/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 15:35:18,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 15:35:18,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 15:35:18,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 15:35:18,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 15:35:18,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 15:35:18,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 15:35:18,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 15:35:18,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 15:35:18,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 15:35:18,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 15:35:18,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 15:35:18,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 15:35:18,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 15:35:18,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 15:35:18,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 15:35:18,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 15:35:18,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 15:35:18,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 15:35:18,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 15:35:18,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 15:35:18,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 15:35:18,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 15:35:18,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 15:35:18,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 15:35:18,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 15:35:18,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 15:35:18,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 15:35:18,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 15:35:18,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 15:35:18,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 15:35:18,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 15:35:18,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 15:35:18,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 15:35:18,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 15:35:18,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 15:35:18,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 15:35:18,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 15:35:18,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 15:35:18,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 15:35:18,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 15:35:18,337 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 [2021-03-12 15:35:18,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 15:35:18,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 15:35:18,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 15:35:18,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 15:35:18,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 15:35:18,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 15:35:18,377 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 15:35:18,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 15:35:18,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 15:35:18,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 15:35:18,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 15:35:18,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 15:35:18,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 15:35:18,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 15:35:18,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 15:35:18,379 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 15:35:18,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 15:35:18,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 15:35:18,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 15:35:18,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 15:35:18,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 15:35:18,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 15:35:18,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 15:35:18,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 15:35:18,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 15:35:18,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 15:35:18,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 15:35:18,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 15:35:18,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 15:35:18,381 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 15:35:18,381 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 15:35:18,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 15:35:18,381 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 15:35:18,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 15:35:18,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 15:35:18,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 15:35:18,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 15:35:18,709 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 15:35:18,710 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 15:35:18,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl [2021-03-12 15:35:18,711 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl' [2021-03-12 15:35:18,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 15:35:18,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 15:35:18,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 15:35:18,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 15:35:18,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 15:35:18,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (1/1) ... [2021-03-12 15:35:18,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (1/1) ... [2021-03-12 15:35:18,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 15:35:18,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 15:35:18,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 15:35:18,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 15:35:18,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (1/1) ... [2021-03-12 15:35:18,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (1/1) ... [2021-03-12 15:35:18,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (1/1) ... [2021-03-12 15:35:18,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (1/1) ... [2021-03-12 15:35:18,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (1/1) ... [2021-03-12 15:35:18,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (1/1) ... [2021-03-12 15:35:18,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (1/1) ... [2021-03-12 15:35:18,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 15:35:18,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 15:35:18,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 15:35:18,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 15:35:18,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (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 [2021-03-12 15:35:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure fistIncrementProcess [2021-03-12 15:35:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure fistIncrementProcess [2021-03-12 15:35:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 15:35:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 15:35:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrementProcess [2021-03-12 15:35:18,853 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrementProcess [2021-03-12 15:35:18,854 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 15:35:18,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 15:35:18,973 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 15:35:18,974 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 03:35:18 BoogieIcfgContainer [2021-03-12 15:35:18,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 15:35:18,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 15:35:18,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 15:35:18,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 15:35:18,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 03:35:18" (1/2) ... [2021-03-12 15:35:18,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377f62ae and model type NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 03:35:18, skipping insertion in model container [2021-03-12 15:35:18,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 03:35:18" (2/2) ... [2021-03-12 15:35:18,979 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads_Loop.bpl [2021-03-12 15:35:18,983 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 15:35:18,983 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 15:35:18,986 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 15:35:18,987 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 15:35:19,003 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,003 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,003 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,003 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,004 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,004 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,004 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,004 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,005 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,005 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,005 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,005 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,005 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,006 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,006 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,006 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,006 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,007 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,007 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,007 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,007 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,007 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,008 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,008 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,008 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,008 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,008 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,008 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,010 