/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-lit/fkp2013_variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 02:45:43,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 02:45:43,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 02:45:43,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 02:45:43,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 02:45:43,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 02:45:43,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 02:45:43,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 02:45:43,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 02:45:43,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 02:45:43,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 02:45:43,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 02:45:43,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 02:45:43,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 02:45:43,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 02:45:43,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 02:45:43,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 02:45:43,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 02:45:43,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 02:45:43,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 02:45:44,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 02:45:44,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 02:45:44,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 02:45:44,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 02:45:44,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 02:45:44,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 02:45:44,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 02:45:44,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 02:45:44,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 02:45:44,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 02:45:44,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 02:45:44,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 02:45:44,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 02:45:44,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 02:45:44,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 02:45:44,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 02:45:44,022 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 02:45:44,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 02:45:44,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 02:45:44,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 02:45:44,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 02:45:44,055 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 02:45:44,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 02:45:44,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 02:45:44,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 02:45:44,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 02:45:44,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 02:45:44,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 02:45:44,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 02:45:44,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 02:45:44,058 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 02:45:44,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 02:45:44,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 02:45:44,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 02:45:44,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 02:45:44,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 02:45:44,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 02:45:44,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 02:45:44,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 02:45:44,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 02:45:44,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 02:45:44,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 02:45:44,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 02:45:44,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 02:45:44,062 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 02:45:44,062 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 02:45:44,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 02:45:44,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 02:45:44,063 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 02:45:44,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 02:45:44,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 02:45:44,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 02:45:44,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 02:45:44,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 02:45:44,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 02:45:44,629 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 02:45:44,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2021-01-27 02:45:44,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44baf2bd8/06f8b07a41a14ffdab430c769775ba79/FLAGbe0b562a2 [2021-01-27 02:45:45,416 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 02:45:45,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2021-01-27 02:45:45,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44baf2bd8/06f8b07a41a14ffdab430c769775ba79/FLAGbe0b562a2 [2021-01-27 02:45:45,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44baf2bd8/06f8b07a41a14ffdab430c769775ba79 [2021-01-27 02:45:45,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 02:45:45,722 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 02:45:45,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 02:45:45,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 02:45:45,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 02:45:45,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:45:45" (1/1) ... [2021-01-27 02:45:45,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df08a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:45, skipping insertion in model container [2021-01-27 02:45:45,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:45:45" (1/1) ... [2021-01-27 02:45:45,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 02:45:45,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 