/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 03:11:58,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 03:11:58,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 03:11:58,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 03:11:58,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 03:11:58,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 03:11:58,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 03:11:58,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 03:11:58,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 03:11:58,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 03:11:58,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 03:11:58,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 03:11:58,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 03:11:58,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 03:11:58,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 03:11:58,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 03:11:58,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 03:11:58,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 03:11:58,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 03:11:58,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 03:11:58,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 03:11:58,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 03:11:58,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 03:11:58,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 03:11:58,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 03:11:58,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 03:11:58,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 03:11:58,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 03:11:58,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 03:11:58,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 03:11:58,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 03:11:58,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 03:11:58,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 03:11:58,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 03:11:58,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 03:11:58,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 03:11:58,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2021-01-27 03:11:58,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 03:11:58,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 03:11:58,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 03:11:58,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 03:11:58,251 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 03:11:58,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 03:11:58,252 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 03:11:58,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 03:11:58,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 03:11:58,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 03:11:58,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 03:11:58,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 03:11:58,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 03:11:58,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 03:11:58,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 03:11:58,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 03:11:58,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 03:11:58,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 03:11:58,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 03:11:58,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 03:11:58,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 03:11:58,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 03:11:58,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 03:11:58,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 03:11:58,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 03:11:58,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 03:11:58,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 03:11:58,257 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 03:11:58,257 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 03:11:58,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 03:11:58,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 03:11:58,258 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 03:11:58,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 03:11:58,258 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 03:11:58,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 03:11:58,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 03:11:58,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 03:11:58,683 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 03:11:58,683 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 03:11:58,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i [2021-01-27 03:11:58,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c228c272/86727a1e61e44979bded5488068b17c9/FLAGe5664222f [2021-01-27 03:11:59,529 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 03:11:59,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_12-ptr_racefree.i [2021-01-27 03:11:59,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c228c272/86727a1e61e44979bded5488068b17c9/FLAGe5664222f [2021-01-27 03:11:59,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c228c272/86727a1e61e44979bded5488068b17c9 [2021-01-27 03:11:59,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 03:11:59,774 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 03:11:59,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 03:11:59,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 03:11:59,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 03:11:59,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:59" (1/1) ... [2021-01-27 03:11:59,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d5c8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:59, skipping insertion in model container [2021-01-27 03:11:59,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:59" (1/1) ... [2021-01-27 03:11:59,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 03:11:59,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 03:12:00,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:12:00,446 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 03:12:00,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:12:00,658 INFO L208 MainTranslator]: Completed translation [2021-01-27 03:12:00,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00 WrapperNode [2021-01-27 03:12:00,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 03:12:00,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 03:12:00,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 03:12:00,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 03:12:00,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (1/1) ... [2021-01-27 03:12:00,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (1/1) ... [2021-01-27 03:12:00,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 03:12:00,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 03:12:00,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 03:12:00,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 03:12:00,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (1/1) ... [2021-01-27 03:12:00,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (1/1) ... [2021-01-27 