/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_37-indirect_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 23:37:30,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 23:37:30,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 23:37:30,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 23:37:30,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 23:37:30,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 23:37:30,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 23:37:30,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 23:37:30,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 23:37:30,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 23:37:30,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 23:37:30,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 23:37:30,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 23:37:30,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 23:37:30,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 23:37:30,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 23:37:30,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 23:37:30,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 23:37:30,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 23:37:30,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 23:37:30,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 23:37:30,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 23:37:30,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 23:37:30,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 23:37:30,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 23:37:30,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 23:37:30,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 23:37:30,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 23:37:30,194 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 23:37:30,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 23:37:30,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 23:37:30,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 23:37:30,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 23:37:30,273 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 23:37:30,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 23:37:30,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 23:37:30,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 23:37:30,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 23:37:30,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 23:37:30,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 23:37:30,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 23:37:30,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 23:37:30,277 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 23:37:30,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 23:37:30,277 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 23:37:30,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 23:37:30,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 23:37:30,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 23:37:30,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 23:37:30,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 23:37:30,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:37:30,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 23:37:30,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 23:37:30,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 23:37:30,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 23:37:30,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 23:37:30,280 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 23:37:30,281 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 23:37:30,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 23:37:30,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 23:37:30,282 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 23:37:30,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 23:37:30,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 23:37:30,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 23:37:30,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 23:37:30,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 23:37:30,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 23:37:30,958 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 23:37:30,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_37-indirect_racing.i [2021-01-26 23:37:31,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7cbaabf1/08ecd41f781e4ffb802e6676c9242bf2/FLAG08b47db05 [2021-01-26 23:37:32,081 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 23:37:32,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_37-indirect_racing.i [2021-01-26 23:37:32,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7cbaabf1/08ecd41f781e4ffb802e6676c9242bf2/FLAG08b47db05 [2021-01-26 23:37:32,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7cbaabf1/08ecd41f781e4ffb802e6676c9242bf2 [2021-01-26 23:37:32,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 23:37:32,265 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 23:37:32,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 23:37:32,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 23:37:32,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 23:37:32,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:37:32" (1/1) ... [2021-01-26 23:37:32,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff385bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:32, skipping insertion in model container [2021-01-26 23:37:32,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:37:32" (1/1) ... [2021-01-26 