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,010 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,013 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,013 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 15:35:19,018 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-12 15:35:19,032 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 15:35:19,078 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 15:35:19,079 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 15:35:19,079 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 15:35:19,079 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 15:35:19,080 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 15:35:19,080 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 15:35:19,080 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 15:35:19,080 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 15:35:19,201 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:19,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:19,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1777922387, now seen corresponding path program 1 times [2021-03-12 15:35:19,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:19,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622561507] [2021-03-12 15:35:19,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:19,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622561507] [2021-03-12 15:35:19,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71505080] [2021-03-12 15:35:19,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:19,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-12 15:35:19,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 15:35:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:19,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:35:19,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-03-12 15:35:19,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996610647] [2021-03-12 15:35:19,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 15:35:19,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:19,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 15:35:19,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-12 15:35:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:19,582 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:19,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 15:35:19,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:19,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:35:19,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-03-12 15:35:19,893 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:19,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:19,894 INFO L82 PathProgramCache]: Analyzing trace with hash 14350713, now seen corresponding path program 2 times [2021-03-12 15:35:19,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:19,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482663160] [2021-03-12 15:35:19,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-03-12 15:35:19,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482663160] [2021-03-12 15:35:19,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788171279] [2021-03-12 15:35:19,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:19,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 15:35:19,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 15:35:19,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-12 15:35:20,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 15:35:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 15:35:20,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-12 15:35:20,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2021-03-12 15:35:20,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599937349] [2021-03-12 15:35:20,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 15:35:20,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:20,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 15:35:20,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-03-12 15:35:20,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:20,095 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:20,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 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) [2021-03-12 15:35:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:35:20,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:35:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:20,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:20,344 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:20,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:20,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1952334704, now seen corresponding path program 3 times [2021-03-12 15:35:20,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:20,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268771099] [2021-03-12 15:35:20,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-03-12 15:35:20,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268771099] [2021-03-12 15:35:20,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917788547] [2021-03-12 15:35:20,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:20,445 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 15:35:20,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 15:35:20,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-12 15:35:20,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 15:35:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-03-12 15:35:20,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:35:20,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-03-12 15:35:20,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424853328] [2021-03-12 15:35:20,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 15:35:20,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:20,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 15:35:20,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-12 15:35:20,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:20,531 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:20,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 15:35:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:35:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:20,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:35:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:20,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:20,767 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:20,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:20,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1956658413, now seen corresponding path program 4 times [2021-03-12 15:35:20,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:20,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609052871] [2021-03-12 15:35:20,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:20,976 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:20,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609052871] [2021-03-12 15:35:20,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 15:35:20,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-12 15:35:20,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995892369] [2021-03-12 15:35:20,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 15:35:20,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:20,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 15:35:20,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-03-12 15:35:20,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:20,978 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:20,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 14 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) [2021-03-12 15:35:20,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:35:20,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:20,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:20,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:35:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 15:35:21,232 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 15:35:21,233 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:21,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:21,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1678512181, now seen corresponding path program 5 times [2021-03-12 15:35:21,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:21,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186677225] [2021-03-12 15:35:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:21,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186677225] [2021-03-12 15:35:21,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803286949] [2021-03-12 15:35:21,328 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:21,360 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 15:35:21,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 15:35:21,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 15:35:21,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 15:35:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:21,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:35:21,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-03-12 15:35:21,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628459170] [2021-03-12 15:35:21,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 15:35:21,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:21,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 15:35:21,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-03-12 15:35:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:21,505 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:21,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 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) [2021-03-12 15:35:21,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 15:35:21,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:21,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:21,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 15:35:21,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:21,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 15:35:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 15:35:22,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:22,167 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:22,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:22,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1246906929, now