03:12:00,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (1/1) ... [2021-01-27 03:12:00,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (1/1) ... [2021-01-27 03:12:00,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (1/1) ... [2021-01-27 03:12:00,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (1/1) ... [2021-01-27 03:12:00,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (1/1) ... [2021-01-27 03:12:00,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 03:12:00,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 03:12:00,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 03:12:00,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 03:12:00,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 03:12:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-27 03:12:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 03:12:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-27 03:12:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 03:12:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-27 03:12:00,959 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-27 03:12:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 03:12:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 03:12:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 03:12:00,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 03:12:00,961 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 03:12:01,565 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 03:12:01,565 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2021-01-27 03:12:01,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:12:01 BoogieIcfgContainer [2021-01-27 03:12:01,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 03:12:01,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 03:12:01,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 03:12:01,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 03:12:01,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:11:59" (1/3) ... [2021-01-27 03:12:01,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70834b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:12:01, skipping insertion in model container [2021-01-27 03:12:01,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:12:00" (2/3) ... [2021-01-27 03:12:01,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70834b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:12:01, skipping insertion in model container [2021-01-27 03:12:01,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:12:01" (3/3) ... [2021-01-27 03:12:01,582 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_12-ptr_racefree.i [2021-01-27 03:12:01,599 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 03:12:01,600 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 03:12:01,605 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 03:12:01,606 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 03:12:01,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,663 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,663 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,664 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,664 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,664 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,664 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,665 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,665 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,667 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,668 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,668 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,674 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,675 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,675 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,676 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,676 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,680 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,681 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,682 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,682 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,683 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,683 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,683 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,683 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,684 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:12:01,711 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-27 03:12:01,725 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-27 03:12:01,771 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 03:12:01,772 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 03:12:01,772 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 03:12:01,772 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 03:12:01,772 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 03:12:01,772 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 03:12:01,773 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 03:12:01,773 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 60 and size of Sequence is : 61[2021-01-27 03:12:01,828 INFO L164 SleepSetCegar]: Size of mCounterexample is: 61 [2021-01-27 03:12:01,831 INFO L165 SleepSetCegar]: [110#[ULTIMATE.startENTRY]don't care, 113#[L-1]don't care, 116#[L-1-1]don't care, 119#[L-1-2]don't care, 122#[L683]don't care, 125#[L683-1]don't care, 128#[L683-2]don't care, 131#[L683-3]don't care, 134#[L683-4]don't care, 137#[L689]don't care, 140#[L689-1]don't care, 143#[L689-2]don't care, 146#[L689-3]don't care, 149#[L689-4]don't care, 152#[L689-5]don't care, 155#[L690]don't care, 158#[L690-1]don't care, 161#[L691]don't care, 164#[L691-1]don't care, 167#[L691-2]don't care, 170#[L691-3]don't care, 173#[L691-4]don't care, 176#[L691-5]don't care, 179#[L692]don't care, 182#[L692-1]don't care, 185#[L692-2]don't care, 188#[L692-3]don't care, 191#[L692-4]don't care, 194#[L692-5]don't care, 197#[L692-6]don't care, 200#[L-1-3]don't care, 203#[L-1-4]don't care, 206#[L701]don't care, 209#[L701-1]don't care, 212#[L701-10]don't care, 215#[L701-11]don't care, 222#[L702]don't care, 225#[L703-7]don't care, 228#[L703-1]don't care, 234#[L703-2]don't care, 237#[L703-3]don't care, 240#[L703-4]don't care, 243#[L684]don't care, 246#[L684-1]don't care, 251#[L684-2]don't care, 255#[L683-5]don't care, 258#[L683-9]don't care, 249#[L684-4]don't care, 265#[L703-5]don't care, 268#[L703-6]don't care, 225#[L703-7]don't care, 228#[L703-1]don't care, 234#[L703-2]don't care, 237#[L703-3]don't care, 240#[L703-4]don't care, 243#[L684]don't care, 246#[L684-1]don't care, 251#[L684-2]don't care, 255#[L683-5]don't care, 260#[L683-7]don't care, 324#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-27 03:12:01,832 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:12:01,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:12:01,845 INFO L82 PathProgramCache]: Analyzing trace with hash -2111557148, now seen corresponding path program 1 times [2021-01-27 03:12:01,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:12:01,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800193080] [2021-01-27 03:12:01,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:12:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:12:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:12:02,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800193080] [2021-01-27 