23:37:32,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 23:37:32,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 23:37:32,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:37:32,858 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 23:37:32,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:37:33,123 INFO L208 MainTranslator]: Completed translation [2021-01-26 23:37:33,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33 WrapperNode [2021-01-26 23:37:33,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 23:37:33,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 23:37:33,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 23:37:33,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 23:37:33,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (1/1) ... [2021-01-26 23:37:33,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (1/1) ... [2021-01-26 23:37:33,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 23:37:33,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 23:37:33,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 23:37:33,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 23:37:33,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (1/1) ... [2021-01-26 23:37:33,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (1/1) ... [2021-01-26 23:37:33,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (1/1) ... [2021-01-26 23:37:33,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (1/1) ... [2021-01-26 23:37:33,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (1/1) ... [2021-01-26 23:37:33,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (1/1) ... [2021-01-26 23:37:33,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (1/1) ... [2021-01-26 23:37:33,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 23:37:33,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 23:37:33,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 23:37:33,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 23:37:33,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (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 23:37:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 23:37:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 23:37:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-26 23:37:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 23:37:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-26 23:37:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-26 23:37:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 23:37:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 23:37:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 23:37:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 23:37:33,431 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 23:37:34,072 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 23:37:34,073 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2021-01-26 23:37:34,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:37:34 BoogieIcfgContainer [2021-01-26 23:37:34,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 23:37:34,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 23:37:34,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 23:37:34,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 23:37:34,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 11:37:32" (1/3) ... [2021-01-26 23:37:34,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c5de5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:37:34, skipping insertion in model container [2021-01-26 23:37:34,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:37:33" (2/3) ... [2021-01-26 23:37:34,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c5de5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:37:34, skipping insertion in model container [2021-01-26 23:37:34,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:37:34" (3/3) ... [2021-01-26 23:37:34,085 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_37-indirect_racing.i [2021-01-26 23:37:34,107 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 23:37:34,108 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 23:37:34,112 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 23:37:34,114 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 23:37:34,149 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,150 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,150 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,150 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,151 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,151 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,151 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,152 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,153 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,154 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,155 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,155 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,155 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,155 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,156 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,156 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,156 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,157 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,157 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,157 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,158 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,159 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,160 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,167 