/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread/fib_bench_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-18 03:06:10,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-18 03:06:10,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-18 03:06:10,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-18 03:06:10,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-18 03:06:10,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-18 03:06:10,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-18 03:06:10,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-18 03:06:10,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-18 03:06:10,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-18 03:06:10,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-18 03:06:10,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-18 03:06:10,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-18 03:06:10,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-18 03:06:10,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-18 03:06:10,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-18 03:06:10,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-18 03:06:10,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-18 03:06:10,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-18 03:06:10,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-18 03:06:10,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-18 03:06:10,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-18 03:06:10,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-18 03:06:10,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-18 03:06:10,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-18 03:06:10,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-18 03:06:10,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-18 03:06:10,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-18 03:06:10,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-18 03:06:10,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-18 03:06:10,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-18 03:06:10,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-18 03:06:10,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-18 03:06:10,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-18 03:06:10,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-18 03:06:10,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-18 03:06:10,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-18 03:06:10,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-18 03:06:10,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-18 03:06:10,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-18 03:06:10,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-18 03:06:10,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf [2020-12-18 03:06:10,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-18 03:06:10,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-18 03:06:10,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-18 03:06:10,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-18 03:06:10,314 INFO L138 SettingsManager]: * Use SBE=true [2020-12-18 03:06:10,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-18 03:06:10,315 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-18 03:06:10,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-18 03:06:10,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-18 03:06:10,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-18 03:06:10,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-18 03:06:10,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-18 03:06:10,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-18 03:06:10,318 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-18 03:06:10,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-18 03:06:10,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-18 03:06:10,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-18 03:06:10,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-18 03:06:10,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-18 03:06:10,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-18 03:06:10,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-18 03:06:10,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-18 03:06:10,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-18 03:06:10,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-18 03:06:10,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-18 03:06:10,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-18 03:06:10,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-18 03:06:10,321 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-18 03:06:10,321 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2020-12-18 03:06:10,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2020-12-18 03:06:10,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-18 03:06:10,322 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-18 03:06:10,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-18 03:06:10,322 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-18 03:06:10,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-18 03:06:10,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-18 03:06:10,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-18 03:06:10,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-18 03:06:10,747 INFO L275 PluginConnector]: CDTParser initialized [2020-12-18 03:06:10,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench_longer-1.i [2020-12-18 03:06:10,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c01fab0/a5a8e2cf8570432c8fe906e88b62481a/FLAG6d9857030 [2020-12-18 03:06:11,532 INFO L306 CDTParser]: Found 1 translation units. [2020-12-18 03:06:11,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longer-1.i [2020-12-18 03:06:11,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c01fab0/a5a8e2cf8570432c8fe906e88b62481a/FLAG6d9857030 [2020-12-18 03:06:11,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c01fab0/a5a8e2cf8570432c8fe906e88b62481a [2020-12-18 03:06:11,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-18 03:06:11,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-18 03:06:11,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-18 03:06:11,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-18 03:06:11,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-18 03:06:11,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:06:11" (1/1) ... [2020-12-18 03:06:11,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75dc5951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:11, skipping insertion in model container [2020-12-18 03:06:11,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:06:11" (1/1) ... [2020-12-18 03:06:11,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-18 03:06:11,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-18 03:06:12,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 03:06:12,438 INFO L203 MainTranslator]: Completed pre-run [2020-12-18 03:06:12,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-18 03:06:12,614 INFO L208 MainTranslator]: Completed translation [2020-12-18 03:06:12,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12 WrapperNode [2020-12-18 03:06:12,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-18 03:06:12,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-18 03:06:12,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-18 03:06:12,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-18 03:06:12,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (1/1) ... [2020-12-18 