/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/goblint-regression/28-race_reach_28-funptr_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 09:36:55,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 09:36:55,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 09:36:55,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 09:36:55,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 09:36:55,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 09:36:55,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 09:36:55,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 09:36:55,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 09:36:55,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 09:36:55,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 09:36:55,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 09:36:55,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 09:36:55,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 09:36:55,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 09:36:55,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 09:36:55,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 09:36:55,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 09:36:55,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 09:36:55,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 09:36:55,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 09:36:55,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 09:36:55,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 09:36:55,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 09:36:55,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-18 09:36:55,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 09:36:55,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 09:36:55,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 09:36:55,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 09:36:55,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 09:36:55,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 09:36:55,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 09:36:55,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 09:36:55,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 09:36:55,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 09:36:55,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 09:36:55,565 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 [2020-12-18 09:36:55,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 09:36:55,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 09:36:55,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 09:36:55,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 09:36:55,630 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 09:36:55,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 09:36:55,631 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 09:36:55,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 09:36:55,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 09:36:55,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 09:36:55,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 09:36:55,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 09:36:55,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 09:36:55,634 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 09:36:55,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 09:36:55,635 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 09:36:55,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 09:36:55,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 09:36:55,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 09:36:55,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 09:36:55,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 09:36:55,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 09:36:55,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 09:36:55,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 09:36:55,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 09:36:55,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 09:36:55,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 09:36:55,639 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 09:36:55,639 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 09:36:55,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 09:36:55,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 09:36:55,640 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 09:36:55,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 09:36:55,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 09:36:56,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 09:36:56,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 09:36:56,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 09:36:56,094 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 09:36:56,100 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 09:36:56,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2020-12-18 09:36:56,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fb29111/8b3a2545e58346c29d0644788be60b5a/FLAGfc3c8bddd [2020-12-18 09:36:56,940 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 09:36:56,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2020-12-18 09:36:56,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fb29111/8b3a2545e58346c29d0644788be60b5a/FLAGfc3c8bddd [2020-12-18 09:36:57,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fb29111/8b3a2545e58346c29d0644788be60b5a [2020-12-18 09:36:57,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 09:36:57,219 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 09:36:57,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 09:36:57,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 09:36:57,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 09:36:57,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:36:57" (1/1) ... [2020-12-18 09:36:57,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3110d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:57, skipping insertion in model container [2020-12-18 09:36:57,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:36:57" (1/1) ... [2020-12-18 09:36:57,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 09:36:57,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 09:36:57,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:36:57,844 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 09:36:57,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 09:36:58,110 INFO L208 MainTranslator]: Completed translation [2020-12-18 09:36:58,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58 WrapperNode [2020-12-18 09:36:58,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 09:36:58,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 09:36:58,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 09:36:58,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 09:36:58,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (1/1) ... [2020-12-18 09:36:58,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (1/1) ... [2020-12-18 09:36:58,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 