/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 23:37:45,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 23:37:45,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 23:37:45,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 23:37:45,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 23:37:45,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 23:37:45,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 23:37:45,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 23:37:45,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 23:37:45,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 23:37:45,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 23:37:45,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 23:37:45,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 23:37:45,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 23:37:45,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 23:37:45,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 23:37:45,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 23:37:45,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 23:37:45,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 23:37:45,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 23:37:45,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 23:37:45,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 23:37:45,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 23:37:45,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 23:37:45,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 23:37:45,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 23:37:45,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 23:37:45,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 23:37:45,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 23:37:45,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 23:37:45,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 23:37:45,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 23:37:45,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 23:37:45,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 23:37:45,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 23:37:45,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 23:37:45,588 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 23:37:45,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 23:37:45,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 23:37:45,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 23:37:45,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 23:37:45,655 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 23:37:45,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 23:37:45,655 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 23:37:45,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 23:37:45,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 23:37:45,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 23:37:45,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 23:37:45,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 23:37:45,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 23:37:45,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 23:37:45,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 23:37:45,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 23:37:45,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 23:37:45,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 23:37:45,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 23:37:45,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 23:37:45,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 23:37:45,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:37:45,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 23:37:45,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 23:37:45,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 23:37:45,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 23:37:45,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 23:37:45,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 23:37:45,664 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 23:37:45,664 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 23:37:45,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 23:37:45,665 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 23:37:45,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 23:37:45,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 23:37:46,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 23:37:46,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 23:37:46,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 23:37:46,181 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 23:37:46,182 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 23:37:46,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2021-01-26 23:37:46,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cffe166d/43a2a4c0855e42d895230d35cf413611/FLAG23a7d0499 [2021-01-26 23:37:47,246 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 23:37:47,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2021-01-26 23:37:47,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cffe166d/43a2a4c0855e42d895230d35cf413611/FLAG23a7d0499 [2021-01-26 23:37:47,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cffe166d/43a2a4c0855e42d895230d35cf413611 [2021-01-26 23:37:47,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 23:37:47,303 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 