/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 08:52:56,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 08:52:56,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 08:52:56,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 08:52:56,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 08:52:56,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 08:52:56,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 08:52:56,957 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-NewStatesSleep-NoLbe.epf [2021-04-15 08:52:56,975 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 08:52:56,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 08:52:56,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 08:52:56,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 08:52:56,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 08:52:56,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 08:52:56,978 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 08:52:56,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 08:52:56,978 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 08:52:56,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 08:52:56,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 08:52:56,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 08:52:56,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 08:52:56,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 08:52:56,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 08:52:56,979 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 08:52:56,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 08:52:56,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 08:52:56,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 08:52:56,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 08:52:56,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 08:52:56,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 08:52:56,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 08:52:56,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 08:52:56,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 08:52:56,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 08:52:56,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 08:52:56,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 08:52:56,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 08:52:56,981 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 08:52:56,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 08:52:56,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 08:52:56,982 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 08:52:56,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 08:52:57,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 08:52:57,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 08:52:57,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 08:52:57,310 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-15 08:52:57,312 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-15 08:52:57,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl [2021-04-15 08:52:57,313 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-3.wvr.bpl' [2021-04-15 08:52:57,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 08:52:57,349 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-15 08:52:57,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 08:52:57,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 08:52:57,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 08:52:57,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (1/1) ... [2021-04-15 08:52:57,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (1/1) ... [2021-04-15 08:52:57,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 08:52:57,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 08:52:57,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 08:52:57,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 08:52:57,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (1/1) ... [2021-04-15 08:52:57,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (1/1) ... [2021-04-15 08:52:57,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (1/1) ... [2021-04-15 08:52:57,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (1/1) ... [2021-04-15 08:52:57,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (1/1) ... [2021-04-15 08:52:57,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (1/1) ... [2021-04-15 08:52:57,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (1/1) ... [2021-04-15 08:52:57,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 08:52:57,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 08:52:57,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 08:52:57,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 08:52:57,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (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 [2021-04-15 08:52:57,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-15 08:52:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-15 08:52:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-15 08:52:57,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-15 08:52:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-15 08:52:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-15 08:52:57,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-15 08:52:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 08:52:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 08:52:57,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-15 08:52:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-15 08:52:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-15 08:52:57,469 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 08:52:57,709 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 08:52:57,709 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-15 08:52:57,715 INFO L202 PluginConnector]: Adding new model ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 08:52:57 BoogieIcfgContainer [2021-04-15 08:52:57,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 08:52:57,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 08:52:57,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 08:52:57,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 08:52:57,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 08:52:57" (1/2) ... [2021-04-15 08:52:57,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aadfc1a and model type ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 08:52:57, skipping insertion in model container [2021-04-15 08:52:57,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 08:52:57" (2/2) ... [2021-04-15 08:52:57,722 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-3.wvr.bpl [2021-04-15 08:52:57,727 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 08:52:57,727 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 08:52:57,732 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 08:52:57,733 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 08:52:57,800 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-15 08:52:57,814 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-04-15 08:52:57,848 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 08:52:57,848 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 08:52:57,848 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 08:52:57,848 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 08:52:57,848 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 08:52:57,848 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 08:52:57,848 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 08:52:57,848 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 08:52:57,874 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:52:57,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:52:57,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1058632235, now seen corresponding path program 1 times [2021-04-15 08:52:57,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:52:57,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775661225] [2021-04-15 08:52:57,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:52:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:52:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:52:58,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775661225] [2021-04-15 08:52:58,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:52:58,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-15 08:52:58,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515180596] [2021-04-15 08:52:58,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-15 08:52:58,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:52:58,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-15 08:52:58,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-15 08:52:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,134 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:52:58,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-04-15 08:52:58,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 08:52:58,279 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:52:58,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:52:58,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1014075727, now seen corresponding path program 2 times [2021-04-15 08:52:58,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:52:58,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776808770] [2021-04-15 08:52:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:52:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:52:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:52:58,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776808770] [2021-04-15 08:52:58,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:52:58,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-15 08:52:58,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662314723] [2021-04-15 08:52:58,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-15 08:52:58,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:52:58,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-15 08:52:58,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-15 08:52:58,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,355 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:52:58,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-04-15 08:52:58,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 08:52:58,463 