09:36:58,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 09:36:58,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 09:36:58,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 09:36:58,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (1/1) ... [2020-12-18 09:36:58,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (1/1) ... [2020-12-18 09:36:58,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (1/1) ... [2020-12-18 09:36:58,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (1/1) ... [2020-12-18 09:36:58,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (1/1) ... [2020-12-18 09:36:58,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (1/1) ... [2020-12-18 09:36:58,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (1/1) ... [2020-12-18 09:36:58,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 09:36:58,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 09:36:58,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 09:36:58,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 09:36:58,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 09:36:58,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 09:36:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 09:36:58,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-18 09:36:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 09:36:58,380 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-18 09:36:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-12-18 09:36:58,381 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-12-18 09:36:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 09:36:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 09:36:58,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 09:36:58,383 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 09:36:59,126 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 09:36:59,126 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-12-18 09:36:59,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:36:59 BoogieIcfgContainer [2020-12-18 09:36:59,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 09:36:59,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 09:36:59,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 09:36:59,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 09:36:59,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:36:57" (1/3) ... [2020-12-18 09:36:59,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5b0983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:36:59, skipping insertion in model container [2020-12-18 09:36:59,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:36:58" (2/3) ... [2020-12-18 09:36:59,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5b0983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:36:59, skipping insertion in model container [2020-12-18 09:36:59,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:36:59" (3/3) ... [2020-12-18 09:36:59,140 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_28-funptr_racefree.i [2020-12-18 09:36:59,158 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 09:36:59,158 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 09:36:59,163 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 09:36:59,164 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 09:36:59,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,240 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,240 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,240 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,241 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,241 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,245 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,245 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,246 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,247 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,250 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,250 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,251 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,251 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,251 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,252 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,252 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,255 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,256 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,256 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,256 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,257 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,270 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,285 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,286 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 09:36:59,300 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-18 09:36:59,314 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-18 09:36:59,355 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 09:36:59,356 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 09:36:59,356 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 09:36:59,356 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 09:36:59,357 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 09:36:59,357 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 09:36:59,357 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 09:36:59,358 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 09:37:02,939 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 3546ms [2020-12-18 09:37:02,939 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1239 states, but on-demand construction may add more states [2020-12-18 09:37:02,947 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 1239 states, 1116 states have (on average 1.4802867383512546) internal successors, (1652), 1238 states have internal predecessors, (1652), 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: 58 and size of Sequence is : 59[2020-12-18 09:37:02,962 INFO L131 SleepSetCegar]: Size of mCounterexample is: 59 [2020-12-18 09:37:02,962 INFO L132 SleepSetCegar]: [111#[ULTIMATE.startENTRY]don't care, 114#[L-1]don't care, 117#[L-1-1]don't care, 120#[L921]don't care, 123#[L921-1]don't care, 126#[L921-2]don't care, 129#[L921-3]don't care, 132#[L921-4]don't care, 135#[L927]don't care, 138#[L927-1]don't care, 141#[L927-2]don't care, 144#[L927-3]don't care, 147#[L927-4]don't care, 150#[L927-5]don't care, 153#[L929]don't care, 156#[L929-1]don't care, 159#[L929-2]don't care, 162#[L929-3]don't care, 165#[L929-4]don't care, 168#[L929-5]don't care, 171#[L929-6]don't care, 174#[L939]don't care, 177#[L939-1]don't care, 180#[L939-2]don't care, 183#[L939-3]don't care, 186#[L939-4]don't care, 189#[L939-5]don't care, 192#[L939-6]don't care, 195#[L-1-2]don't care, 198#[L949]don't care, 201#[L949-1]don't care, 204#[L949-10]don't care, 209#[L949-11]don't care, 214#[L950]don't care, 217#[L951]don't care, 220#[L952]don't care, 223#[L953]don't care, 226#[L953-1]don't care, 229#[L954-5]don't care, 234#[L954-1]don't care, 238#[L954-2]don't care, 241#[L954-3]don't care, 244#[L922]don't care, 