02:45:46,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:45:46,275 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 02:45:46,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:45:46,473 INFO L208 MainTranslator]: Completed translation [2021-01-27 02:45:46,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46 WrapperNode [2021-01-27 02:45:46,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 02:45:46,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 02:45:46,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 02:45:46,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 02:45:46,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (1/1) ... [2021-01-27 02:45:46,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (1/1) ... [2021-01-27 02:45:46,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 02:45:46,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 02:45:46,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 02:45:46,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 02:45:46,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (1/1) ... [2021-01-27 02:45:46,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (1/1) ... [2021-01-27 02:45:46,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (1/1) ... [2021-01-27 02:45:46,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (1/1) ... [2021-01-27 02:45:46,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (1/1) ... [2021-01-27 02:45:46,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (1/1) ... [2021-01-27 02:45:46,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (1/1) ... [2021-01-27 02:45:46,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 02:45:46,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 02:45:46,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 02:45:46,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 02:45:46,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (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 02:45:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-01-27 02:45:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-01-27 02:45:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-01-27 02:45:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-01-27 02:45:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 02:45:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 02:45:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 02:45:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 02:45:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 02:45:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 02:45:46,711 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 02:45:47,320 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 02:45:47,320 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2021-01-27 02:45:47,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:45:47 BoogieIcfgContainer [2021-01-27 02:45:47,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 02:45:47,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 02:45:47,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 02:45:47,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 02:45:47,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:45:45" (1/3) ... [2021-01-27 02:45:47,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f314ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:45:47, skipping insertion in model container [2021-01-27 02:45:47,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:45:46" (2/3) ... [2021-01-27 02:45:47,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f314ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:45:47, skipping insertion in model container [2021-01-27 02:45:47,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:45:47" (3/3) ... [2021-01-27 02:45:47,336 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013_variant-2.i [2021-01-27 02:45:47,353 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 02:45:47,354 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 02:45:47,357 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 02:45:47,358 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 02:45:47,404 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,405 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,405 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,406 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,408 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,408 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,408 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,408 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,411 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,411 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,411 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,412 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,414 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,415 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,415 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,417 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,417 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,417 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,419 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,419 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,420 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,437 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,437 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:45:47,443 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-27 02:45:47,457 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-27 02:45:47,487 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 02:45:47,487 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 02:45:47,487 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 02:45:47,487 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 02:45:47,488 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 02:45:47,488 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 02:45:47,488 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 02:45:47,488 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 56 and size of Sequence is : 57[2021-01-27 