03:06:12,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (1/1) ... [2020-12-18 03:06:12,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-18 03:06:12,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-18 03:06:12,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-18 03:06:12,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-18 03:06:12,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (1/1) ... [2020-12-18 03:06:12,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (1/1) ... [2020-12-18 03:06:12,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (1/1) ... [2020-12-18 03:06:12,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (1/1) ... [2020-12-18 03:06:12,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (1/1) ... [2020-12-18 03:06:12,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (1/1) ... [2020-12-18 03:06:12,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (1/1) ... [2020-12-18 03:06:12,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-18 03:06:12,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-18 03:06:12,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-18 03:06:12,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-18 03:06:12,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (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 03:06:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-12-18 03:06:12,814 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-12-18 03:06:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-12-18 03:06:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-12-18 03:06:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-18 03:06:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-18 03:06:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-18 03:06:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-18 03:06:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-18 03:06:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-18 03:06:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-18 03:06:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-18 03:06:12,818 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 03:06:13,166 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-18 03:06:13,167 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-18 03:06:13,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:06:13 BoogieIcfgContainer [2020-12-18 03:06:13,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-18 03:06:13,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-18 03:06:13,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-18 03:06:13,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-18 03:06:13,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:06:11" (1/3) ... [2020-12-18 03:06:13,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb0ec57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:06:13, skipping insertion in model container [2020-12-18 03:06:13,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:06:12" (2/3) ... [2020-12-18 03:06:13,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb0ec57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:06:13, skipping insertion in model container [2020-12-18 03:06:13,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:06:13" (3/3) ... [2020-12-18 03:06:13,179 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench_longer-1.i [2020-12-18 03:06:13,197 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-18 03:06:13,197 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-18 03:06:13,201 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-18 03:06:13,202 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-18 03:06:13,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,236 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,236 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,236 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,236 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,237 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,237 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,237 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,237 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,238 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,238 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,242 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,242 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,242 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,242 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,243 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,243 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,243 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,243 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,243 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,247 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,247 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,248 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,248 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,251 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,251 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,252 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,252 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,252 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,252 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,259 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,259 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,259 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,260 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-18 03:06:13,262 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-18 03:06:13,277 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-18 03:06:13,302 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-18 03:06:13,303 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-18 03:06:13,303 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-18 03:06:13,303 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-18 03:06:13,303 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-18 03:06:13,303 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-18 03:06:13,304 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-18 03:06:13,304 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-18 03:06:13,639 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 314ms [2020-12-18 03:06:13,640 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 2229 states, but on-demand construction may add more states [2020-12-18 03:06:13,650 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 03:06:13,663 INFO L131 SleepSetCegar]: Size of mCounterexample is: 41 [2020-12-18 03:06:13,663 INFO L132 SleepSetCegar]: [72#[ULTIMATE.startENTRY]don't care, 74#[L-1]don't care, 76#[L-1-1]don't care, 78#[L20]don't care, 80#[L20-1]don't care, 82#[L20-2]don't care, 84#[L20-3]don't care, 86#[L20-4]don't care, 88#[L694]don't care, 90#[L-1-2]don't care, 92#[L-1-3]don't care, 94#[L-1-4]don't care, 96#[L717]don't care, 98#[L717-1]don't care, 100#[L720]don't care, 102#[L720-1]don't care, 104#[L720-2]don't care, 106#[L721]don't care, 108#[L721-1, t1ENTRY]don't care, 112#[L698, L721-1]don't care, 116#[L699, L721-1]don't care, 120#[L699-5, L721-1]don't care, 124#[L721-1, L699-6]don't care, 128#[t1FINAL, L721-1]don't care, 134#[t1EXIT, L721-1]don't care, 136#[t1EXIT, L722]don't care, 138#[L722-1, t1EXIT]don't care, 140#[t2ENTRY, L722-2, t1EXIT]don't care, 144#[t2ENTRY, t1EXIT, L723]don't care, 