seen corresponding path program 6 times [2021-03-12 15:35:22,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:22,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334311140] [2021-03-12 15:35:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:22,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334311140] [2021-03-12 15:35:22,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429535945] [2021-03-12 15:35:22,265 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:22,290 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 15:35:22,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 15:35:22,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 15:35:22,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 15:35:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:22,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:35:22,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-03-12 15:35:22,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451486291] [2021-03-12 15:35:22,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 15:35:22,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:22,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 15:35:22,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-03-12 15:35:22,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:22,379 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:22,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 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) [2021-03-12 15:35:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 15:35:22,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 15:35:22,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 15:35:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:22,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:22,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 15:35:23,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:23,079 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:23,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:23,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1831654607, now seen corresponding path program 7 times [2021-03-12 15:35:23,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:23,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422351819] [2021-03-12 15:35:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:23,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422351819] [2021-03-12 15:35:23,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697769854] [2021-03-12 15:35:23,184 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 15:35:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:23,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:23,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 15:35:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:23,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:35:23,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-03-12 15:35:23,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854991292] [2021-03-12 15:35:23,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 15:35:23,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:23,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 15:35:23,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-12 15:35:23,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:23,320 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:23,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 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) [2021-03-12 15:35:23,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 15:35:23,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:23,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:23,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:23,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:23,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 15:35:23,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 15:35:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 15:35:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 15:35:23,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:23,899 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:23,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:23,900 INFO L82 PathProgramCache]: Analyzing trace with hash 33846223, now seen corresponding path program 8 times [2021-03-12 15:35:23,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:23,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598843907] [2021-03-12 15:35:23,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 15:35:23,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598843907] [2021-03-12 15:35:23,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903216782] [2021-03-12 15:35:23,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:23,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 15:35:23,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 15:35:23,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 15:35:23,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 15:35:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 15:35:24,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:35:24,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-03-12 15:35:24,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361292542] [2021-03-12 15:35:24,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 15:35:24,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:24,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 15:35:24,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-12 15:35:24,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:24,052 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:24,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 15:35:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 15:35:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 15:35:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 15:35:24,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 15:35:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 15:35:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 15:35:24,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-03-12 15:35:24,892 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:24,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:24,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1819213417, now seen corresponding path program 9 times [2021-03-12 15:35:24,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:24,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666180918] [2021-03-12 15:35:24,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:24,981 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:24,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666180918] [2021-03-12 15:35:24,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633570228] [2021-03-12 15:35:24,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 15:35:25,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 15:35:25,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 15:35:25,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:25,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 15:35:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:25,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:35:25,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-03-12 15:35:25,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900958011] [2021-03-12 15:35:25,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 15:35:25,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:25,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 15:35:25,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-03-12 15:35:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:25,093 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:25,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 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) [2021-03-12 15:35:25,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 15:35:25,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:25,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:25,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:25,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:25,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:25,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 15:35:25,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 15:35:25,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 15:35:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 15:35:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 15:35:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:25,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:25,811 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:25,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:25,812 INFO L82 PathProgramCache]: Analyzing trace with hash 52214927, now seen corresponding path program 10 times [2021-03-12 15:35:25,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:25,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258611809] [2021-03-12 15:35:25,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:25,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258611809] [2021-03-12 15:35:25,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862026227] [2021-03-12 15:35:25,947 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 15:35:25,988 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 15:35:25,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 15:35:25,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 15:35:25,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:26,065 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:26,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:35:26,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-03-12 15:35:26,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650510128] [2021-03-12 15:35:26,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 15:35:26,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:26,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 15:35:26,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-03-12 15:35:26,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:26,069 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:26,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 