/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-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 14:09:20,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 14:09:20,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 14:09:20,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 14:09:20,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 14:09:20,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 14:09:20,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 14:09:20,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 14:09:20,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 14:09:20,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 14:09:20,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 14:09:20,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 14:09:20,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 14:09:20,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 14:09:20,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 14:09:20,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 14:09:20,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 14:09:20,791 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-POR-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 14:09:20,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 14:09:20,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 14:09:20,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 14:09:20,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 14:09:20,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 14:09:20,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 14:09:20,830 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 14:09:20,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 14:09:20,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 14:09:20,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 14:09:20,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 14:09:20,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 14:09:20,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 14:09:20,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 14:09:20,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 14:09:20,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 14:09:20,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 14:09:20,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 14:09:20,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 14:09:20,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 14:09:20,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 14:09:20,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 14:09:20,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 14:09:20,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 14:09:20,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 14:09:20,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 14:09:20,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 14:09:20,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 14:09:20,834 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 14:09:20,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 14:09:20,834 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 14:09:20,834 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 14:09:20,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 14:09:20,834 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 14:09:20,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 14:09:21,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 14:09:21,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 14:09:21,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 14:09:21,178 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 14:09:21,179 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 14:09:21,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl [2021-06-07 14:09:21,180 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl' [2021-06-07 14:09:21,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 14:09:21,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 14:09:21,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 14:09:21,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 14:09:21,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 14:09:21,227 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 07.06 02:09:21" (1/1) ... [2021-06-07 14:09:21,233 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 07.06 02:09:21" (1/1) ... [2021-06-07 14:09:21,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 14:09:21,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 14:09:21,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 14:09:21,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 14:09:21,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:09:21" (1/1) ... [2021-06-07 14:09:21,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:09:21" (1/1) ... [2021-06-07 14:09:21,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:09:21" (1/1) ... [2021-06-07 14:09:21,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:09:21" (1/1) ... [2021-06-07 14:09:21,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:09:21" (1/1) ... [2021-06-07 14:09:21,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:09:21" (1/1) ... [2021-06-07 14:09:21,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:09:21" (1/1) ... [2021-06-07 14:09:21,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 14:09:21,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 14:09:21,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 14:09:21,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 14:09:21,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:09:21" (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 [2021-06-07 14:09:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure fistIncrementProcess [2021-06-07 14:09:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure fistIncrementProcess [2021-06-07 14:09:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 14:09:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 14:09:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrementProcess [2021-06-07 14:09:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrementProcess [2021-06-07 14:09:21,348 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 14:09:21,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 14:09:21,514 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 14:09:21,516 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:09:21 BoogieIcfgContainer [2021-06-07 14:09:21,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 14:09:21,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 14:09:21,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 14:09:21,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 14:09:21,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:09:21" (1/2) ... [2021-06-07 14:09:21,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba17046 and model type NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 02:09:21, skipping insertion in model container [2021-06-07 14:09:21,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:09:21" (2/2) ... [2021-06-07 14:09:21,524 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads_Loop.bpl [2021-06-07 14:09:21,532 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 14:09:21,533 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 14:09:21,534 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 14:09:21,534 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 14:09:21,584 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,585 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,585 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,585 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,586 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,586 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,586 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,586 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,586 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,587 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,587 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,587 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,587 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,587 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,588 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,588 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,588 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,588 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,588 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,589 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,589 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,589 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,589 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,589 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,590 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,590 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,590 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,590 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,592 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,592 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,600 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,600 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:09:21,625 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-07 14:09:21,670 INFO L255 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 [2021-06-07 14:09:21,770 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 14:09:21,771 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 14:09:21,771 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 14:09:21,771 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 14:09:21,771 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 14:09:21,771 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 14:09:21,771 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 14:09:21,771 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 14:09:21,879 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:21,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:21,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1070915238, now seen corresponding path program 1 times [2021-06-07 14:09:21,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:21,899 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971082102] [2021-06-07 14:09:21,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:22,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:22,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971082102] [2021-06-07 14:09:22,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971082102] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 14:09:22,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 14:09:22,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 14:09:22,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406257948] [2021-06-07 14:09:22,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 14:09:22,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:22,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 14:09:22,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 14:09:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:22,043 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:22,046 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-06-07 14:09:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:22,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:22,089 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 14:09:22,089 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:22,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:22,090 INFO L82 PathProgramCache]: Analyzing trace with hash -575561302, now seen corresponding path program 1 times [2021-06-07 14:09:22,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:22,091 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641939387] [2021-06-07 14:09:22,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:22,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:22,142 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:22,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641939387] [2021-06-07 14:09:22,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641939387] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:22,143 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142792779] [2021-06-07 14:09:22,143 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 [2021-06-07 14:09:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:22,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2021-06-07 14:09:22,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:09:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-07 14:09:22,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142792779] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 14:09:22,245 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-07 14:09:22,245 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-06-07 14:09:22,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953784009] [2021-06-07 14:09:22,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 14:09:22,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:22,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 14:09:22,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-07 14:09:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:22,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:22,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-06-07 14:09:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:22,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:22,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:22,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:09:22,477 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:22,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:22,478 INFO L82 PathProgramCache]: Analyzing trace with hash 796801766, now seen corresponding path program 1 times [2021-06-07 14:09:22,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:22,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270758787] [2021-06-07 14:09:22,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:22,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:22,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270758787] [2021-06-07 14:09:22,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270758787] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:22,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558227692] [2021-06-07 14:09:22,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-07 14:09:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:22,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-07 14:09:22,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:09:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:22,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558227692] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:22,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:09:22,635 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-07 14:09:22,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001572564] [2021-06-07 14:09:22,635 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 14:09:22,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:22,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 14:09:22,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-07 14:09:22,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:22,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:22,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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) [2021-06-07 14:09:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:22,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:22,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:22,901 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:09:22,901 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:22,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:22,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1560692246, now seen corresponding path program 2 times [2021-06-07 14:09:22,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:22,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821664478] [2021-06-07 14:09:22,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:22,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:22,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821664478] [2021-06-07 14:09:22,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821664478] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:22,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328250741] [2021-06-07 14:09:22,976 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 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 [2021-06-07 14:09:23,021 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 14:09:23,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:09:23,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-07 14:09:23,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:09:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:23,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328250741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:23,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:09:23,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-07 14:09:23,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283934641] [2021-06-07 14:09:23,141 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 14:09:23,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:23,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 14:09:23,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-07 14:09:23,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:23,143 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:23,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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) [2021-06-07 14:09:23,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:23,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:23,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:23,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:23,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:09:23,421 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:23,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1348995858, now seen corresponding path program 3 times [2021-06-07 14:09:23,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:23,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982421164] [2021-06-07 14:09:23,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:23,477 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:23,477 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982421164] [2021-06-07 14:09:23,477 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982421164] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 14:09:23,477 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 14:09:23,477 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-07 14:09:23,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558819075] [2021-06-07 14:09:23,478 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 14:09:23,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:23,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 14:09:23,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-07 14:09:23,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:23,479 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:23,479 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:09:23,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:23,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:23,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:23,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:23,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-07 14:09:23,520 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:23,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:23,520 INFO L82 PathProgramCache]: Analyzing trace with hash 920285926, now seen corresponding path program 4 times [2021-06-07 14:09:23,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:23,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443643255] [2021-06-07 14:09:23,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:23,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:23,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443643255] [2021-06-07 14:09:23,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443643255] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 14:09:23,603 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 14:09:23,603 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-07 14:09:23,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131641174] [2021-06-07 14:09:23,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 14:09:23,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:23,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 14:09:23,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-07 14:09:23,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:23,605 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:23,605 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:09:23,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:23,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:23,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:23,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:23,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:23,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-07 14:09:23,641 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:23,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:23,644 INFO L82 PathProgramCache]: Analyzing trace with hash -311447005, now seen corresponding path program 5 times [2021-06-07 14:09:23,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:23,645 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522521986] [2021-06-07 14:09:23,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:23,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:23,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522521986] [2021-06-07 14:09:23,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522521986] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 14:09:23,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 14:09:23,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 14:09:23,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279786826] [2021-06-07 14:09:23,748 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 14:09:23,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:23,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 14:09:23,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-07 14:09:23,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:23,757 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:23,757 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:09:23,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:23,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:23,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:23,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:23,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:23,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-07 14:09:23,884 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:23,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:23,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1760518205, now seen corresponding path program 6 times [2021-06-07 14:09:23,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:23,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759334505] [2021-06-07 