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:52:58,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:52:58,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1107658621, now seen corresponding path program 3 times [2021-04-15 08:52:58,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:52:58,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566765497] [2021-04-15 08:52:58,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:52:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:52:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:52:58,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566765497] [2021-04-15 08:52:58,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:52:58,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-15 08:52:58,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83457105] [2021-04-15 08:52:58,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 08:52:58,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:52:58,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 08:52:58,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-15 08:52:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,522 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:52:58,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2021-04-15 08:52:58,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:58,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 08:52:58,593 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:52:58,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:52:58,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1703938319, now seen corresponding path program 4 times [2021-04-15 08:52:58,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:52:58,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777019654] [2021-04-15 08:52:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:52:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:52:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:52:58,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777019654] [2021-04-15 08:52:58,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:52:58,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-15 08:52:58,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263474068] [2021-04-15 08:52:58,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-15 08:52:58,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:52:58,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-15 08:52:58,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-15 08:52:58,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,629 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:52:58,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-04-15 08:52:58,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 08:52:58,739 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:52:58,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:52:58,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1969252531, now seen corresponding path program 5 times [2021-04-15 08:52:58,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:52:58,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562259513] [2021-04-15 08:52:58,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:52:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:52:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:52:58,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562259513] [2021-04-15 08:52:58,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:52:58,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-15 08:52:58,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306805653] [2021-04-15 08:52:58,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-15 08:52:58,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:52:58,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-15 08:52:58,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-15 08:52:58,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,793 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:52:58,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-04-15 08:52:58,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:58,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-15 08:52:58,885 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:52:58,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:52:58,886 INFO L82 PathProgramCache]: Analyzing trace with hash 71160355, now seen corresponding path program 6 times [2021-04-15 08:52:58,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:52:58,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045233399] [2021-04-15 08:52:58,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:52:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:52:58,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:52:58,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045233399] [2021-04-15 08:52:58,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:52:58,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-15 08:52:58,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684903273] [2021-04-15 08:52:58,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 08:52:58,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:52:58,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 08:52:58,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-15 08:52:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:58,962 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:52:58,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2021-04-15 08:52:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:58,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-15 08:52:59,051 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:52:59,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:52:59,051 INFO L82 PathProgramCache]: Analyzing trace with hash -872459059, now seen corresponding path program 7 times [2021-04-15 08:52:59,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:52:59,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880356455] [2021-04-15 08:52:59,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:52:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:52:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:52:59,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880356455] [2021-04-15 08:52:59,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:52:59,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-15 08:52:59,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998670188] [2021-04-15 08:52:59,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 08:52:59,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:52:59,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 08:52:59,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-15 08:52:59,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:59,083 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:52:59,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2021-04-15 08:52:59,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:59,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,261 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-15 08:52:59,261 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:52:59,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:52:59,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1414702905, now seen corresponding path program 8 times [2021-04-15 08:52:59,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:52:59,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234301298] [2021-04-15 08:52:59,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:52:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:52:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:52:59,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234301298] [2021-04-15 08:52:59,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:52:59,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 08:52:59,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745560626] [2021-04-15 08:52:59,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 08:52:59,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:52:59,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 08:52:59,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-15 08:52:59,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:59,314 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:52:59,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-04-15 08:52:59,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 08:52:59,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-15 08:52:59,465 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 08:52:59,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 08:52:59,468 INFO L82 PathProgramCache]: Analyzing trace with hash -266378515, now seen corresponding path program 9 times [2021-04-15 08:52:59,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 08:52:59,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689054895] [2021-04-15 08:52:59,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 08:52:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 08:52:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 08:52:59,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689054895] [2021-04-15 08:52:59,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 08:52:59,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 08:52:59,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944817276] [2021-04-15 08:52:59,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 08:52:59,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 08:52:59,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 08:52:59,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-15 08:52:59,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:59,521 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 08:52:59,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-04-15 08:52:59,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 08:52:59,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 08:52:59,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 08:52:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 08:52:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 08:52:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 08:52:59,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-15 08:52:59,683 INFO L202 PluginConnector]: Adding new model ticket-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 08:52:59 BasicIcfg [2021-04-15 08:52:59,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 08:52:59,683 INFO L168 Benchmark]: Toolchain (without parser) took 2334.92 ms. Allocated memory was 255.9 MB in the beginning and 343.9 MB in the end (delta: 88.1 MB). Free memory was 236.6 MB in the beginning and 248.0 MB in the end (delta: -11.4 MB). Peak memory consumption was 78.1 MB. Max. memory is 16.0 GB. [2021-04-15 08:52:59,685 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 08:52:59,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.53 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 08:52:59,686 INFO L168 Benchmark]: Boogie Preprocessor took 14.46 ms. Allocated memory is still 255.9 MB. Free memory was 235.0 MB in the beginning and 234.1 MB in the end (delta: 966.