148#[t2ENTRY, L725, t1EXIT]don't care, 150#[L709, L725, t1EXIT]don't care, 156#[L725, t1EXIT, L710]don't care, 158#[L710-5, L725, t1EXIT]don't care, 162#[L725, t1EXIT, L710-6]don't care, 168#[L725, t1EXIT, t2FINAL]don't care, 174#[t2EXIT, L725, t1EXIT]don't care, 176#[L728, t2EXIT, t1EXIT]don't care, 180#[L730, t2EXIT, t1EXIT]don't care, 182#[t2EXIT, t1EXIT, L20-5]don't care, 184#[L20-7, t2EXIT, t1EXIT]don't care, 190#[t2EXIT, t1EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2020-12-18 03:06:13,664 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 03:06:13,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 03:06:13,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1628982572, now seen corresponding path program 1 times [2020-12-18 03:06:13,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 03:06:13,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444835281] [2020-12-18 03:06:13,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 03:06:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 03:06:13,893 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 03:06:13,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444835281] [2020-12-18 03:06:13,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 03:06:13,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-18 03:06:13,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545819119] [2020-12-18 03:06:13,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-18 03:06:13,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 03:06:13,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-18 03:06:13,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-18 03:06:13,918 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 03:06:13,918 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 03:06:14,111 INFO L131 SleepSetCegar]: Size of mCounterexample is: 41 [2020-12-18 03:06:14,111 INFO L132 SleepSetCegar]: [4531#[ULTIMATE.startENTRY]true, 4532#[L-1]true, 4533#[L-1-1]true, 4534#[L20]true, 4535#[L20-1]true, 4536#[L20-2]true, 4537#[L20-3]true, 4538#[L20-4]true, 4539#[L694]true, 4540#[L-1-2]true, 4541#[L-1-3]true, 4542#[L-1-4]true, 4543#[L717]true, 4544#[L717-1]true, 4545#[L720]true, 4546#[L720-1]true, 4547#[L720-2]true, 4548#[L721]true, 4549#[L721-1, t1ENTRY]true, 4551#[L698, L721-1]true, 4553#[L699, L721-1]true, 4555#[L699-5, L721-1]true, 4557#[L721-1, L699-6]true, 5163#[t1FINAL, L721-1]true, 5165#[t1EXIT, L721-1]true, 5166#[t1EXIT, L722]true, 5167#[L722-1, t1EXIT]true, 5168#[t2ENTRY, L722-2, t1EXIT]true, 5169#[t2ENTRY, t1EXIT, L723]true, 5171#[t2ENTRY, L725, t1EXIT]true, 5173#[L709, L725, t1EXIT]true, 5175#[L725, t1EXIT, L710]true, 5177#[L710-5, L725, t1EXIT]true, 5180#[L725, t1EXIT, L710-6]true, 5183#[L725, t1EXIT, t2FINAL]true, 5184#[t2EXIT, L725, t1EXIT]true, 5186#[L728, t2EXIT, t1EXIT]true, 5187#[L730, t2EXIT, t1EXIT]true, 5189#[t2EXIT, t1EXIT, L20-5]true, 5190#[L20-7, t2EXIT, t1EXIT]true, 5191#[t2EXIT, t1EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2020-12-18 03:06:14,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-18 03:06:14,112 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-18 03:06:14,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-18 03:06:14,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1767646260, now seen corresponding path program 1 times [2020-12-18 03:06:14,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-18 03:06:14,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067681187] [2020-12-18 03:06:14,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-18 03:06:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-18 03:06:14,219 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 03:06:14,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067681187] [2020-12-18 03:06:14,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-18 03:06:14,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-18 03:06:14,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180114936] [2020-12-18 03:06:14,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-18 03:06:14,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-18 03:06:14,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-18 03:06:14,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-18 03:06:14,224 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2020-12-18 03:06:14,224 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 03:06:14,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-18 03:06:14,254 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@6a14b30b 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.SleepSetDelayReduction.lambda$0(SleepSetDelayReduction.java:171) 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.SleepSetDelayReduction.search(SleepSetDelayReduction.java:172) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetDelayReduction.(SleepSetDelayReduction.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.SleepSetCegar.isAbstractionEmpty(SleepSetCegar.java:120) 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 03:06:14,260 INFO L168 Benchmark]: Toolchain (without parser) took 2408.59 ms. Allocated memory is still 302.0 MB. Free memory was 277.0 MB in the beginning and 180.3 MB in the end (delta: 96.7 MB). Peak memory consumption was 97.1 MB. Max. memory is 16.0 GB. [2020-12-18 03:06:14,261 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 272.0 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-18 03:06:14,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.41 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 247.8 MB in the end (delta: 28.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-12-18 03:06:14,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.64 ms. Allocated memory is still 302.0 MB. Free memory was 247.8 MB in the beginning and 246.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 03:06:14,264 INFO L168 Benchmark]: Boogie Preprocessor took 31.69 ms. Allocated memory is still 302.0 MB. Free memory was 246.0 MB in the beginning and 244.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-18 03:06:14,265 INFO L168 Benchmark]: RCFGBuilder took 470.16 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 265.2 MB in the end (delta: -20.6 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. [2020-12-18 03:06:14,266 INFO L168 Benchmark]: TraceAbstraction took 1086.64 ms. Allocated memory is still 302.0 MB. Free memory was 265.2 MB in the beginning and 180.3 MB in the end (delta: 84.9 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.0 GB. [2020-12-18 03:06:14,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 272.0 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 757.41 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 247.8 MB in the end (delta: 28.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 49.64 ms. Allocated memory is still 302.0 MB. Free memory was 247.8 MB in the beginning and 246.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.69 ms. Allocated memory is still 302.0 MB. Free memory was 246.0 MB in the beginning and 244.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 470.16 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 265.2 MB in the end (delta: -20.6 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1086.64 ms. Allocated memory is still 302.0 MB. Free memory was 265.2 MB in the beginning and 180.3 MB in the end (delta: 84.9 MB). Peak memory consumption was 86.0 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@6a14b30b de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@6a14b30b: 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...