14:09:23,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:23,967 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:23,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:23,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759334505] [2021-06-07 14:09:23,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759334505] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:23,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990032569] [2021-06-07 14:09:23,968 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 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 [2021-06-07 14:09:24,018 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-07 14:09:24,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:09:24,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-07 14:09:24,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:09:24,138 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:24,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990032569] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:24,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:09:24,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-07 14:09:24,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053027721] [2021-06-07 14:09:24,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 14:09:24,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:24,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 14:09:24,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-07 14:09:24,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:24,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:24,142 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:09:24,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:24,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:24,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:24,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:24,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:24,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:24,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:24,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:24,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:24,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:24,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:24,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:24,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:24,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:24,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:24,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 14:09:24,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:09:24,545 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:24,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:24,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1897645059, now seen corresponding path program 7 times [2021-06-07 14:09:24,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:24,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539512121] [2021-06-07 14:09:24,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:24,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:24,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539512121] [2021-06-07 14:09:24,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539512121] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:24,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939606421] [2021-06-07 14:09:24,687 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 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 [2021-06-07 14:09:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:24,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 14:09:24,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:09:24,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:24,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939606421] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:24,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:09:24,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-07 14:09:24,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406706005] [2021-06-07 14:09:24,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 14:09:24,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:24,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 14:09:24,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-07 14:09:24,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:24,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:24,787 INFO L483 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) [2021-06-07 14:09:24,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:24,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:24,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:24,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:24,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:24,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:24,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:24,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 14:09:24,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:25,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:25,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:25,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:09:25,254 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:25,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:25,254 INFO L82 PathProgramCache]: Analyzing trace with hash 189407509, now seen corresponding path program 8 times [2021-06-07 14:09:25,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:25,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468415824] [2021-06-07 14:09:25,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:25,306 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:25,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:25,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468415824] [2021-06-07 14:09:25,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468415824] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:25,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832360170] [2021-06-07 14:09:25,306 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:09:25,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 14:09:25,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:09:25,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-07 14:09:25,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:09:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:25,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832360170] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:25,430 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:09:25,431 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-07 14:09:25,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493389046] [2021-06-07 14:09:25,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 14:09:25,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:25,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 14:09:25,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-07 14:09:25,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:25,434 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:25,434 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 14:09:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:25,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:25,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:25,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:25,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:25,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:25,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:25,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:25,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:25,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 14:09:25,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 14:09:25,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-07 14:09:25,981 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:25,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:25,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1081102623, now seen corresponding path program 9 times [2021-06-07 14:09:25,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:25,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610402124] [2021-06-07 14:09:25,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:26,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:26,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610402124] [2021-06-07 14:09:26,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610402124] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:26,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184259697] [2021-06-07 14:09:26,070 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 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 [2021-06-07 14:09:26,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 14:09:26,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:09:26,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-07 14:09:26,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:09:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:26,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184259697] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:26,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:09:26,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-07 14:09:26,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150768177] [2021-06-07 14:09:26,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 14:09:26,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:26,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 14:09:26,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-06-07 14:09:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:26,223 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:26,223 INFO L483 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) [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 14:09:26,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:26,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:09:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 14:09:26,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-07 14:09:26,748 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:26,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:26,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1190449277, now seen corresponding path program 10 times [2021-06-07 14:09:26,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:26,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271429846] [2021-06-07 14:09:26,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:26,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:26,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271429846] [2021-06-07 14:09:26,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271429846] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:26,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641916626] [2021-06-07 14:09:26,846 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:09:26,883 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 14:09:26,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:09:26,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-07 14:09:26,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:09:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:26,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641916626] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:26,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:09:26,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-07 14:09:26,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197870967] [2021-06-07 14:09:26,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 