03:12:02,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:12:02,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 03:12:02,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771245393] [2021-01-27 03:12:02,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 03:12:02,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:12:02,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 03:12:02,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 03:12:02,172 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:12:02,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 47 and size of Sequence is : 48[2021-01-27 03:12:02,186 INFO L164 SleepSetCegar]: Size of mCounterexample is: 48 [2021-01-27 03:12:02,187 INFO L165 SleepSetCegar]: [330#[ULTIMATE.startENTRY]true, 332#[L-1]true, 334#[L-1-1]true, 336#[L-1-2]true, 338#[L683]true, 340#[L683-1]true, 342#[L683-2]true, 344#[L683-3]true, 346#[L683-4]true, 348#[L689]true, 350#[L689-1]true, 352#[L689-2]true, 354#[L689-3]true, 356#[L689-4]true, 358#[L689-5]true, 360#[L690]true, 362#[L690-1]true, 364#[L691]true, 366#[L691-1]true, 368#[L691-2]true, 370#[L691-3]true, 372#[L691-4]true, 374#[L691-5]true, 376#[L692]true, 378#[L692-1]true, 380#[L692-2]true, 382#[L692-3]true, 384#[L692-4]true, 386#[L692-5]true, 388#[L692-6]true, 390#[L-1-3]true, 392#[L-1-4]true, 394#[L701]true, 396#[L701-1]true, 398#[L701-10]true, 401#[L701-11]true, 406#[L702]true, 408#[L703-7]true, 410#[L703-1]true, 414#[L703-2]true, 416#[L703-3]true, 418#[L703-4]true, 420#[L684]true, 422#[L684-1]true, 425#[L684-2]true, 428#[L683-5]true, 431#[L683-7]true, 434#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 03:12:02,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 03:12:02,187 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:12:02,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:12:02,188 INFO L82 PathProgramCache]: Analyzing trace with hash -506927869, now seen corresponding path program 1 times [2021-01-27 03:12:02,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:12:02,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765461344] [2021-01-27 03:12:02,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:12:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:12:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:12:02,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765461344] [2021-01-27 03:12:02,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:12:02,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-27 03:12:02,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565344167] [2021-01-27 03:12:02,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-27 03:12:02,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:12:02,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-27 03:12:02,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-27 03:12:02,382 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:12:02,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 03:12:02,408 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 81 and size of Sequence is : 82[2021-01-27 03:12:02,454 INFO L164 SleepSetCegar]: Size of mCounterexample is: 82 [2021-01-27 03:12:02,455 INFO L165 SleepSetCegar]: [441#[ULTIMATE.startENTRY]true, 444#[L-1]true, 447#[L-1-1]true, 450#[L-1-2]true, 453#[L683]true, 456#[L683-1]true, 459#[L683-2]true, 462#[L683-3]true, 465#[L683-4]true, 468#[L689]true, 471#[L689-1]true, 474#[L689-2]true, 477#[L689-3]true, 480#[L689-4]true, 483#[L689-5]true, 486#[L690]true, 489#[L690-1]true, 492#[L691]true, 495#[L691-1]true, 498#[L691-2]true, 501#[L691-3]true, 504#[L691-4]true, 507#[L691-5]true, 510#[L692]true, 513#[L692-1]true, 516#[L692-2]true, 519#[L692-3]true, 522#[L692-4]true, 525#[L692-5]true, 528#[L692-6]true, 531#[L-1-3]true, 534#[L-1-4]true, 537#[L701]true, 540#[L701-1]true, 543#[L701-10](= ULTIMATE.start_main_~i~0 0), 550#[L701-4](= ULTIMATE.start_main_~i~0 0), 558#[L701-5](= ULTIMATE.start_main_~i~0 0), 564#[L701-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 573#[L701-7, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 587#[L701-8, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 599#[L701-9, t_funENTRY]true, 609#[L701-9, L694]true, 623#[L701-9, L695]true, 633#[L701-9, L695-1]true, 645#[L701-9, L696-21]true, 662#[L701-9, L696-9]true, 678#[L701-9, L696-1]true, 693#[L701-9, L696-2]true, 705#[L701-9, L696-3]true, 719#[L701-9, L696-4]true, 731#[L696-5, L701-9]true, 741#[L696-6, L701-9]true, 755#[L701-9, L696-7]true, 765#[L701-9, L696-8]true, 776#[L701-9, L696-19]true, 796#[L696-11, L701-9]true, 811#[L696-12, L701-9]true, 821#[L696-13, L701-9]true, 833#[L696-14, L701-9]true, 845#[L696-15, L701-9]true, 857#[L696-16, L701-9]true, 869#[L701-9, L696-17]true, 881#[L701-9, L696-18]true, 891#[L701-9, L696-20]true, 905#[L701-9, L696-22]true, 918#[L701-9, L698]true, 932#[t_funFINAL, L701-9]true, 942#[t_funEXIT, L701-9]true, 951#[t_funEXIT, L701-10]true, 963#[t_funEXIT, L701-11]true, 973#[t_funEXIT, L702]true, 979#[L703-7, t_funEXIT]true, 988#[t_funEXIT, L703-1]true, 997#[t_funEXIT, L703-2]true, 1003#[t_funEXIT, L703-3]true, 1009#[L703-4, t_funEXIT]true, 1015#[L684, t_funEXIT]true, 1021#[t_funEXIT, L684-1]true, 1032#[t_funEXIT, L684-2]true, 1039#[L683-5, t_funEXIT]true, 1050#[t_funEXIT, L683-7]true, 1060#[t_funEXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 03:12:02,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 03:12:02,456 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:12:02,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:12:02,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1502375893, now seen corresponding path program 1 times [2021-01-27 03:12:02,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:12:02,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103671261] [2021-01-27 03:12:02,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:12:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:12:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:12:02,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103671261] [2021-01-27 03:12:02,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384301371] [2021-01-27 03:12:02,652 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 [2021-01-27 03:12:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:12:02,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-27 03:12:02,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-27 03:12:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:12:02,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-27 03:12:02,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-27 03:12:02,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233804405] [2021-01-27 03:12:02,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 03:12:02,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:12:02,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 03:12:02,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-27 03:12:02,928 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:12:02,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 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: 71 and size of Sequence is : 72[2021-01-27 03:12:03,003 INFO L164 SleepSetCegar]: Size of mCounterexample is: 72 [2021-01-27 03:12:03,005 INFO L165 SleepSetCegar]: [1312#[ULTIMATE.startENTRY]true, 1315#[L-1]true, 1318#[L-1-1]true, 1321#[L-1-2]true, 