/usr/bin/java -Xmx8000000000 -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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 09:17:16,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 09:17:16,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 09:17:16,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 09:17:16,250 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-06-17 09:17:16,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 09:17:16,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 09:17:16,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 09:17:16,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 09:17:16,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 09:17:16,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 09:17:16,268 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 09:17:16,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 09:17:16,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 09:17:16,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 09:17:16,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 09:17:16,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 09:17:16,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 09:17:16,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 09:17:16,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 09:17:16,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 09:17:16,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 09:17:16,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 09:17:16,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 09:17:16,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 09:17:16,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 09:17:16,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 09:17:16,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 09:17:16,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 09:17:16,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 09:17:16,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 09:17:16,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 09:17:16,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 09:17:16,271 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 09:17:16,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 09:17:16,271 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 09:17:16,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 09:17:16,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 09:17:16,271 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 09:17:16,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 09:17:16,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 09:17:16,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 09:17:16,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 09:17:16,536 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 09:17:16,537 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 09:17:16,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl [2021-06-17 09:17:16,538 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl' [2021-06-17 09:17:16,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 09:17:16,576 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 09:17:16,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 09:17:16,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 09:17:16,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 09:17:16,586 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 17.06 09:17:16" (1/1) ... [2021-06-17 09:17:16,591 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 17.06 09:17:16" (1/1) ... [2021-06-17 09:17:16,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 09:17:16,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 09:17:16,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 09:17:16,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 09:17:16,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:17:16" (1/1) ... [2021-06-17 09:17:16,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:17:16" (1/1) ... [2021-06-17 09:17:16,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:17:16" (1/1) ... [2021-06-17 09:17:16,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:17:16" (1/1) ... [2021-06-17 09:17:16,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:17:16" (1/1) ... [2021-06-17 09:17:16,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:17:16" (1/1) ... [2021-06-17 09:17:16,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:17:16" (1/1) ... [2021-06-17 09:17:16,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 09:17:16,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 09:17:16,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 09:17:16,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 09:17:16,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:17:16" (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 [2021-06-17 09:17:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure fistIncrementProcess [2021-06-17 09:17:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure fistIncrementProcess [2021-06-17 09:17:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 09:17:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 09:17:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrementProcess [2021-06-17 09:17:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrementProcess [2021-06-17 09:17:16,681 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 09:17:16,826 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 09:17:16,827 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 09:17:16,829 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:17:16 BoogieIcfgContainer [2021-06-17 09:17:16,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 09:17:16,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 09:17:16,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 09:17:16,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 09:17:16,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:17:16" (1/2) ... [2021-06-17 09:17:16,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5acf80 and model type NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 09:17:16, skipping insertion in model container [2021-06-17 09:17:16,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:17:16" (2/2) ... [2021-06-17 09:17:16,836 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads_Loop.bpl [2021-06-17 09:17:16,843 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 09:17:16,844 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 09:17:16,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 09:17:16,845 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 09:17:16,881 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,882 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,882 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,882 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,882 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,883 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,883 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,883 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,883 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,884 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,884 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,884 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,884 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,884 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,885 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,885 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,885 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,885 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,885 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,885 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,886 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,886 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,886 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,888 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,888 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,888 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,888 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,888 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,890 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,890 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,894 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,894 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:17:16,899 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-17 09:17:16,914 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 [2021-06-17 09:17:16,969 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 09:17:16,969 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 09:17:16,970 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 09:17:16,970 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 09:17:16,970 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 09:17:16,970 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 09:17:16,970 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 09:17:16,970 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 09:17:17,135 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:17,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:17,139 INFO L82 PathProgramCache]: Analyzing trace with hash -182483062, now seen corresponding path program 1 times [2021-06-17 09:17:17,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:17,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794774223] [2021-06-17 09:17:17,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 09:17:17,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:17,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794774223] [2021-06-17 09:17:17,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794774223] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:17,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017492540] [2021-06-17 