247#[L922-1]don't care, 252#[L922-2]don't care, 256#[L921-5]don't care, 259#[L921-9]don't care, 250#[L922-4]don't care, 266#[L954-4]don't care, 229#[L954-5]don't care, 234#[L954-1]don't care, 238#[L954-2]don't care, 241#[L954-3]don't care, 244#[L922]don't care, 247#[L922-1]don't care, 252#[L922-2]don't care, 256#[L921-5]don't care, 261#[L921-7]don't care, 322#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 09:37:02,963 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 09:37:02,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:37:02,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1717176713, now seen corresponding path program 1 times [2020-12-18 09:37:02,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:37:02,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838557005] [2020-12-18 09:37:02,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:37:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:37:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-18 09:37:03,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838557005] [2020-12-18 09:37:03,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:37:03,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 09:37:03,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629733774] [2020-12-18 09:37:03,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 09:37:03,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:37:03,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 09:37:03,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 09:37:03,278 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:37:03,278 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: 47 and size of Sequence is : 48[2020-12-18 09:37:03,385 INFO L131 SleepSetCegar]: Size of mCounterexample is: 48 [2020-12-18 09:37:03,385 INFO L132 SleepSetCegar]: [95489#[ULTIMATE.startENTRY]true, 95491#[L-1]true, 95493#[L-1-1]true, 95495#[L921]true, 95497#[L921-1]true, 95499#[L921-2]true, 95501#[L921-3]true, 95503#[L921-4]true, 95505#[L927]true, 95507#[L927-1]true, 95509#[L927-2]true, 95511#[L927-3]true, 95513#[L927-4]true, 95515#[L927-5]true, 95517#[L929]true, 95519#[L929-1]true, 95521#[L929-2]true, 95523#[L929-3]true, 95525#[L929-4]true, 95527#[L929-5]true, 95529#[L929-6]true, 95531#[L939]true, 95533#[L939-1]true, 95535#[L939-2]true, 95537#[L939-3]true, 95539#[L939-4]true, 95541#[L939-5]true, 95543#[L939-6]true, 95545#[L-1-2]true, 95547#[L949]true, 95549#[L949-1]true, 95551#[L949-10]true, 95554#[L949-11]true, 95791#[L950]true, 95793#[L951]true, 95795#[L952]true, 95797#[L953]true, 95799#[L953-1]true, 95801#[L954-5]true, 95803#[L954-1]true, 95806#[L954-2]true, 95808#[L954-3]true, 95810#[L922]true, 95812#[L922-1]true, 95814#[L922-2]true, 95818#[L921-5]true, 95820#[L921-7]true, 95952#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 09:37:03,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 09:37:03,386 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 09:37:03,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 09:37:03,387 INFO L82 PathProgramCache]: Analyzing trace with hash -466754708, now seen corresponding path program 1 times [2020-12-18 09:37:03,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 09:37:03,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970619960] [2020-12-18 09:37:03,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 09:37:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 09:37:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 09:37:03,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970619960] [2020-12-18 09:37:03,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 09:37:03,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-18 09:37:03,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089608270] [2020-12-18 09:37:03,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 09:37:03,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 09:37:03,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 09:37:03,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 09:37:03,580 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 09:37:03,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-12-18 09:37:03,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 09:37:03,667 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@289405d8 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:129) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-18 09:37:03,676 INFO L168 Benchmark]: Toolchain (without parser) took 6455.87 ms. Allocated memory was 302.0 MB in the beginning and 406.8 MB in the end (delta: 104.9 MB). Free memory was 275.6 MB in the beginning and 321.7 MB in the end (delta: -46.1 MB). Peak memory consumption was 222.8 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:03,677 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.9 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 09:37:03,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 888.54 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 249.2 MB in the end (delta: 26.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:03,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.12 ms. Allocated memory is still 302.0 MB. Free memory was 249.2 MB in the beginning and 247.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:03,683 INFO L168 Benchmark]: Boogie Preprocessor took 66.00 ms. Allocated memory is still 302.0 MB. Free memory was 247.1 MB in the beginning and 245.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:03,684 INFO L168 Benchmark]: RCFGBuilder took 839.71 ms. Allocated memory is still 302.0 MB. Free memory was 245.0 MB in the beginning and 216.7 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:03,685 INFO L168 Benchmark]: TraceAbstraction took 4538.18 ms. Allocated memory was 302.0 MB in the beginning and 406.8 MB in the end (delta: 104.9 MB). Free memory was 215.6 MB in the beginning and 321.8 MB in the end (delta: -106.2 MB). Peak memory consumption was 160.0 MB. Max. memory is 16.0 GB. [2020-12-18 09:37:03,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.9 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 888.54 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 249.2 MB in the end (delta: 26.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 107.12 ms. Allocated memory is still 302.0 MB. Free memory was 249.2 MB in the beginning and 247.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 66.00 ms. Allocated memory is still 302.0 MB. Free memory was 247.1 MB in the beginning and 245.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 839.71 ms. Allocated memory is still 302.0 MB. Free memory was 245.0 MB in the beginning and 216.7 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4538.18 ms. Allocated memory was 302.0 MB in the beginning and 406.8 MB in the end (delta: 104.9 MB). Free memory was 215.6 MB in the beginning and 321.8 MB in the end (delta: -106.2 MB). Peak memory consumption was 160.0 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@289405d8 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@289405d8: 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...