23:37:47,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 23:37:47,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 23:37:47,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 23:37:47,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:37:47" (1/1) ... [2021-01-26 23:37:47,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79af6112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:47, skipping insertion in model container [2021-01-26 23:37:47,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:37:47" (1/1) ... [2021-01-26 23:37:47,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 23:37:47,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 23:37:47,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:37:47,933 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 23:37:48,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:37:48,115 INFO L208 MainTranslator]: Completed translation [2021-01-26 23:37:48,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48 WrapperNode [2021-01-26 23:37:48,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 23:37:48,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 23:37:48,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 23:37:48,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 23:37:48,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (1/1) ... [2021-01-26 23:37:48,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (1/1) ... [2021-01-26 23:37:48,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 23:37:48,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 23:37:48,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 23:37:48,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 23:37:48,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (1/1) ... [2021-01-26 23:37:48,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (1/1) ... [2021-01-26 23:37:48,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (1/1) ... [2021-01-26 23:37:48,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (1/1) ... [2021-01-26 23:37:48,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (1/1) ... [2021-01-26 23:37:48,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (1/1) ... [2021-01-26 23:37:48,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (1/1) ... [2021-01-26 23:37:48,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 23:37:48,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 23:37:48,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 23:37:48,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 23:37:48,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (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 23:37:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-01-26 23:37:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 23:37:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 23:37:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-26 23:37:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 23:37:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-26 23:37:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-26 23:37:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 23:37:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 23:37:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 23:37:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 23:37:48,440 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 23:37:49,077 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 23:37:49,078 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2021-01-26 23:37:49,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:37:49 BoogieIcfgContainer [2021-01-26 23:37:49,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 23:37:49,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 23:37:49,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 23:37:49,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 23:37:49,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 11:37:47" (1/3) ... [2021-01-26 23:37:49,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff9acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:37:49, skipping insertion in model container [2021-01-26 23:37:49,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:48" (2/3) ... [2021-01-26 23:37:49,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff9acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:37:49, skipping insertion in model container [2021-01-26 23:37:49,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:37:49" (3/3) ... [2021-01-26 23:37:49,096 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2021-01-26 23:37:49,120 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 23:37:49,121 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 23:37:49,127 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 23:37:49,128 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 23:37:49,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,174 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,174 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,175 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,175 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,179 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,179 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,179 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,179 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,181 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,181 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,181 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,183 