/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/pthread/fib_bench_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 06:00:55,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 06:00:55,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 06:00:55,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 06:00:55,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 06:00:55,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 06:00:55,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 06:00:55,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 06:00:55,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 06:00:55,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 06:00:55,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 06:00:55,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 06:00:55,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 06:00:55,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 06:00:55,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 06:00:55,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 06:00:55,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 06:00:55,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 06:00:55,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 06:00:55,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 06:00:55,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 06:00:55,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 06:00:55,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 06:00:55,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 06:00:55,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-18 06:00:55,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-18 06:00:55,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-18 06:00:55,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-18 06:00:55,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-18 06:00:55,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-18 06:00:55,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 06:00:55,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 06:00:55,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 06:00:55,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 06:00:55,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 06:00:55,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 06:00:55,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 06:00:55,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 06:00:55,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 06:00:55,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 06:00:55,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 06:00:55,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2020-12-18 06:00:55,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 06:00:55,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 06:00:55,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 06:00:55,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 06:00:55,981 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 06:00:55,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 06:00:55,982 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 06:00:55,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 06:00:55,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 06:00:55,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 06:00:55,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 06:00:55,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 06:00:55,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 06:00:55,986 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 06:00:55,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 06:00:55,987 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 06:00:55,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 06:00:55,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 06:00:55,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 06:00:55,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 06:00:55,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 06:00:55,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 06:00:55,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 06:00:55,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 06:00:55,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 06:00:55,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 06:00:55,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 06:00:55,992 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 06:00:55,992 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 06:00:55,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 06:00:55,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 06:00:55,993 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 06:00:55,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 06:00:55,994 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 06:00:56,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 06:00:56,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 06:00:56,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 06:00:56,501 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 06:00:56,502 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 06:00:56,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench_longer-2.i [2020-12-18 06:00:56,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031d07cf3/be65147ccffe4ed1b82676c8c2083663/FLAG76411a753 [2020-12-18 06:00:57,301 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 06:00:57,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longer-2.i [2020-12-18 06:00:57,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031d07cf3/be65147ccffe4ed1b82676c8c2083663/FLAG76411a753 [2020-12-18 06:00:57,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/031d07cf3/be65147ccffe4ed1b82676c8c2083663 [2020-12-18 06:00:57,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 06:00:57,590 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 06:00:57,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 06:00:57,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 06:00:57,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 06:00:57,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:00:57" (1/1) ... [2020-12-18 06:00:57,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193f4e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:57, skipping insertion in model container [2020-12-18 06:00:57,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:00:57" (1/1) ... [2020-12-18 06:00:57,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 06:00:57,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 06:00:58,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 06:00:58,231 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 06:00:58,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 06:00:58,433 INFO L208 MainTranslator]: Completed translation [2020-12-18 06:00:58,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58 WrapperNode [2020-12-18 06:00:58,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 06:00:58,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 06:00:58,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 06:00:58,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 06:00:58,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (1/1) ... [2020-12-18 06:00:58,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (1/1) ... [2020-12-18 06:00:58,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 06:00:58,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 06:00:58,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 06:00:58,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 06:00:58,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (1/1) ... [2020-12-18 06:00:58,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (1/1) ... [2020-12-18 06:00:58,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (1/1) ... [2020-12-18 