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,167 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,167 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,168 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:37:34,180 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-26 23:37:34,199 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-26 23:37:34,233 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 23:37:34,233 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 23:37:34,234 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 23:37:34,234 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 23:37:34,234 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 23:37:34,234 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 23:37:34,235 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 23:37:34,235 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 40 and size of Sequence is : 41[2021-01-26 23:37:34,271 INFO L164 SleepSetCegar]: Size of mCounterexample is: 41 [2021-01-26 23:37:34,272 INFO L165 SleepSetCegar]: [101#[ULTIMATE.startENTRY]don't care, 103#[L-1]don't care, 105#[L-1-1]don't care, 107#[L683]don't care, 109#[L683-1]don't care, 111#[L683-2]don't care, 113#[L683-3]don't care, 115#[L683-4]don't care, 117#[L689]don't care, 119#[L689-1]don't care, 121#[L689-2]don't care, 123#[L689-3]don't care, 125#[L689-4]don't care, 127#[L689-5]don't care, 129#[L690]don't care, 131#[L690-1]don't care, 133#[L692]don't care, 135#[L693]don't care, 137#[L693-1]don't care, 139#[L693-2]don't care, 141#[L693-3]don't care, 143#[L693-4]don't care, 145#[L693-5]don't care, 147#[L693-6]don't care, 149#[L-1-2]don't care, 151#[L701]don't care, 153#[L701-1]don't care, 155#[L702]don't care, 157#[L702-1]don't care, 159#[L702-10]don't care, 163#[L703-6]don't care, 165#[L703]don't care, 169#[L703-1]don't care, 171#[L703-2]don't care, 173#[L703-3]don't care, 175#[L684]don't care, 177#[L684-1]don't care, 181#[L684-2]don't care, 183#[L683-5]don't care, 187#[L683-7]don't care, 191#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-26 23:37:34,272 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:37:34,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:37:34,281 INFO L82 PathProgramCache]: Analyzing trace with hash 744827524, now seen corresponding path program 1 times [2021-01-26 23:37:34,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:37:34,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515970217] [2021-01-26 23:37:34,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:37:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:37:34,591 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 23:37:34,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515970217] [2021-01-26 23:37:34,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:37:34,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 23:37:34,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414381274] [2021-01-26 23:37:34,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-26 23:37:34,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:37:34,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-26 23:37:34,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-26 23:37:34,627 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:37:34,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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: 40 and size of Sequence is : 41[2021-01-26 23:37:34,641 INFO L164 SleepSetCegar]: Size of mCounterexample is: 41 [2021-01-26 23:37:34,642 INFO L165 SleepSetCegar]: [194#[ULTIMATE.startENTRY]true, 195#[L-1]true, 196#[L-1-1]true, 197#[L683]true, 198#[L683-1]true, 199#[L683-2]true, 200#[L683-3]true, 201#[L683-4]true, 202#[L689]true, 203#[L689-1]true, 204#[L689-2]true, 205#[L689-3]true, 206#[L689-4]true, 207#[L689-5]true, 208#[L690]true, 209#[L690-1]true, 210#[L692]true, 211#[L693]true, 212#[L693-1]true, 213#[L693-2]true, 214#[L693-3]true, 215#[L693-4]true, 216#[L693-5]true, 217#[L693-6]true, 218#[L-1-2]true, 219#[L701]true, 220#[L701-1]true, 221#[L702]true, 222#[L702-1]true, 223#[L702-10]true, 226#[L703-6]true, 227#[L703]true, 229#[L703-1]true, 230#[L703-2]true, 231#[L703-3]true, 232#[L684]true, 233#[L684-1]true, 235#[L684-2]true, 236#[L683-5]true, 238#[L683-7]true, 240#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-26 23:37:34,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 23:37:34,643 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:37:34,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:37:34,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1052123835, now seen corresponding path program 1 times [2021-01-26 23:37:34,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:37:34,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561518948] [2021-01-26 23:37:34,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:37:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:37:34,795 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 23:37:34,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561518948] [2021-01-26 23:37:34,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:37:34,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-26 23:37:34,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684472584] [2021-01-26 23:37:34,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-26 23:37:34,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:37:34,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-26 23:37:34,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 23:37:34,801 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:37:34,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 