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,183 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,183 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,183 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,188 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,189 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,189 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,189 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,190 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,190 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:49,204 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-26 23:37:49,223 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-26 23:37:49,258 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 23:37:49,259 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 23:37:49,259 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 23:37:49,259 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 23:37:49,259 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 23:37:49,259 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 23:37:49,259 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 23:37:49,259 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 35 and size of Sequence is : 36[2021-01-26 23:37:49,313 INFO L164 SleepSetCegar]: Size of mCounterexample is: 36 [2021-01-26 23:37:49,314 INFO L165 SleepSetCegar]: [96#[ULTIMATE.startENTRY]don't care, 98#[L-1]don't care, 100#[L-1-1]don't care, 102#[L683]don't care, 104#[L683-1]don't care, 106#[L683-2]don't care, 108#[L683-3]don't care, 110#[L683-4]don't care, 112#[L689]don't care, 114#[L689-1]don't care, 116#[L689-2]don't care, 118#[L689-3]don't care, 120#[L689-4]don't care, 122#[L689-5]don't care, 124#[L691]don't care, 126#[L691-1]don't care, 128#[L691-2]don't care, 130#[L691-3]don't care, 132#[L691-4]don't care, 134#[L691-5]don't care, 136#[L691-6]don't care, 138#[L-1-2]don't care, 140#[L699]don't care, 142#[L699-1]don't care, 144#[L699-10]don't care, 146#[L700-5]don't care, 152#[L702-4]don't care, 156#[L702]don't care, 158#[L702-1]don't care, 160#[L702-2]don't care, 162#[L684]don't care, 164#[L684-1]don't care, 168#[L684-2]don't care, 170#[L683-5]don't care, 174#[L683-7]don't care, 176#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-26 23:37:49,315 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:37:49,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:37:49,325 INFO L82 PathProgramCache]: Analyzing trace with hash -184477552, now seen corresponding path program 1 times [2021-01-26 23:37:49,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:37:49,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710375566] [2021-01-26 23:37:49,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:37:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:37:49,734 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 23:37:49,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710375566] [2021-01-26 23:37:49,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:37:49,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 23:37:49,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021768487] [2021-01-26 23:37:49,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-26 23:37:49,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:37:49,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-26 23:37:49,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-26 23:37:49,787 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:37:49,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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: 38 and size of Sequence is : 39[2021-01-26 23:37:49,806 INFO L164 SleepSetCegar]: Size of mCounterexample is: 39 [2021-01-26 23:37:49,807 INFO L165 SleepSetCegar]: [181#[ULTIMATE.startENTRY]true, 182#[L-1]true, 183#[L-1-1]true, 184#[L683]true, 185#[L683-1]true, 186#[L683-2]true, 187#[L683-3]true, 188#[L683-4]true, 189#[L689]true, 190#[L689-1]true, 191#[L689-2]true, 192#[L689-3]true, 193#[L689-4]true, 194#[L689-5]true, 195#[L691]true, 196#[L691-1]true, 197#[L691-2]true, 198#[L691-3]true, 199#[L691-4]true, 200#[L691-5]true, 201#[L691-6]true, 202#[L-1-2]true, 203#[L699]true, 204#[L699-1]true, 205#[L699-10]true, 208#[L700-5]true, 209#[L700]true, 213#[L700-1]true, 218#[L700-2]true, 220#[L702-4]true, 222#[L702]true, 223#[L702-1]true, 224#[L702-2]true, 225#[L684]true, 226#[L684-1]true, 228#[L684-2]true, 229#[L683-5]true, 231#[L683-7]true, 232#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-26 23:37:49,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 23:37:49,808 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:37:49,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:37:49,810 INFO L82 PathProgramCache]: Analyzing trace with hash -159019086, now seen corresponding path program 1 times [2021-01-26 23:37:49,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:37:49,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713370323] [2021-01-26 23:37:49,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:37:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:37:50,036 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 23:37:50,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713370323] [2021-01-26 23:37:50,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:37:50,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-26 23:37:50,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64775452] [2021-01-26 23:37:50,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-26 