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) [2021-03-12 15:35:26,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 15:35:26,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:26,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:26,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:26,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:26,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:26,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 15:35:26,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 15:35:26,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:26,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:26,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 15:35:26,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:26,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:26,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 15:35:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 15:35:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:26,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:26,735 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:26,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:26,736 INFO L82 PathProgramCache]: Analyzing trace with hash -221055051, now seen corresponding path program 11 times [2021-03-12 15:35:26,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:26,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929601047] [2021-03-12 15:35:26,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:26,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929601047] [2021-03-12 15:35:26,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071511554] [2021-03-12 15:35:26,821 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:26,838 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 15:35:26,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 15:35:26,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 15:35:26,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 15:35:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:26,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:35:26,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-03-12 15:35:26,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035958281] [2021-03-12 15:35:26,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 15:35:26,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:26,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 15:35:26,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-03-12 15:35:26,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:26,909 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:26,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 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) [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:26,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 15:35:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 15:35:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 15:35:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:27,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:27,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-12 15:35:27,666 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 15:35:27,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 15:35:27,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1098539019, now seen corresponding path program 12 times [2021-03-12 15:35:27,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 15:35:27,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774103618] [2021-03-12 15:35:27,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 15:35:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 15:35:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:27,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774103618] [2021-03-12 15:35:27,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207201881] [2021-03-12 15:35:27,743 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 15:35:27,779 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 15:35:27,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 15:35:27,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 15:35:27,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 15:35:27,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 15:35:27,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-03-12 15:35:27,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635851268] [2021-03-12 15:35:27,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 15:35:27,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 15:35:27,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 15:35:27,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-03-12 15:35:27,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:27,846 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 15:35:27,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 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) [2021-03-12 15:35:27,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 15:35:27,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 15:35:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 15:35:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 15:35:28,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 15:35:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 15:35:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 15:35:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 15:35:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 15:35:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 15:35:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 15:35:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 15:35:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 15:35:28,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 15:35:28,959 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 03:35:28 BasicIcfg [2021-03-12 15:35:28,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 15:35:28,960 INFO L168 Benchmark]: Toolchain (without parser) took 10208.56 ms. Allocated memory was 255.9 MB in the beginning and 687.9 MB in the end (delta: 432.0 MB). Free memory was 236.6 MB in the beginning and 352.6 MB in the end (delta: -116.0 MB). Peak memory consumption was 317.4 MB. Max. memory is 16.0 GB. [2021-03-12 15:35:28,960 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 15:35:28,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.87 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 15:35:28,960 INFO L168 Benchmark]: Boogie Preprocessor took 13.19 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.6 MB in the end (delta: 874.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 15:35:28,961 INFO L168 Benchmark]: RCFGBuilder took 176.92 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 240.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. [2021-03-12 15:35:28,961 INFO L168 Benchmark]: TraceAbstraction took 9984.61 ms. Allocated memory was 255.9 MB in the beginning and 687.9 MB in the end (delta: 432.0 MB). Free memory was 239.1 MB in the beginning and 352.6 MB in the end (delta: -113.5 MB). Peak memory consumption was 318.1 MB. Max. memory is 16.0 GB. [2021-03-12 15:35:28,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.87 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.19 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.6 MB in the end (delta: 874.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 176.92 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 240.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 9984.61 ms. Allocated memory was 255.9 MB in the beginning and 687.9 MB in the end (delta: 432.0 MB). Free memory was 239.1 MB in the beginning and 352.6 MB in the end (delta: -113.5 MB). Peak memory consumption was 318.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45866, positive: 35344, positive conditional: 35344, positive unconditional: 0, negative: 10522, negative conditional: 10522, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 36690, positive: 35344, positive conditional: 35344, positive unconditional: 0, negative: 1346, negative conditional: 1346, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 36690, positive: 35344, positive conditional: 0, positive unconditional: 35344, negative: 1346, negative conditional: 0, negative unconditional: 1346, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 82, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 82, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36690, positive: 35266, positive conditional: 0, positive unconditional: 35266, negative: 1342, negative conditional: 0, negative unconditional: 1342, unknown: 82, unknown conditional: 0, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299, SemanticConditionEliminator.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13416, negative conditional: 5117, negative unconditional: 8299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 249, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 249, negative conditional: 245, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 844, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 844, negative conditional: 763, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13416, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13171, negative conditional: 4872, negative unconditional: 8299, unknown: 245, unknown conditional: 245, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 249, Negative conditional cache size: 245, Negative unconditional cache size: 4, Eliminated conditions: 8299 ], Maximal queried relation: 12, Independence queries for same thread: 9176 - PositiveResult [Line: 22]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9911.3ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.0ms, PartialOrderReductionTime: 4809.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 172, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 59.4ms SsaConstructionTime, 232.5ms SatisfiabilityAnalysisTime, 1979.0ms InterpolantComputationTime, 788 NumberOfCodeBlocks, 784 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 765 ConstructedInterpolants, 0 QuantifiedInterpolants, 2103 SizeOfPredicates, 72 NumberOfNonLiveVariables, 651 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 23 InterpolantComputations, 2 PerfectInterpolantSequences, 531/624 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...