23:37:34,851 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 73 and size of Sequence is : 74[2021-01-26 23:37:34,891 INFO L164 SleepSetCegar]: Size of mCounterexample is: 74 [2021-01-26 23:37:34,893 INFO L165 SleepSetCegar]: [245#[ULTIMATE.startENTRY]true, 247#[L-1]true, 249#[L-1-1]true, 251#[L683]true, 253#[L683-1]true, 255#[L683-2]true, 257#[L683-3]true, 259#[L683-4]true, 261#[L689]true, 263#[L689-1]true, 265#[L689-2]true, 267#[L689-3]true, 269#[L689-4]true, 271#[L689-5]true, 273#[L690]true, 275#[L690-1]true, 277#[L692]true, 279#[L693]true, 281#[L693-1]true, 283#[L693-2]true, 285#[L693-3]true, 287#[L693-4]true, 289#[L693-5]true, 291#[L693-6]true, 293#[L-1-2]true, 295#[L701]true, 297#[L701-1]true, 299#[L702]true, 301#[L702-1]true, 303#[L702-10](= ULTIMATE.start_main_~i~0 0), 305#[L702-4](= ULTIMATE.start_main_~i~0 0), 314#[L702-5](= ULTIMATE.start_main_~i~0 0), 319#[t_funENTRY, L702-6](= ULTIMATE.start_main_~i~0 0), 327#[L702-6, L695](= ULTIMATE.start_main_~i~0 0), 337#[L695-1, L702-6](= ULTIMATE.start_main_~i~0 0), 349#[L702-6, L696-21](= ULTIMATE.start_main_~i~0 0), 360#[L696-9, L702-6](= ULTIMATE.start_main_~i~0 0), 375#[L702-6, L696-1](= ULTIMATE.start_main_~i~0 0), 389#[L696-2, L702-6](= ULTIMATE.start_main_~i~0 0), 397#[L696-3, L702-6](= ULTIMATE.start_main_~i~0 0), 407#[L696-4, L702-6](= ULTIMATE.start_main_~i~0 0), 419#[L702-6, L696-5](= ULTIMATE.start_main_~i~0 0), 429#[L702-6, L696-6](= ULTIMATE.start_main_~i~0 0), 437#[L696-7, L702-6](= ULTIMATE.start_main_~i~0 0), 447#[L702-6, L696-8](= ULTIMATE.start_main_~i~0 0), 460#[L696-19, L702-6](= ULTIMATE.start_main_~i~0 0), 471#[L702-6, L696-11](= ULTIMATE.start_main_~i~0 0), 483#[L702-6, L696-12](= ULTIMATE.start_main_~i~0 0), 495#[L696-13, L702-6](= ULTIMATE.start_main_~i~0 0), 503#[L696-14, L702-6](= ULTIMATE.start_main_~i~0 0), 513#[L702-6, L696-15](= ULTIMATE.start_main_~i~0 0), 525#[L702-6, L696-16](= ULTIMATE.start_main_~i~0 0), 533#[L702-6, L696-17](= ULTIMATE.start_main_~i~0 0), 543#[L696-18, L702-6](= ULTIMATE.start_main_~i~0 0), 553#[L696-20, L702-6](= ULTIMATE.start_main_~i~0 0), 564#[L702-6, L696-22](= ULTIMATE.start_main_~i~0 0), 572#[L698, L702-6](= ULTIMATE.start_main_~i~0 0), 584#[L702-6, t_funFINAL](= ULTIMATE.start_main_~i~0 0), 594#[L702-6, t_funEXIT](= ULTIMATE.start_main_~i~0 0), 599#[L702-7, t_funEXIT](= ULTIMATE.start_main_~i~0 0), 604#[L702-8, t_funEXIT](= ULTIMATE.start_main_~i~0 0), 609#[L702-9, t_funEXIT]true, 614#[L702-10, t_funEXIT]true, 627#[L703-6, t_funEXIT]true, 635#[L703, t_funEXIT]true, 642#[L703-1, t_funEXIT]true, 647#[L703-2, t_funEXIT]true, 652#[L703-3, t_funEXIT]true, 657#[t_funEXIT, L684]true, 662#[L684-1, t_funEXIT]true, 672#[L684-2, t_funEXIT]true, 677#[L683-5, t_funEXIT]true, 687#[L683-7, t_funEXIT]true, 697#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funEXIT]true] [2021-01-26 23:37:34,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 23:37:34,894 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:37:34,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:37:34,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1664649881, now seen corresponding path program 1 times [2021-01-26 23:37:34,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:37:34,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209706859] [2021-01-26 23:37:34,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:37:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:37:35,152 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 23:37:35,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209706859] [2021-01-26 23:37:35,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899511846] [2021-01-26 23:37:35,153 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 23:37:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:37:35,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-26 23:37:35,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-26 23:37:35,379 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 23:37:35,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-26 23:37:35,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-26 23:37:35,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362294614] [2021-01-26 23:37:35,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:37:35,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:37:35,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:37:35,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:37:35,384 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:37:35,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 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: 65 and size of Sequence is : 66[2021-01-26 23:37:35,693 INFO L164 SleepSetCegar]: Size of mCounterexample is: 66 [2021-01-26 23:37:35,694 INFO L165 SleepSetCegar]: [922#[ULTIMATE.startENTRY]true, 924#[L-1]true, 926#[L-1-1]true, 928#[L683]true, 930#[L683-1]true, 932#[L683-2]true, 934#[L683-3]true, 936#[L683-4]true, 938#[L689]true, 940#[L689-1]true, 942#[L689-2]true, 944#[L689-3]true, 946#[L689-4]true, 948#[L689-5]true, 950#[L690]true, 952#[L690-1]true, 954#[L692]true, 956#[L693]true, 958#[L693-1]true, 960#[L693-2]true, 962#[L693-3]true, 964#[L693-4]true, 966#[L693-5]true, 968#[L693-6]true, 970#[L-1-2]true, 972#[L701]true, 974#[L701-1]true, 976#[L702]true, 978#[L702-1]true, 980#[L702-10](= ULTIMATE.start_main_~i~0 0), 982#[L702-4](= ULTIMATE.start_main_~i~0 0), 988#[L702-5](= ULTIMATE.start_main_~i~0 0), 990#[t_funENTRY, L702-6](= ULTIMATE.start_main_~i~0 0), 992#[L702-6, L695](= ULTIMATE.start_main_~i~0 0), 996#[L695-1, L702-6](= ULTIMATE.start_main_~i~0 0), 1002#[L702-6, L696-21](= ULTIMATE.start_main_~i~0 