02:45:47,541 INFO L164 SleepSetCegar]: Size of mCounterexample is: 57 [2021-01-27 02:45:47,542 INFO L165 SleepSetCegar]: [77#[ULTIMATE.startENTRY]don't care, 80#[L-1]don't care, 83#[L-1-1]don't care, 86#[L683]don't care, 89#[L683-1]don't care, 92#[L683-2]don't care, 95#[L683-3]don't care, 98#[L683-4]don't care, 101#[L698]don't care, 104#[L-1-2]don't care, 107#[L-1-3]don't care, 110#[L-1-4]don't care, 113#[L709]don't care, 116#[L709-1]don't care, 119#[L710]don't care, 122#[L710-1]don't care, 125#[L710-2]don't care, 128#[L712]don't care, 131#[L713]don't care, 134#[L713-1]don't care, 137#[L713-2]don't care, 140#[L714]don't care, 143#[L714-1]don't care, 146#[L685]don't care, 149#[L686]don't care, 154#[L686-1]don't care, 152#[L685-1]don't care, 159#[L715]don't care, 162#[thr1ENTRY, L715-1]don't care, 167#[thr1ENTRY, L716]don't care, 173#[L700, L716]don't care, 179#[L700-1, L716]don't care, 185#[L716, L688]don't care, 189#[L689, L716]don't care, 197#[L716, L690]don't care, 204#[L683, L716]don't care, 210#[L716, L683-4]don't care, 195#[L716, L689-2]don't care, 223#[L716, thr1FINAL]don't care, 231#[thr1EXIT, L716]don't care, 235#[L716-6, thr1EXIT]don't care, 240#[L717, thr1EXIT]don't care, 273#[thr1EXIT, L717-1]don't care, 276#[thr2ENTRY, thr1EXIT, L717-2]don't care, 279#[thr1EXIT, L717-2, L704]don't care, 285#[thr1EXIT, L717-2, L705]don't care, 291#[thr1EXIT, L717-2, L706]don't care, 297#[thr1EXIT, L717-2, L707]don't care, 305#[thr1EXIT, thr2FINAL, L717-2]don't care, 309#[thr1EXIT, L717-2, thr2EXIT]don't care, 315#[thr1EXIT, thr2EXIT, L716-3]don't care, 318#[L716-4, thr1EXIT, thr2EXIT]don't care, 321#[L716-5, thr1EXIT, thr2EXIT]don't care, 324#[L716-6, thr1EXIT, thr2EXIT]don't care, 329#[L717, thr1EXIT, thr2EXIT]don't care, 354#[thr1EXIT, L717-1, thr2EXIT]don't care, 357#[ULTIMATE.startErr1INUSE_VIOLATION, thr1EXIT, thr2EXIT]don't care] [2021-01-27 02:45:47,542 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-27 02:45:47,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:45:47,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1643009494, now seen corresponding path program 1 times [2021-01-27 02:45:47,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:45:47,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932856287] [2021-01-27 02:45:47,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:45:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:45:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-27 02:45:47,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932856287] [2021-01-27 02:45:47,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:45:47,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 02:45:47,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105752632] [2021-01-27 02:45:47,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 02:45:47,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:45:47,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 02:45:47,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 02:45:47,810 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:45:47,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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: 36 and size of Sequence is : 37[2021-01-27 02:45:47,824 INFO L164 SleepSetCegar]: Size of mCounterexample is: 37 [2021-01-27 02:45:47,825 INFO L165 SleepSetCegar]: [361#[ULTIMATE.startENTRY]true, 363#[L-1]true, 365#[L-1-1]true, 367#[L683]true, 369#[L683-1]true, 371#[L683-2]true, 373#[L683-3]true, 375#[L683-4]true, 377#[L698]true, 379#[L-1-2]true, 381#[L-1-3]true, 383#[L-1-4]true, 385#[L709]true, 387#[L709-1]true, 389#[L710]true, 391#[L710-1]true, 393#[L710-2]true, 395#[L712]true, 397#[L713]true, 399#[L713-1]true, 401#[L713-2]true, 403#[L714]true, 405#[L714-1]true, 407#[L685]true, 409#[L686]true, 411#[L685-1]true, 417#[L715]true, 419#[thr1ENTRY, L715-1]true, 422#[thr1ENTRY, L716]true, 426#[L700, L716]true, 430#[L700-1, L716]true, 434#[L716, L688]true, 437#[L689, L716]true, 442#[L716, L690]true, 447#[L683, L716]true, 453#[L683-2, L716]true, 464#[L716, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 02:45:47,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 02:45:47,826 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-27 02:45:47,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:45:47,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1690921403, now seen corresponding path program 1 times [2021-01-27 02:45:47,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:45:47,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25230587] [2021-01-27 02:45:47,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:45:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:45:48,155 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 02:45:48,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25230587] [2021-01-27 02:45:48,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:45:48,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-27 02:45:48,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098003424] [2021-01-27 02:45:48,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-27 02:45:48,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:45:48,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-27 02:45:48,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-27 02:45:48,160 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:45:48,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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: 52 and size of Sequence is : 53[2021-01-27 02:45:48,552 INFO L164 SleepSetCegar]: Size of mCounterexample is: 53 [2021-01-27 02:45:48,553 INFO L165 SleepSetCegar]: [476#[ULTIMATE.startENTRY]true, 479#[L-1]true, 482#[L-1-1]true, 485#[L683]true, 488#[L683-1]true, 491#[L683-2]true, 494#[L683-3]true, 497#[L683-4]true, 500#[L698](= ~x~0 0), 503#[L-1-2](= ~x~0 0), 506#[L-1-3](= ~x~0 0), 509#[L-1-4](= ~x~0 0), 512#[L709](= ~x~0 0), 515#[L709-1](= ~x~0 0), 518#[L710](= ~x~0 0), 521#[L710-1](= ~x~0 0), 524#[L710-2](= ~x~0 0), 527#[L712](= ~x~0 0), 530#[L713](= ~x~0 0), 533#[L713-1](= ~x~0 0), 536#[L713-2](= ~x~0 0), 539#[L714](= ~x~0 0), 544#[L714-1](and (or (<= 1 ~n~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)) (= ~x~0 0)), 547#[L685](and (or (<= 1 ~n~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)) (= ~x~0 0)), 552#[L686](let ((.cse0 (= ~x~0 0))) (let ((.cse1 (and .cse0 (<= 1 ~n~0)))) (and .cse0 (or (= ULTIMATE.start_assume_abort_if_not_~cond 0) .cse1) (or .cse1 (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0))))), 555#[L685-1](and (= ~x~0 0) (<= 1 ~n~0)), 564#[L715](and (= ~x~0 0) (<= 1 ~n~0)), 567#[thr1ENTRY, L715-1](and (= ~x~0 0) (<= 1 ~n~0)), 572#[thr1ENTRY, L716](and (= ~x~0 0) (<= 1 ~n~0)), 578#[L700, L716](and (= ~x~0 0) (<= 1 ~n~0)), 586#[L700-1, L716](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0))), 592#[L716, L688](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0))), 598#[L689, L716](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 604#[L716, L689-2](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 615#[L716, thr1FINAL](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 625#[thr1EXIT, L716](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 630#[L716-6, thr1EXIT](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 638#[L717, thr1EXIT](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 674#[thr1EXIT, L717-1](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 678#[thr2ENTRY, thr1EXIT, L717-2](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 683#[thr1EXIT, L717-2, L704](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 691#[thr1EXIT, L717-2, L705](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 699#[thr1EXIT, L717-2, L706](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 709#[thr1EXIT, L717-2, L707](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 719#[thr1EXIT, thr2FINAL, L717-2](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 725#[thr1EXIT, L717-2, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 732#[thr1EXIT, thr2EXIT, L716-3](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 736#[L716-4, thr1EXIT, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 740#[L716-5, thr1EXIT, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 744#[L716-6, thr1EXIT, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 752#[L717, thr1EXIT, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 787#[thr1EXIT, L717-1, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 791#[ULTIMATE.startErr1INUSE_VIOLATION, thr1EXIT, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0)))] [2021-01-27 02:45:48,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 02:45:48,554 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-27 02:45:48,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:45:48,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1809100508, now seen corresponding path program 1 times [2021-01-27 02:45:48,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:45:48,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902372720] [2021-01-27 02:45:48,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:45:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 02:45:48,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 02:45:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 02:45:48,633 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 02:45:48,699 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-27 02:45:48,699 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-27 02:45:48,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-27 02:45:48,700 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-27 02:45:48,700 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-27 02:45:48,718 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@18b9553d 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 02:45:48,727 INFO L168 Benchmark]: Toolchain (without parser) took 3014.05 ms. Allocated memory is still 306.2 MB. Free memory was 280.7 MB in the beginning and 183.3 MB in the end (delta: 97.4 MB). Peak memory consumption was 99.3 MB. Max. memory is 16.0 GB. [2021-01-27 02:45:48,730 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 306.2 MB. Free memory was 277.1 MB in the beginning and 277.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:45:48,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.95 ms. Allocated memory is still 306.2 MB. Free memory was 279.6 MB in the beginning and 281.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:45:48,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.38 ms. Allocated memory is still 306.2 MB. Free memory was 281.8 MB in the beginning and 279.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:45:48,734 INFO L168 Benchmark]: Boogie Preprocessor took 63.80 ms. Allocated memory is still 306.2 MB. Free memory was 279.7 MB in the beginning and 278.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:45:48,736 INFO L168 Benchmark]: RCFGBuilder took 712.30 ms. Allocated memory is still 306.2 MB. Free memory was 278.7 MB in the beginning and 257.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-01-27 02:45:48,737 INFO L168 Benchmark]: TraceAbstraction took 1395.99 ms. Allocated memory is still 306.2 MB. Free memory was 256.7 MB in the beginning and 183.3 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.0 GB. [2021-01-27 02:45:48,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 306.2 MB. Free memory was 277.1 MB in the beginning and 277.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 748.95 ms. Allocated memory is still 306.2 MB. Free memory was 279.6 MB in the beginning and 281.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 69.38 ms. Allocated memory is still 306.2 MB. Free memory was 281.8 MB in the beginning and 279.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 63.80 ms. Allocated memory is still 306.2 MB. Free memory was 279.7 MB in the beginning and 278.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 712.30 ms. Allocated memory is still 306.2 MB. Free memory was 278.7 MB in the beginning and 257.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1395.99 ms. Allocated memory is still 306.2 MB. Free memory was 256.7 MB in the beginning and 183.3 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 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@18b9553d de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@18b9553d: 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...