06:00:58,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (1/1) ... [2020-12-18 06:00:58,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (1/1) ... [2020-12-18 06:00:58,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (1/1) ... [2020-12-18 06:00:58,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (1/1) ... [2020-12-18 06:00:58,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 06:00:58,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 06:00:58,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 06:00:58,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 06:00:58,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 06:00:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-12-18 06:00:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-12-18 06:00:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-12-18 06:00:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-12-18 06:00:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 06:00:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-18 06:00:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 06:00:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 06:00:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 06:00:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-18 06:00:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 06:00:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 06:00:58,688 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-18 06:00:59,121 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 06:00:59,121 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-18 06:00:59,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:00:59 BoogieIcfgContainer [2020-12-18 06:00:59,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 06:00:59,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 06:00:59,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 06:00:59,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 06:00:59,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:00:57" (1/3) ... [2020-12-18 06:00:59,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3384fa45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:00:59, skipping insertion in model container [2020-12-18 06:00:59,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:00:58" (2/3) ... [2020-12-18 06:00:59,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3384fa45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:00:59, skipping insertion in model container [2020-12-18 06:00:59,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:00:59" (3/3) ... [2020-12-18 06:00:59,132 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench_longer-2.i [2020-12-18 06:00:59,148 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 06:00:59,148 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 06:00:59,152 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 06:00:59,153 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 06:00:59,181 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,182 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,182 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,182 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,182 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,183 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,183 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,183 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,183 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,184 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,184 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,184 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,184 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,185 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,185 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,185 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,185 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,187 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,188 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,188 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,189 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,189 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,189 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,190 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,190 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,190 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,190 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,191 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,191 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,191 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,191 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,192 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,192 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,192 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,192 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,193 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,193 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,193 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,194 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,194 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,194 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,194 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,195 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,195 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,195 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,195 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,196 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,196 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,196 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,199 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,199 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,199 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,200 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,208 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,208 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,208 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,209 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 06:00:59,211 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 06:00:59,225 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-18 06:00:59,247 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 06:00:59,248 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 06:00:59,248 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 06:00:59,248 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 06:00:59,248 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 06:00:59,248 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 06:00:59,248 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 06:00:59,249 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 06:00:59,941 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 673ms [2020-12-18 06:00:59,941 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 2229 states, but on-demand construction may add more states [2020-12-18 06:00:59,954 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 2229 states, 1965 states have (on average 1.3572519083969465) internal successors, (2667), 2228 states have internal predecessors, (2667), 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[2020-12-18 06:00:59,968 INFO L131 SleepSetCegar]: Size of mCounterexample is: 41 [2020-12-18 06:00:59,968 INFO L132 SleepSetCegar]: [72#[ULTIMATE.startENTRY]don't care, 75#[L-1]don't care, 78#[L-1-1]don't care, 81#[L20]don't care, 84#[L20-1]don't care, 87#[L20-2]don't care, 90#[L20-3]don't care, 93#[L20-4]don't care, 96#[L694]don't care, 99#[L-1-2]don't care, 102#[L-1-3]don't care, 105#[L-1-4]don't care, 108#[L717]don't care, 111#[L717-1]don't care, 114#[L720]don't care, 117#[L720-1]don't