0), 1004#[L696-9, L702-6](= ULTIMATE.start_main_~i~0 0), 1010#[L702-6, L696-1](= ULTIMATE.start_main_~i~0 0), 1018#[L696-2, L702-6](= ULTIMATE.start_main_~i~0 0), 1020#[L696-3, L702-6](= ULTIMATE.start_main_~i~0 0), 1024#[L696-4, L702-6](= ULTIMATE.start_main_~i~0 0), 1030#[L702-6, L696-5](= ULTIMATE.start_main_~i~0 0), 1034#[L702-6, L696-6](= ULTIMATE.start_main_~i~0 0), 1036#[L696-7, L702-6](= ULTIMATE.start_main_~i~0 0), 1040#[L702-6, L696-8](= ULTIMATE.start_main_~i~0 0), 1048#[L696-19, L702-6](= ULTIMATE.start_main_~i~0 0), 1050#[L702-6, L696-11](= ULTIMATE.start_main_~i~0 0), 1056#[L702-6, L696-12](= ULTIMATE.start_main_~i~0 0), 1062#[L696-13, L702-6](= ULTIMATE.start_main_~i~0 0), 1064#[L696-14, L702-6](= ULTIMATE.start_main_~i~0 0), 1068#[L702-6, L696-15](= ULTIMATE.start_main_~i~0 0), 1074#[L702-6, L696-16](= ULTIMATE.start_main_~i~0 0), 1076#[L702-6, L696-17](= ULTIMATE.start_main_~i~0 0), 1080#[L696-18, L702-6](= ULTIMATE.start_main_~i~0 0), 1086#[L696-20, L702-6](= ULTIMATE.start_main_~i~0 0), 1092#[L702-6, L696-22](= ULTIMATE.start_main_~i~0 0), 1094#[L698, L702-6](= ULTIMATE.start_main_~i~0 0), 1100#[L702-6, t_funFINAL](= ULTIMATE.start_main_~i~0 0), 1104#[L702-6, t_funEXIT](= ULTIMATE.start_main_~i~0 0), 1106#[L702-7, t_funEXIT](= ULTIMATE.start_main_~i~0 0), 1110#[L702-8, t_funEXIT](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post12| 0)), 1114#[L702-9, t_funEXIT](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1116#[L702-10, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1118#[L702-4, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1129#[L702-5, t_funEXIT](<= ULTIMATE.start_main_~i~0 1), 1136#[ULTIMATE.startErr0INUSE_VIOLATION, t_funEXIT](<= ULTIMATE.start_main_~i~0 1)] [2021-01-26 23:37:35,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-26 23:37:35,896 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:37:35,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:37:35,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1662865475, now seen corresponding path program 1 times [2021-01-26 23:37:35,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:37:35,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110284721] [2021-01-26 23:37:35,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:37:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:37:35,966 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:37:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:37:36,011 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:37:36,057 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 23:37:36,058 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 23:37:36,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 23:37:36,059 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-26 23:37:36,059 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-26 23:37:36,067 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@48c0ff90 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 23:37:36,073 INFO L168 Benchmark]: Toolchain (without parser) took 3817.18 ms. Allocated memory is still 312.5 MB. Free memory was 286.9 MB in the beginning and 155.8 MB in the end (delta: 131.1 MB). Peak memory consumption was 133.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:36,073 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 312.5 MB. Free memory is still 283.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:37:36,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.93 ms. Allocated memory is still 312.5 MB. Free memory was 285.9 MB in the beginning and 287.7 MB in the end (delta: -1.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:36,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.57 ms. Allocated memory is still 312.5 MB. Free memory was 287.7 MB in the beginning and 285.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:36,076 INFO L168 Benchmark]: Boogie Preprocessor took 81.35 ms. Allocated memory is still 312.5 MB. Free memory was 285.8 MB in the beginning and 283.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:36,077 INFO L168 Benchmark]: RCFGBuilder took 747.90 ms. Allocated memory is still 312.5 MB. Free memory was 283.7 MB in the beginning and 256.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:36,079 INFO L168 Benchmark]: TraceAbstraction took 1993.08 ms. Allocated memory is still 312.5 MB. Free memory was 255.4 MB in the beginning and 155.8 MB in the end (delta: 99.6 MB). Peak memory consumption was 100.7 MB. Max. memory is 16.0 GB. [2021-01-26 23:37:36,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 312.5 MB. Free memory is still 283.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 859.93 ms. Allocated memory is still 312.5 MB. Free memory was 285.9 MB in the beginning and 287.7 MB in the end (delta: -1.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 114.57 ms. Allocated memory is still 312.5 MB. Free memory was 287.7 MB in the beginning and 285.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 81.35 ms. Allocated memory is still 312.5 MB. Free memory was 285.8 MB in the beginning and 283.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 747.90 ms. Allocated memory is still 312.5 MB. Free memory was 283.7 MB in the beginning and 256.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1993.08 ms. Allocated memory is still 312.5 MB. Free memory was 255.4 MB in the beginning and 155.8 MB in the end (delta: 99.6 MB). Peak memory consumption was 100.7 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@48c0ff90 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@48c0ff90: 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...