1324#[L683]true, 1327#[L683-1]true, 1330#[L683-2]true, 1333#[L683-3]true, 1336#[L683-4]true, 1339#[L689]true, 1342#[L689-1]true, 1345#[L689-2]true, 1348#[L689-3]true, 1351#[L689-4]true, 1354#[L689-5]true, 1357#[L690]true, 1360#[L690-1]true, 1363#[L691]true, 1366#[L691-1]true, 1369#[L691-2]true, 1372#[L691-3]true, 1375#[L691-4]true, 1378#[L691-5]true, 1381#[L692]true, 1384#[L692-1]true, 1387#[L692-2]true, 1390#[L692-3]true, 1393#[L692-4]true, 1396#[L692-5]true, 1399#[L692-6]true, 1402#[L-1-3]true, 1405#[L-1-4]true, 1408#[L701]true, 1411#[L701-1]true, 1414#[L701-10](= ULTIMATE.start_main_~i~0 0), 1421#[L701-4](= ULTIMATE.start_main_~i~0 0), 1426#[L701-5](= ULTIMATE.start_main_~i~0 0), 1429#[L701-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 1432#[L701-7, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 1442#[L701-8, t_funENTRY](and (= ULTIMATE.start_main_~i~0 0) (= |ULTIMATE.start_main_#t~post12| 0)), 1450#[L701-9, t_funENTRY](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1454#[L701-9, L694](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1462#[L701-9, L695](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1466#[L701-9, L695-1](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1472#[L701-9, L696-21](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1480#[L701-9, L696-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1487#[L701-9, L696-1](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1496#[L701-9, L696-2](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1502#[L701-9, L696-3](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1510#[L701-9, L696-4](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1516#[L696-5, L701-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1520#[L696-6, L701-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1528#[L701-9, L696-7](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1532#[L701-9, L696-8](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1538#[L701-9, L696-19](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1549#[L696-11, L701-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1558#[L696-12, L701-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1562#[L696-13, L701-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1568#[L696-14, L701-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1574#[L696-15, L701-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1580#[L696-16, L701-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1586#[L701-9, L696-17](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1592#[L701-9, L696-18](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1598#[L701-9, L696-20](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1607#[L701-9, L696-22](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1614#[L701-9, L698](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1622#[t_funFINAL, L701-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1626#[t_funEXIT, L701-9](and (= |ULTIMATE.start_main_#t~post12| 0) (<= ULTIMATE.start_main_~i~0 1)), 1632#[t_funEXIT, L701-10](<= ULTIMATE.start_main_~i~0 1), 1639#[t_funEXIT, L701-4](<= ULTIMATE.start_main_~i~0 1), 1648#[t_funEXIT, L701-5](<= ULTIMATE.start_main_~i~0 1), 1656#[ULTIMATE.startErr0INUSE_VIOLATION, t_funEXIT](<= ULTIMATE.start_main_~i~0 1)] [2021-01-27 03:12:03,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-27 03:12:03,206 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:12:03,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:12:03,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1015486442, now seen corresponding path program 1 times [2021-01-27 03:12:03,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:12:03,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371063771] [2021-01-27 03:12:03,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:12:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:12:03,262 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:12:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:12:03,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:12:03,342 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-27 03:12:03,342 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-27 03:12:03,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 03:12:03,343 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-27 03:12:03,344 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-27 03:12:03,350 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@8c5ee92 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadAuxiliaryVariable(ThreadInstanceAdder.java:479) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInUseVariable(ThreadInstanceAdder.java:458) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstance(ThreadInstanceAdder.java:438) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:410) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-01-27 03:12:03,354 INFO L168 Benchmark]: Toolchain (without parser) took 3590.49 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 145.2 MB in the end (delta: 131.2 MB). Peak memory consumption was 130.3 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:03,355 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 271.6 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 03:12:03,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.77 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 245.7 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:03,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.90 ms. Allocated memory is still 302.0 MB. Free memory was 245.7 MB in the beginning and 243.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:03,358 INFO L168 Benchmark]: Boogie Preprocessor took 108.11 ms. Allocated memory is still 302.0 MB. Free memory was 243.6 MB in the beginning and 284.8 MB in the end (delta: -41.2 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:03,359 INFO L168 Benchmark]: RCFGBuilder took 698.76 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 256.4 MB in the end (delta: 28.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:03,360 INFO L168 Benchmark]: TraceAbstraction took 1779.33 ms. Allocated memory is still 302.0 MB. Free memory was 256.4 MB in the beginning and 145.2 MB in the end (delta: 111.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:12:03,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 271.6 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 882.77 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 245.7 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 97.90 ms. Allocated memory is still 302.0 MB. Free memory was 245.7 MB in the beginning and 243.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 108.11 ms. Allocated memory is still 302.0 MB. Free memory was 243.6 MB in the beginning and 284.8 MB in the end (delta: -41.2 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. * RCFGBuilder took 698.76 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 256.4 MB in the end (delta: 28.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1779.33 ms. Allocated memory is still 302.0 MB. Free memory was 256.4 MB in the beginning and 145.2 MB in the end (delta: 111.1 MB). Peak memory consumption was 111.1 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@8c5ee92 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@8c5ee92: 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...