09:17:17,312 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 [2021-06-17 09:17:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:17,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 09:17:17,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:17:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 09:17:17,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017492540] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:17,429 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:17:17,429 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-17 09:17:17,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92334562] [2021-06-17 09:17:17,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 09:17:17,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:17,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 09:17:17,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-17 09:17:17,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:17,444 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:17,445 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-06-17 09:17:17,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:17,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:17,707 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-17 09:17:17,707 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:17,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:17,708 INFO L82 PathProgramCache]: Analyzing trace with hash 193685510, now seen corresponding path program 2 times [2021-06-17 09:17:17,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:17,708 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161323673] [2021-06-17 09:17:17,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:17,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:17,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161323673] [2021-06-17 09:17:17,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161323673] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 09:17:17,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 09:17:17,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 09:17:17,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402022413] [2021-06-17 09:17:17,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 09:17:17,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:17,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 09:17:17,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-17 09:17:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:17,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:17,788 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) [2021-06-17 09:17:17,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:17,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:17,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 09:17:17,851 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:17,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:17,851 INFO L82 PathProgramCache]: Analyzing trace with hash 577332382, now seen corresponding path program 1 times [2021-06-17 09:17:17,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:17,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532714969] [2021-06-17 09:17:17,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-06-17 09:17:17,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:17,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532714969] [2021-06-17 09:17:17,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532714969] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 09:17:17,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 09:17:17,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 09:17:17,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517510754] [2021-06-17 09:17:17,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 09:17:17,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:17,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 09:17:17,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 09:17:17,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:17,920 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:17,920 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) [2021-06-17 09:17:17,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:17,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:17,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:17,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:17,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:17,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 09:17:17,950 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:17,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:17,953 INFO L82 PathProgramCache]: Analyzing trace with hash -78836071, now seen corresponding path program 3 times [2021-06-17 09:17:17,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:17,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676751252] [2021-06-17 09:17:17,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 40 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:18,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:18,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676751252] [2021-06-17 09:17:18,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676751252] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:18,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174202870] [2021-06-17 09:17:18,403 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 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 [2021-06-17 09:17:18,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-17 09:17:18,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:17:18,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 09:17:18,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:17:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:18,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174202870] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 09:17:18,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 09:17:18,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [23] total 30 [2021-06-17 09:17:18,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499367489] [2021-06-17 09:17:18,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 09:17:18,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:18,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 09:17:18,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2021-06-17 09:17:18,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:18,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:18,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2021-06-17 09:17:18,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:18,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:18,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:18,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:18,968 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:17:18,969 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:18,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:18,970 INFO L82 PathProgramCache]: Analyzing trace with hash 76781601, now seen corresponding path program 4 times [2021-06-17 09:17:18,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:18,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593194294] [2021-06-17 09:17:18,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:19,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:19,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593194294] [2021-06-17 09:17:19,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593194294] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:19,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440363089] [2021-06-17 09:17:19,072 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 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 [2021-06-17 09:17:19,098 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 09:17:19,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:17:19,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-17 09:17:19,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:17:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:19,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440363089] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:19,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:17:19,168 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2021-06-17 09:17:19,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891604861] [2021-06-17 09:17:19,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 09:17:19,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:19,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 09:17:19,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-17 09:17:19,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:19,169 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:19,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 14 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 09:17:19,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:19,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:19,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:19,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:19,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:19,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 09:17:19,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:17:19,798 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:19,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:19,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1118241826, now seen corresponding path program 5 times [2021-06-17 09:17:19,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:19,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722283872] [2021-06-17 09:17:19,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 09:17:19,831 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:19,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722283872] [2021-06-17 