care, 120#[L720-2]don't care, 123#[L721]don't care, 126#[L721-1, t1ENTRY]don't care, 131#[L698, L721-1]don't care, 137#[L699, L721-1]don't care, 143#[L699-5, L721-1]don't care, 149#[L721-1, L699-6]don't care, 157#[t1FINAL, L721-1]don't care, 165#[t1EXIT, L721-1]don't care, 169#[t1EXIT, L722]don't care, 172#[L722-1, t1EXIT]don't care, 175#[t2ENTRY, L722-2, t1EXIT]don't care, 180#[t2ENTRY, t1EXIT, L723]don't care, 186#[t2ENTRY, L725, t1EXIT]don't care, 190#[L709, L725, t1EXIT]don't care, 198#[L725, t1EXIT, L710]don't care, 202#[L710-5, L725, t1EXIT]don't care, 208#[L725, t1EXIT, L710-6]don't care, 218#[L725, t1EXIT, t2FINAL]don't care, 226#[t2EXIT, L725, t1EXIT]don't care, 230#[L728, t2EXIT, t1EXIT]don't care, 235#[L730, t2EXIT, t1EXIT]don't care, 239#[t2EXIT, t1EXIT, L20-5]don't care, 242#[L20-7, t2EXIT, t1EXIT]don't care, 272#[t2EXIT, t1EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 06:00:59,969 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 06:00:59,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 06:00:59,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1628982572, now seen corresponding path program 1 times [2020-12-18 06:00:59,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 06:00:59,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533871528] [2020-12-18 06:00:59,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 06:01:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 06:01:00,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 06:01:00,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533871528] [2020-12-18 06:01:00,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 06:01:00,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 06:01:00,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418094187] [2020-12-18 06:01:00,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 06:01:00,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 06:01:00,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 06:01:00,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 06:01:00,231 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 06:01:00,231 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[2020-12-18 06:01:00,456 INFO L131 SleepSetCegar]: Size of mCounterexample is: 41 [2020-12-18 06:01:00,457 INFO L132 SleepSetCegar]: [11608#[ULTIMATE.startENTRY]true, 11610#[L-1]true, 11612#[L-1-1]true, 11614#[L20]true, 11616#[L20-1]true, 11618#[L20-2]true, 11620#[L20-3]true, 11622#[L20-4]true, 11624#[L694]true, 11626#[L-1-2]true, 11628#[L-1-3]true, 11630#[L-1-4]true, 11632#[L717]true, 11634#[L717-1]true, 11636#[L720]true, 11638#[L720-1]true, 11640#[L720-2]true, 11642#[L721]true, 11644#[L721-1, t1ENTRY]true, 11647#[L698, L721-1]true, 11651#[L699, L721-1]true, 11655#[L699-5, L721-1]true, 11659#[L721-1, L699-6]true, 13756#[t1FINAL, L721-1]true, 13760#[t1EXIT, L721-1]true, 13763#[t1EXIT, L722]true, 13765#[L722-1, t1EXIT]true, 13767#[t2ENTRY, L722-2, t1EXIT]true, 13769#[t2ENTRY, t1EXIT, L723]true, 13773#[t2ENTRY, L725, t1EXIT]true, 13777#[L709, L725, t1EXIT]true, 13781#[L725, t1EXIT, L710]true, 13785#[L710-5, L725, t1EXIT]true, 13790#[L725, t1EXIT, L710-6]true, 13895#[L725, t1EXIT, t2FINAL]true, 13898#[t2EXIT, L725, t1EXIT]true, 13902#[L728, t2EXIT, t1EXIT]true, 13904#[L730, t2EXIT, t1EXIT]true, 13908#[t2EXIT, t1EXIT, L20-5]true, 13910#[L20-7, t2EXIT, t1EXIT]true, 13921#[t2EXIT, t1EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 06:01:00,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 06:01:00,458 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 06:01:00,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 06:01:00,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1767646260, now seen corresponding path program 1 times [2020-12-18 06:01:00,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 06:01:00,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115223597] [2020-12-18 06:01:00,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 06:01:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 06:01:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-18 06:01:00,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115223597] [2020-12-18 06:01:00,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 06:01:00,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-18 06:01:00,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097690610] [2020-12-18 06:01:00,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 06:01:00,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 06:01:00,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 06:01:00,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 06:01:00,554 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 06:01:00,555 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) [2020-12-18 06:01:00,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 06:01:00,588 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@4a110d at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:62) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:62) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:96) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.lambda$0(SleepSetNewStateReduction.java:129) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:130) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-18 06:01:00,593 INFO L168 Benchmark]: Toolchain (without parser) took 3002.36 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 141.0 MB in the end (delta: 135.5 MB). Peak memory consumption was 134.6 MB. Max. memory is 16.0 GB. [2020-12-18 06:01:00,594 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 271.8 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 06:01:00,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.00 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 247.7 MB in the end (delta: 28.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2020-12-18 06:01:00,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.84 ms. Allocated memory is still 302.0 MB. Free memory was 247.7 MB in the beginning and 245.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 06:01:00,597 INFO L168 Benchmark]: Boogie Preprocessor took 31.36 ms. Allocated memory is still 302.0 MB. Free memory was 245.8 MB in the beginning and 244.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 06:01:00,598 INFO L168 Benchmark]: RCFGBuilder took 572.78 ms. Allocated memory is still 302.0 MB. Free memory was 244.3 MB in the beginning and 265.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. [2020-12-18 06:01:00,599 INFO L168 Benchmark]: TraceAbstraction took 1465.75 ms. Allocated memory is still 302.0 MB. Free memory was 265.8 MB in the beginning and 141.0 MB in the end (delta: 124.8 MB). Peak memory consumption was 125.8 MB. Max. memory is 16.0 GB. [2020-12-18 06:01:00,603 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 271.9 MB in the beginning and 271.8 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 842.00 ms. Allocated memory is still 302.0 MB. Free memory was 276.2 MB in the beginning and 247.7 MB in the end (delta: 28.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 80.84 ms. Allocated memory is still 302.0 MB. Free memory was 247.7 MB in the beginning and 245.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.36 ms. Allocated memory is still 302.0 MB. Free memory was 245.8 MB in the beginning and 244.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 572.78 ms. Allocated memory is still 302.0 MB. Free memory was 244.3 MB in the beginning and 265.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1465.75 ms. Allocated memory is still 302.0 MB. Free memory was 265.8 MB in the beginning and 141.0 MB in the end (delta: 124.8 MB). Peak memory consumption was 125.8 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@4a110d de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@4a110d: 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...