23:37:50,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:37:50,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-26 23:37:50,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 23:37:50,042 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:37:50,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 23:37:50,103 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 67 and size of Sequence is : 68[2021-01-26 23:37:50,158 INFO L164 SleepSetCegar]: Size of mCounterexample is: 68 [2021-01-26 23:37:50,159 INFO L165 SleepSetCegar]: [238#[ULTIMATE.startENTRY]true, 240#[L-1]true, 242#[L-1-1]true, 244#[L683]true, 246#[L683-1]true, 248#[L683-2]true, 250#[L683-3]true, 252#[L683-4]true, 254#[L689]true, 256#[L689-1]true, 258#[L689-2]true, 260#[L689-3]true, 262#[L689-4]true, 264#[L689-5]true, 266#[L691]true, 268#[L691-1]true, 270#[L691-2]true, 272#[L691-3]true, 274#[L691-4]true, 276#[L691-5]true, 278#[L691-6]true, 280#[L-1-2]true, 282#[L699]true, 284#[L699-1]true, 286#[L699-10](= ULTIMATE.start_main_~i~0 0), 290#[L699-4](= ULTIMATE.start_main_~i~0 0), 297#[L699-5](= ULTIMATE.start_main_~i~0 0), 302#[L699-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 310#[L699-6, L693](= ULTIMATE.start_main_~i~0 0), 322#[L693-1, L699-6](= ULTIMATE.start_main_~i~0 0), 332#[L694-17, L699-6](= ULTIMATE.start_main_~i~0 0), 347#[L699-6, L694-7](= ULTIMATE.start_main_~i~0 0), 358#[L699-6, L694-1](= ULTIMATE.start_main_~i~0 0), 370#[L699-6, L694-2](= ULTIMATE.start_main_~i~0 0), 380#[L694-3, L699-6](= ULTIMATE.start_main_~i~0 0), 390#[L694-4, L699-6](= ULTIMATE.start_main_~i~0 0), 400#[L699-6, L694-5](= ULTIMATE.start_main_~i~0 0), 410#[L694-6, L699-6](= ULTIMATE.start_main_~i~0 0), 419#[L694-15, L699-6](= ULTIMATE.start_main_~i~0 0), 438#[L694-9, L699-6](= ULTIMATE.start_main_~i~0 0), 448#[L699-6, L694-10](= ULTIMATE.start_main_~i~0 0), 458#[L694-11, L699-6](= ULTIMATE.start_main_~i~0 0), 468#[L694-12, L699-6](= ULTIMATE.start_main_~i~0 0), 476#[L699-6, L694-13](= ULTIMATE.start_main_~i~0 0), 488#[L699-6, L694-14](= ULTIMATE.start_main_~i~0 0), 496#[L694-16, L699-6](= ULTIMATE.start_main_~i~0 0), 503#[L694-18, L699-6](= ULTIMATE.start_main_~i~0 0), 517#[L696, L699-6](= ULTIMATE.start_main_~i~0 0), 527#[t_funFINAL, L699-6](= ULTIMATE.start_main_~i~0 0), 537#[L699-6, t_funEXIT](= ULTIMATE.start_main_~i~0 0), 542#[t_funEXIT, L699-7](= ULTIMATE.start_main_~i~0 0), 547#[t_funEXIT, L699-8](= ULTIMATE.start_main_~i~0 0), 552#[L699-9, t_funEXIT]true, 557#[L699-10, t_funEXIT]true, 570#[t_funEXIT, L700-5]true, 578#[L700, t_funEXIT]true, 585#[L700-1, t_funEXIT]true, 593#[t_funEXIT, L700-2]true, 598#[L702-4, t_funEXIT]true, 608#[t_funEXIT, L702]true, 613#[L702-1, t_funEXIT]true, 618#[L702-2, t_funEXIT]true, 623#[L684, t_funEXIT]true, 628#[L684-1, t_funEXIT]true, 638#[L684-2, t_funEXIT]true, 643#[t_funEXIT, L683-5]true, 653#[L683-7, t_funEXIT]true, 661#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funEXIT]true] [2021-01-26 23:37:50,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 23:37:50,160 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:37:50,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:37:50,162 INFO L82 PathProgramCache]: Analyzing trace with hash -84828973, now seen corresponding path program 1 times [2021-01-26 23:37:50,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:37:50,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779905896] [2021-01-26 23:37:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:37:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:37:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:37:50,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779905896] [2021-01-26 23:37:50,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629806238] [2021-01-26 23:37:50,421 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 23:37:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:37:50,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-26 23:37:50,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-26 23:37:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:37:50,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-26 23:37:50,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-26 23:37:50,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759968474] [2021-01-26 23:37:50,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:37:50,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:37:50,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:37:50,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:37:50,807 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:37:50,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 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: 56 and size of Sequence is : 57[2021-01-26 23:37:50,937 INFO L164 SleepSetCegar]: Size of mCounterexample is: 57 [2021-01-26 23:37:50,938 INFO L165 SleepSetCegar]: [870#[ULTIMATE.startENTRY]true, 872#[L-1]true, 874#[L-1-1]true, 876#[L683]true, 878#[L683-1]true, 880#[L683-2]true, 882#[L683-3]true, 884#[L683-4]true, 886#[L689]true, 888#[L689-1]true, 890#[L689-2]true, 892#[L689-3]true, 894#[L689-4]true, 896#[L689-5]true, 898#[L691]true, 900#[L691-1]true, 902#[L691-2]true, 904#[L691-3]true, 906#[L691-4]true, 908#[L691-5]true, 910#[L691-6]true, 912#[L-1-2]true, 914#[L699]true, 916#[L699-1]true, 918#[L699-10](= ULTIMATE.start_main_~i~0 0), 922#[L699-4](= ULTIMATE.start_main_~i~0 0), 926#[L699-5](= ULTIMATE.start_main_~i~0 0), 928#[L699-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 930#[L699-6, L693](= ULTIMATE.start_main_~i~0 0), 936#[L693-1, L699-6](= ULTIMATE.start_main_~i~0 