09:17:19,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722283872] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:19,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147438286] [2021-06-17 09:17:19,831 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:17:19,853 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 09:17:19,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:17:19,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-17 09:17:19,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:17:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 09:17:19,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147438286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:19,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:17:19,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-17 09:17:19,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924127898] [2021-06-17 09:17:19,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 09:17:19,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:19,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 09:17:19,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-17 09:17:19,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:19,909 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:19,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2021-06-17 09:17:19,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:19,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:19,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:19,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:19,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 09:17:19,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:20,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:20,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:20,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:20,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:20,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 09:17:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:20,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-17 09:17:20,285 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:20,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:20,285 INFO L82 PathProgramCache]: Analyzing trace with hash 423648059, now seen corresponding path program 6 times [2021-06-17 09:17:20,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:20,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107958753] [2021-06-17 09:17:20,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:17:20,345 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:20,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107958753] [2021-06-17 09:17:20,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107958753] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:20,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641866222] [2021-06-17 09:17:20,345 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:17:20,372 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-17 09:17:20,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:17:20,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 09:17:20,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:17:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:17:20,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641866222] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:20,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:17:20,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-17 09:17:20,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107492198] [2021-06-17 09:17:20,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 09:17:20,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:20,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 09:17:20,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-17 09:17:20,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:20,439 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:20,439 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) [2021-06-17 09:17:20,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 09:17:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:20,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:17:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:20,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:17:20,953 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:20,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:20,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1361506795, now seen corresponding path program 7 times [2021-06-17 09:17:20,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:20,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249293621] [2021-06-17 09:17:20,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:21,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:21,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249293621] [2021-06-17 09:17:21,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249293621] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 09:17:21,000 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 09:17:21,000 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 09:17:21,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198129693] [2021-06-17 09:17:21,001 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 09:17:21,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:21,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 09:17:21,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-17 09:17:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:21,016 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:21,016 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) [2021-06-17 09:17:21,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:21,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:21,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:17:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:21,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:17:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:21,219 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-17 09:17:21,219 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:21,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:21,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1389737123, now seen corresponding path program 8 times [2021-06-17 09:17:21,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:21,220 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834785335] [2021-06-17 09:17:21,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:21,298 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:21,298 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:21,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834785335] [2021-06-17 09:17:21,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834785335] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:21,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914479372] [2021-06-17 09:17:21,298 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 [2021-06-17 09:17:21,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:17:21,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:17:21,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 09:17:21,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:17:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:21,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914479372] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:21,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:17:21,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-17 09:17:21,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224019568] [2021-06-17 09:17:21,400 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 09:17:21,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:21,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 09:17:21,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-17 09:17:21,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:21,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:21,400 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) [2021-06-17 09:17:21,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:21,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:21,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:21,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:21,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:17:21,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:21,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:21,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:21,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:17:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:17:21,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:17:21,877 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:21,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:21,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1134105425, now seen corresponding path program 9 times [2021-06-17 09:17:21,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:21,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156121065] [2021-06-17 09:17:21,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:21,946 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:21,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156121065] [2021-06-17 09:17:21,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156121065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:21,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463190627] [2021-06-17 09:17:21,946 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 [2021-06-17 09:17:21,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 09:17:21,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:17:21,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 09:17:21,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:17:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:22,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463190627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:22,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:17:22,043 