683#[threadENTRY, L1128-6](<= 16 ~SIGMA~0), 687#[threadENTRY, L1132-5](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 693#[threadENTRY, L1133](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 699#[threadENTRY, L1133-1](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 703#[threadENTRY, L1133-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 705#[L1117, L1133-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 707#[L1117-1, L1133-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 709#[threadFINAL, L1133-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 711#[threadEXIT, L1133-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 713#[L1133-3](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 715#[L1133-4](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 717#[L1132-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 719#[L1132-3](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 721#[L1132-4](<= 16 ~SIGMA~0), 723#[L1132-5](<= 16 ~SIGMA~0), 725#[L1132-6](<= 16 ~SIGMA~0), 731#[L1135](and (= ULTIMATE.start_main_~sum~0 0) (<= 16 ~SIGMA~0)), 735#[L1135-6](and (= ULTIMATE.start_main_~sum~0 0) (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 737#[L1136](and (= ULTIMATE.start_main_~sum~0 0) (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 748#[L1136-1](and (= ULTIMATE.start_main_~sum~0 0) (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 755#[L1136-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 762#[L1135-3](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 769#[L1135-4](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 776#[L1135-5](<= 16 ~SIGMA~0), 778#[L1135-6](<= 16 ~SIGMA~0), 782#[L1135-7](<= 16 ~SIGMA~0), 784#[L1138](<= 16 ~SIGMA~0), 786#[L1111](<= 16 ~SIGMA~0), 788#[L1111-1](<= 16 ~SIGMA~0), 792#[L1111-2](<= 16 ~SIGMA~0), 794#[L24-5](<= 16 ~SIGMA~0), 796#[L24-7](<= 16 ~SIGMA~0), 802#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION](<= 16 ~SIGMA~0)] [2021-01-26 20:51:56,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 20:51:56,240 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 20:51:56,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 20:51:56,241 INFO L82 PathProgramCache]: Analyzing trace with hash -479808088, now seen corresponding path program 1 times [2021-01-26 20:51:56,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 20:51:56,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186211866] [2021-01-26 20:51:56,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 20:51:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 20:51:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-26 20:51:56,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186211866] [2021-01-26 20:51:56,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455072017] [2021-01-26 20:51:56,448 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 [2021-01-26 20:51:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 20:51:56,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-26 20:51:56,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-26 20:51:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-26 20:51:56,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-26 20:51:56,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-01-26 20:51:56,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042611958] [2021-01-26 20:51:56,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-26 20:51:56,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 20:51:56,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-26 20:51:56,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-26 20:51:56,797 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 20:51:56,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 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[2021-01-26 20:51:56,929 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-26 20:51:56,930 INFO L165 SleepSetCegar]: [1035#[ULTIMATE.startENTRY]true, 1037#[L-1]true, 1039#[L-1-1]true, 1041#[L24]true, 1043#[L24-1]true, 1045#[L24-2]true, 1047#[L24-3]true, 1049#[L24-4]true, 1051#[L1113](<= 16 ~SIGMA~0), 1053#[L1114](<= 16 ~SIGMA~0), 1055#[L-1-2](<= 16 ~SIGMA~0), 1057#[L-1-3](<= 16 ~SIGMA~0), 1059#[L1122](<= 16 ~SIGMA~0), 1061#[L1122-1](<= 16 ~SIGMA~0), 1063#[L1123](<= 16 ~SIGMA~0), 1065#[L1123-1](<= 16 ~SIGMA~0), 1067#[L1124](<= 16 ~SIGMA~0), 1069#[L1124-1](<= 16 ~SIGMA~0), 1071#[L1125](<= 16 ~SIGMA~0), 1073#[L1126](<= 16 ~SIGMA~0), 1075#[L1126-1](<= 16 ~SIGMA~0), 1077#[L1126-2](<= 16 ~SIGMA~0), 1079#[L10](<= 16 ~SIGMA~0), 1081#[L11](<= 16 ~SIGMA~0), 1083#[L10-1](<= 16 ~SIGMA~0), 1089#[L1127](<= 16 ~SIGMA~0), 1091#[L1127-1](<= 16 ~SIGMA~0), 1093#[L10-2](<= 16 ~SIGMA~0), 1095#[L11-3](<= 16 ~SIGMA~0), 1099#[L10-3](<= 16 ~SIGMA~0), 1103#[L1128-5](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1105#[L1129](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1111#[L1129-1](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1113#[L1129-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1115#[L1130](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1117#[L1130-1](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1119#[L1130-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1121#[threadENTRY, L1130-3](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1125#[threadENTRY, L1130-4](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1129#[threadENTRY, L1128-2](and (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1135#[threadENTRY, L1128-3](and (= |ULTIMATE.start_main_#t~post8| 0) (= ULTIMATE.start_main_~tid~0 0) (<= 16 ~SIGMA~0)), 1141#[threadENTRY, L1128-4](and (= |ULTIMATE.start_main_#t~post8| 0) (<= 16 ~SIGMA~0) (<= ULTIMATE.start_main_~tid~0 1)), 1145#[threadENTRY, L1128-5](and (<= 16 ~SIGMA~0) (<= ULTIMATE.start_main_~tid~0 1)), 1149#[threadENTRY, L1129](and (<= 16 ~SIGMA~0) (<= ULTIMATE.start_main_~tid~0 1)), 1171#[threadENTRY, L1129-1](and (<= 16 ~SIGMA~0) (<= ULTIMATE.start_main_~tid~0 1)), 1189#[threadENTRY, L1129-2](and (<= 16 ~SIGMA~0) (<= ULTIMATE.start_main_~tid~0 1)), 1207#[L1130, threadENTRY](and (<= 16 ~SIGMA~0) (<= ULTIMATE.start_main_~tid~0 1)), 1225#[threadENTRY, L1130-1](and (<= 16 ~SIGMA~0) (<= ULTIMATE.start_main_~tid~0 1)), 1243#[threadENTRY, L1130-2](and (<= 16 ~SIGMA~0) (<= ULTIMATE.start_main_~tid~0 1)), 1261#[threadENTRY, ULTIMATE.startErr0INUSE_VIOLATION](and (<= 16 ~SIGMA~0) (<= ULTIMATE.start_main_~tid~0 1))] [2021-01-26 20:51:57,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-26 20:51:57,131 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 20:51:57,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 20:51:57,133 INFO L82 PathProgramCache]: Analyzing trace with hash 402070648, now seen corresponding path program 1 times [2021-01-26 20:51:57,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 20:51:57,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920799708] [2021-01-26 20:51:57,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 20:51:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 20:51:57,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 20:51:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 20:51:57,257 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 20:51:57,301 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 20:51:57,301 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 20:51:57,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-26 20:51:57,302 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-26 20:51:57,302 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-26 20:51:57,316 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@1d4d38db 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) [2021-01-26 20:51:57,324 INFO L168 Benchmark]: Toolchain (without parser) took 4381.62 ms. Allocated memory was 310.4 MB in the beginning and 379.6 MB in the end (delta: 69.2 MB). Free memory was 284.5 MB in the beginning and 312.2 MB in the end (delta: -27.7 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.0 GB. [2021-01-26 20:51:57,326 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 310.4 MB. Free memory is still 280.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 20:51:57,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 971.16 ms. Allocated memory is still 310.4 MB. Free memory was 283.5 MB in the beginning and 253.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.0 GB. [2021-01-26 20:51:57,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.47 ms. Allocated memory is still 310.4 MB. Free memory was 253.8 MB in the beginning and 251.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 20:51:57,331 INFO L168 Benchmark]: Boogie Preprocessor took 76.04 ms. Allocated memory is still 310.4 MB. Free memory was 251.7 MB in the beginning and 249.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 20:51:57,338 INFO L168 Benchmark]: RCFGBuilder took 715.11 ms. Allocated memory is still 310.4 MB. Free memory was 249.6 MB in the beginning and 223.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-01-26 20:51:57,338 INFO L168 Benchmark]: TraceAbstraction took 2537.32 ms. Allocated memory was 310.4 MB in the beginning and 379.6 MB in the end (delta: 69.2 MB). Free memory was 222.3 MB in the beginning and 312.2 MB in the end (delta: -89.8 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 20:51:57,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 310.4 MB. Free memory is still 280.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 971.16 ms. Allocated memory is still 310.4 MB. Free memory was 283.5 MB in the beginning and 253.8 MB in the end (delta: 29.7 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 65.47 ms. Allocated memory is still 310.4 MB. Free memory was 253.8 MB in the beginning and 251.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 76.04 ms. Allocated memory is still 310.4 MB. Free memory was 251.7 MB in the beginning and 249.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 715.11 ms. Allocated memory is still 310.4 MB. Free memory was 249.6 MB in the beginning and 223.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2537.32 ms. Allocated memory was 310.4 MB in the beginning and 379.6 MB in the end (delta: 69.2 MB). Free memory was 222.3 MB in the beginning and 312.2 MB in the end (delta: -89.8 MB). There was no memory consumed. 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@1d4d38db de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@1d4d38db: 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...