0), 940#[L694-17, L699-6](= ULTIMATE.start_main_~i~0 0), 946#[L699-6, L694-7](= ULTIMATE.start_main_~i~0 0), 948#[L699-6, L694-1](= ULTIMATE.start_main_~i~0 0), 954#[L699-6, L694-2](= ULTIMATE.start_main_~i~0 0), 958#[L694-3, L699-6](= ULTIMATE.start_main_~i~0 0), 962#[L694-4, L699-6](= ULTIMATE.start_main_~i~0 0), 966#[L699-6, L694-5](= ULTIMATE.start_main_~i~0 0), 970#[L694-6, L699-6](= ULTIMATE.start_main_~i~0 0), 974#[L694-15, L699-6](= ULTIMATE.start_main_~i~0 0), 984#[L694-9, L699-6](= ULTIMATE.start_main_~i~0 0), 988#[L699-6, L694-10](= ULTIMATE.start_main_~i~0 0), 992#[L694-11, L699-6](= ULTIMATE.start_main_~i~0 0), 996#[L694-12, L699-6](= ULTIMATE.start_main_~i~0 0), 998#[L699-6, L694-13](= ULTIMATE.start_main_~i~0 0), 1004#[L699-6, L694-14](= ULTIMATE.start_main_~i~0 0), 1008#[L694-16, L699-6](= ULTIMATE.start_main_~i~0 0), 1010#[L694-18, L699-6](= ULTIMATE.start_main_~i~0 0), 1018#[L696, L699-6](= ULTIMATE.start_main_~i~0 0), 1022#[t_funFINAL, L699-6](= ULTIMATE.start_main_~i~0 0), 1026#[L699-6, t_funEXIT](= ULTIMATE.start_main_~i~0 0), 1028#[t_funEXIT, L699-7](= ULTIMATE.start_main_~i~0 0), 1032#[t_funEXIT, L699-8](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post10| 0)), 1036#[L699-9, t_funEXIT](and (<= ULTIMATE.start_main_~i~0 1) (= |ULTIMATE.start_main_#t~post10| 0)), 1038#[L699-10, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1042#[L699-4, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1051#[L699-5, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1058#[t_funEXIT, ULTIMATE.startErr0INUSE_VIOLATION](<= ULTIMATE.start_main_~i~0 1)] [2021-01-26 23:37:51,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-26 23:37:51,140 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:37:51,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:37:51,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1446050040, now seen corresponding path program 1 times [2021-01-26 23:37:51,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:37:51,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856523785] [2021-01-26 23:37:51,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:37:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:37:51,197 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:37:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:37:51,236 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:37:51,290 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 23:37:51,291 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 23:37:51,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 23:37:51,292 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-26 23:37:51,293 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-26 23:37:51,311 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@13a2c2a6 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 23:37:51,323 INFO L168 Benchmark]: Toolchain (without parser) took 4026.28 ms. Allocated memory is still 302.0 MB. Free memory was 276.9 MB in the beginning and 168.1 MB in the end (delta: 108.8 MB). Peak memory consumption was 111.5 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:51,324 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 302.0 MB. Free memory was 271.6 MB in the beginning and 271.5 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:37:51,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.85 ms. Allocated memory is still 302.0 MB. Free memory was 276.0 MB in the beginning and 246.5 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:51,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.89 ms. Allocated memory is still 302.0 MB. Free memory was 246.5 MB in the beginning and 244.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:51,332 INFO L168 Benchmark]: Boogie Preprocessor took 103.09 ms. Allocated memory is still 302.0 MB. Free memory was 244.5 MB in the beginning and 243.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:37:51,333 INFO L168 Benchmark]: RCFGBuilder took 778.69 ms. Allocated memory is still 302.0 MB. Free memory was 243.0 MB in the beginning and 259.3 MB in the end (delta: -16.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:51,343 INFO L168 Benchmark]: TraceAbstraction took 2236.11 ms. Allocated memory is still 302.0 MB. Free memory was 259.3 MB in the beginning and 168.1 MB in the end (delta: 91.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:51,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 302.0 MB. Free memory was 271.6 MB in the beginning and 271.5 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 810.85 ms. Allocated memory is still 302.0 MB. Free memory was 276.0 MB in the beginning and 246.5 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 77.89 ms. Allocated memory is still 302.0 MB. Free memory was 246.5 MB in the beginning and 244.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 103.09 ms. Allocated memory is still 302.0 MB. Free memory was 244.5 MB in the beginning and 243.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 778.69 ms. Allocated memory is still 302.0 MB. Free memory was 243.0 MB in the beginning and 259.3 MB in the end (delta: -16.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2236.11 ms. Allocated memory is still 302.0 MB. Free memory was 259.3 MB in the beginning and 168.1 MB in the end (delta: 91.2 MB). Peak memory consumption was 92.3 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@13a2c2a6 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@13a2c2a6: 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...