14:09:26,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:26,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 14:09:26,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-06-07 14:09:26,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:26,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:26,965 INFO L483 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) [2021-06-07 14:09:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:26,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:09:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 14:09:26,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:09:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 14:09:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:09:27,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:09:27,569 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:27,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:27,569 INFO L82 PathProgramCache]: Analyzing trace with hash -602927933, now seen corresponding path program 11 times [2021-06-07 14:09:27,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:27,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187527082] [2021-06-07 14:09:27,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:27,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:27,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187527082] [2021-06-07 14:09:27,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187527082] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:27,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171408108] [2021-06-07 14:09:27,650 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:09:27,679 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 14:09:27,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:09:27,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-07 14:09:27,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:09:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 14:09:27,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171408108] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:27,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:09:27,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-07 14:09:27,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293261596] [2021-06-07 14:09:27,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 14:09:27,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:27,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 14:09:27,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-06-07 14:09:27,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:27,754 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:27,754 INFO L483 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) [2021-06-07 14:09:27,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:27,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:27,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:27,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:27,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:27,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:27,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:27,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:27,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:09:27,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:27,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 14:09:27,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:09:27,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:28,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:28,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:28,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 14:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:09:28,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 14:09:28,352 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 14:09:28,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 14:09:28,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1436642059, now seen corresponding path program 12 times [2021-06-07 14:09:28,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 14:09:28,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258676775] [2021-06-07 14:09:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 14:09:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 14:09:28,373 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-07 14:09:28,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 14:09:28,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258676775] [2021-06-07 14:09:28,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258676775] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:28,373 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427648576] [2021-06-07 14:09:28,373 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 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 [2021-06-07 14:09:28,409 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-07 14:09:28,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 14:09:28,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-07 14:09:28,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 14:09:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-07 14:09:28,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427648576] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 14:09:28,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 14:09:28,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-07 14:09:28,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341084974] [2021-06-07 14:09:28,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 14:09:28,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 14:09:28,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 14:09:28,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-07 14:09:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:28,443 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 14:09:28,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-06-07 14:09:28,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:09:28,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 14:09:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 14:09:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 14:09:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 14:09:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 14:09:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:28,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 14:09:28,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 14:09:28,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 14:09:28,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 14:09:28,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 14:09:28,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 14:09:29,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-07 14:09:29,040 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 14:09:29,042 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 02:09:29 BasicIcfg [2021-06-07 14:09:29,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 14:09:29,042 INFO L168 Benchmark]: Toolchain (without parser) took 7826.65 ms. Allocated memory was 373.3 MB in the beginning and 455.1 MB in the end (delta: 81.8 MB). Free memory was 352.7 MB in the beginning and 293.0 MB in the end (delta: 59.7 MB). Peak memory consumption was 143.7 MB. Max. memory is 16.0 GB. [2021-06-07 14:09:29,042 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 373.3 MB. Free memory was 353.8 MB in the beginning and 353.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 14:09:29,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.25 ms. Allocated memory is still 373.3 MB. Free memory was 352.6 MB in the beginning and 351.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 14:09:29,043 INFO L168 Benchmark]: Boogie Preprocessor took 16.99 ms. Allocated memory is still 373.3 MB. Free memory was 351.2 MB in the beginning and 350.2 MB in the end (delta: 939.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 14:09:29,043 INFO L168 Benchmark]: RCFGBuilder took 256.01 ms. Allocated memory is still 373.3 MB. Free memory was 350.2 MB in the beginning and 340.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-06-07 14:09:29,043 INFO L168 Benchmark]: TraceAbstraction took 7523.88 ms. Allocated memory was 373.3 MB in the beginning and 455.1 MB in the end (delta: 81.8 MB). Free memory was 339.7 MB in the beginning and 293.0 MB in the end (delta: 46.7 MB). Peak memory consumption was 129.0 MB. Max. memory is 16.0 GB. [2021-06-07 14:09:29,043 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 0.16 ms. Allocated memory is still 373.3 MB. Free memory was 353.8 MB in the beginning and 353.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.25 ms. Allocated memory is still 373.3 MB. Free memory was 352.6 MB in the beginning and 351.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.99 ms. Allocated memory is still 373.3 MB. Free memory was 351.2 MB in the beginning and 350.2 MB in the end (delta: 939.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 256.01 ms. Allocated memory is still 373.3 MB. Free memory was 350.2 MB in the beginning and 340.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 7523.88 ms. Allocated memory was 373.3 MB in the beginning and 455.1 MB in the end (delta: 81.8 MB). Free memory was 339.7 MB in the beginning and 293.0 MB in the end (delta: 46.7 MB). Peak memory consumption was 129.0 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: 16473, positive: 12816, positive conditional: 12816, positive unconditional: 0, negative: 3657, negative conditional: 3657, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 13346, positive: 12816, positive conditional: 12816, positive unconditional: 0, negative: 530, negative conditional: 530, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 13346, positive: 12816, positive conditional: 0, positive unconditional: 12816, negative: 530, negative conditional: 0, negative unconditional: 530, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 117, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 117, positive: 112, positive conditional: 0, positive unconditional: 112, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13346, positive: 12704, positive conditional: 0, positive unconditional: 12704, negative: 525, negative conditional: 0, negative unconditional: 525, unknown: 117, unknown conditional: 0, unknown unconditional: 117] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578, SemanticConditionEliminator.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6281, negative conditional: 1703, negative unconditional: 4578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 147, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 178, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6134, negative conditional: 1556, negative unconditional: 4578, unknown: 147, unknown conditional: 147, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 152, Negative conditional cache size: 147, Negative unconditional cache size: 5, Eliminated conditions: 4578 ], Maximal queried relation: 14, Independence queries for same thread: 3127 - PositiveResult [Line: 22]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7355.7ms, OverallIterations: 14, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 2663.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 134, 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: 53.0ms SsaConstructionTime, 220.7ms SatisfiabilityAnalysisTime, 1688.8ms InterpolantComputationTime, 780 NumberOfCodeBlocks, 770 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 2028 SizeOfPredicates, 50 NumberOfNonLiveVariables, 549 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 429/579 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...