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 08:52:59,686 INFO L168 Benchmark]: RCFGBuilder took 322.65 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 238.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.0 GB. [2021-04-15 08:52:59,687 INFO L168 Benchmark]: TraceAbstraction took 1964.90 ms. Allocated memory was 255.9 MB in the beginning and 343.9 MB in the end (delta: 88.1 MB). Free memory was 237.6 MB in the beginning and 248.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 78.6 MB. Max. memory is 16.0 GB. [2021-04-15 08:52:59,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.53 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.46 ms. Allocated memory is still 255.9 MB. Free memory was 235.0 MB in the beginning and 234.1 MB in the end (delta: 966.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 322.65 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 238.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1964.90 ms. Allocated memory was 255.9 MB in the beginning and 343.9 MB in the end (delta: 88.1 MB). Free memory was 237.6 MB in the beginning and 248.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 78.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3966, positive: 3824, positive conditional: 3824, positive unconditional: 0, negative: 142, negative conditional: 142, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3966, positive: 3824, positive conditional: 3824, positive unconditional: 0, negative: 142, negative conditional: 142, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3966, positive: 3821, positive conditional: 0, positive unconditional: 3821, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 133, positive: 124, positive conditional: 0, positive unconditional: 124, 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: 133, positive: 116, positive conditional: 0, positive unconditional: 116, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 117, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 107, negative conditional: 98, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 43, positive conditional: 2, positive unconditional: 41, negative: 172, negative conditional: 154, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3966, positive: 3697, positive conditional: 0, positive unconditional: 3697, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 133, unknown conditional: 0, unknown unconditional: 133] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 126, Positive conditional cache size: 2, Positive unconditional cache size: 124, Negative cache size: 107, Negative conditional cache size: 98, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 107, negative conditional: 98, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 43, positive conditional: 2, positive unconditional: 41, negative: 172, negative conditional: 154, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 873, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 772, negative conditional: 393, negative unconditional: 379, unknown: 100, unknown conditional: 100, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 126, Positive conditional cache size: 2, Positive unconditional cache size: 124, Negative cache size: 107, Negative conditional cache size: 98, Negative unconditional cache size: 9, Eliminated conditions: 379, SemanticConditionEliminator.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 107, negative conditional: 98, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 43, positive conditional: 2, positive unconditional: 41, negative: 172, negative conditional: 154, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 873, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 772, negative conditional: 393, negative unconditional: 379, unknown: 100, unknown conditional: 100, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 126, Positive conditional cache size: 2, Positive unconditional cache size: 124, Negative cache size: 107, Negative conditional cache size: 98, Negative unconditional cache size: 9, Eliminated conditions: 379, SemanticConditionEliminator.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 107, negative conditional: 98, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 43, positive conditional: 2, positive unconditional: 41, negative: 172, negative conditional: 154, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 873, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 772, negative conditional: 393, negative unconditional: 379, unknown: 100, unknown conditional: 100, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 126, Positive conditional cache size: 2, Positive unconditional cache size: 124, Negative cache size: 107, Negative conditional cache size: 98, Negative unconditional cache size: 9, Eliminated conditions: 379, SemanticConditionEliminator.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 107, negative conditional: 98, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 43, positive conditional: 2, positive unconditional: 41, negative: 172, negative conditional: 154, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 873, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 772, negative conditional: 393, negative unconditional: 379, unknown: 100, unknown conditional: 100, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 126, Positive conditional cache size: 2, Positive unconditional cache size: 124, Negative cache size: 107, Negative conditional cache size: 98, Negative unconditional cache size: 9, Eliminated conditions: 379, SemanticConditionEliminator.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 107, negative conditional: 98, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 43, positive conditional: 2, positive unconditional: 41, negative: 172, negative conditional: 154, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 873, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 772, negative conditional: 393, negative unconditional: 379, unknown: 100, unknown conditional: 100, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 126, Positive conditional cache size: 2, Positive unconditional cache size: 124, Negative cache size: 107, Negative conditional cache size: 98, Negative unconditional cache size: 9, Eliminated conditions: 379, SemanticConditionEliminator.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 107, negative conditional: 98, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 43, positive conditional: 2, positive unconditional: 41, negative: 172, negative conditional: 154, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 873, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 772, negative conditional: 393, negative unconditional: 379, unknown: 100, unknown conditional: 100, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 126, Positive conditional cache size: 2, Positive unconditional cache size: 124, Negative cache size: 107, Negative conditional cache size: 98, Negative unconditional cache size: 9, Eliminated conditions: 379, SemanticConditionEliminator.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 107, negative conditional: 98, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 43, positive conditional: 2, positive unconditional: 41, negative: 172, negative conditional: 154, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 873, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 772, negative conditional: 393, negative unconditional: 379, unknown: 100, unknown conditional: 100, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 126, Positive conditional cache size: 2, Positive unconditional cache size: 124, Negative cache size: 107, Negative conditional cache size: 98, Negative unconditional cache size: 9, Eliminated conditions: 379, SemanticConditionEliminator.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 107, negative conditional: 98, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 43, positive conditional: 2, positive unconditional: 41, negative: 172, negative conditional: 154, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 873, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 772, negative conditional: 393, negative unconditional: 379, unknown: 100, unknown conditional: 100, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 126, Positive conditional cache size: 2, Positive unconditional cache size: 124, Negative cache size: 107, Negative conditional cache size: 98, Negative unconditional cache size: 9, Eliminated conditions: 379, SemanticConditionEliminator.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 873, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 870, negative conditional: 491, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 107, negative conditional: 98, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 43, positive conditional: 2, positive unconditional: 41, negative: 172, negative conditional: 154, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 873, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 772, negative conditional: 393, negative unconditional: 379, unknown: 100, unknown conditional: 100, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 126, Positive conditional cache size: 2, Positive unconditional cache size: 124, Negative cache size: 107, Negative conditional cache size: 98, Negative unconditional cache size: 9, Eliminated conditions: 379 ], Maximal queried relation: 9, Independence queries for same thread: 0 - PositiveResult [Line: 65]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1853.7ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.0ms, PartialOrderReductionTime: 1096.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 54, 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: 14.7ms SsaConstructionTime, 121.0ms SatisfiabilityAnalysisTime, 435.0ms InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...