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-17 09:17:22,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544768730] [2021-06-17 09:17:22,045 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 09:17:22,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:22,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 09:17:22,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-17 09:17:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:22,046 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:22,046 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) [2021-06-17 09:17:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:17:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:17:22,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:17:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:17:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:17:22,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-17 09:17:22,567 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:17:22,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:17:22,567 INFO L82 PathProgramCache]: Analyzing trace with hash 841186467, now seen corresponding path program 10 times [2021-06-17 09:17:22,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:17:22,568 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510327210] [2021-06-17 09:17:22,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:17:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:17:22,616 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:22,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:17:22,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510327210] [2021-06-17 09:17:22,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510327210] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:22,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662704847] [2021-06-17 09:17:22,617 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 [2021-06-17 09:17:22,645 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 09:17:22,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:17:22,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 09:17:22,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:17:22,697 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:17:22,697 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662704847] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:17:22,698 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:17:22,698 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-17 09:17:22,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623459992] [2021-06-17 09:17:22,698 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 09:17:22,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:17:22,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 09:17:22,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-17 09:17:22,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:22,699 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:17:22,699 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) [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 09:17:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:17:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:17:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:17:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:17:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 09:17:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 09:17:23,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:17:23,568 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 09:17:23,570 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 09:17:23 BasicIcfg [2021-06-17 09:17:23,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 09:17:23,570 INFO L168 Benchmark]: Toolchain (without parser) took 6994.00 ms. Allocated memory was 208.7 MB in the beginning and 367.0 MB in the end (delta: 158.3 MB). Free memory was 188.7 MB in the beginning and 249.1 MB in the end (delta: -60.4 MB). Peak memory consumption was 98.4 MB. Max. memory is 8.0 GB. [2021-06-17 09:17:23,570 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 208.7 MB. Free memory is still 189.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 09:17:23,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.27 ms. Allocated memory is still 208.7 MB. Free memory was 188.7 MB in the beginning and 187.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 09:17:23,570 INFO L168 Benchmark]: Boogie Preprocessor took 15.27 ms. Allocated memory is still 208.7 MB. Free memory was 187.2 MB in the beginning and 186.3 MB in the end (delta: 918.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 09:17:23,571 INFO L168 Benchmark]: RCFGBuilder took 213.26 ms. Allocated memory is still 208.7 MB. Free memory was 186.2 MB in the beginning and 176.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-17 09:17:23,571 INFO L168 Benchmark]: TraceAbstraction took 6738.65 ms. Allocated memory was 208.7 MB in the beginning and 367.0 MB in the end (delta: 158.3 MB). Free memory was 175.9 MB in the beginning and 249.1 MB in the end (delta: -73.3 MB). Peak memory consumption was 85.8 MB. Max. memory is 8.0 GB. [2021-06-17 09:17:23,571 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 0.12 ms. Allocated memory is still 208.7 MB. Free memory is still 189.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.27 ms. Allocated memory is still 208.7 MB. Free memory was 188.7 MB in the beginning and 187.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.27 ms. Allocated memory is still 208.7 MB. Free memory was 187.2 MB in the beginning and 186.3 MB in the end (delta: 918.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 213.26 ms. Allocated memory is still 208.7 MB. Free memory was 186.2 MB in the beginning and 176.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6738.65 ms. Allocated memory was 208.7 MB in the beginning and 367.0 MB in the end (delta: 158.3 MB). Free memory was 175.9 MB in the beginning and 249.1 MB in the end (delta: -73.3 MB). Peak memory consumption was 85.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15160, positive: 12058, positive conditional: 11631, positive unconditional: 427, negative: 3102, negative conditional: 3088, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 12577, positive: 12058, positive conditional: 11631, positive unconditional: 427, negative: 519, negative conditional: 505, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 12577, positive: 12058, positive conditional: 0, positive unconditional: 12058, negative: 519, negative conditional: 0, negative unconditional: 519, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 258, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 258, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12577, positive: 11809, positive conditional: 0, positive unconditional: 11809, negative: 510, negative conditional: 0, negative unconditional: 510, unknown: 258, unknown conditional: 0, unknown unconditional: 258] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490 ], Maximal queried relation: 11, Independence queries for same thread: 2583 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 825, Number of persistent set computation: 22539, Number of trivial persistent sets: 22539, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15160, positive: 12058, positive conditional: 11631, positive unconditional: 427, negative: 3102, negative conditional: 3088, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 12577, positive: 12058, positive conditional: 11631, positive unconditional: 427, negative: 519, negative conditional: 505, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 12577, positive: 12058, positive conditional: 0, positive unconditional: 12058, negative: 519, negative conditional: 0, negative unconditional: 519, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 258, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 258, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12577, positive: 11809, positive conditional: 0, positive unconditional: 11809, negative: 510, negative conditional: 0, negative unconditional: 510, unknown: 258, unknown conditional: 0, unknown unconditional: 258] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490, SemanticConditionEliminator.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4504, negative conditional: 999, negative unconditional: 3505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 143, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 143, negative conditional: 134, negative unconditional: 9, 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: 163, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4504, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4370, negative conditional: 865, negative unconditional: 3505, unknown: 134, unknown conditional: 134, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 392, Positive cache size: 249, Positive conditional cache size: 0, Positive unconditional cache size: 249, Negative cache size: 143, Negative conditional cache size: 134, Negative unconditional cache size: 9, Eliminated conditions: 3490 ], Maximal queried relation: 11, Independence queries for same thread: 2583 - 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: 6633.5ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.2ms, PartialOrderReductionTime: 2601.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 107, 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: 50.5ms SsaConstructionTime, 176.2ms SatisfiabilityAnalysisTime, 1702.7ms InterpolantComputationTime, 676 NumberOfCodeBlocks, 666 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 657 ConstructedInterpolants, 0 QuantifiedInterpolants, 1877 SizeOfPredicates, 38 NumberOfNonLiveVariables, 474 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 480/592 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...