/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 21:54:16,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 21:54:16,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 21:54:16,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 21:54:16,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 21:54:16,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 21:54:16,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 21:54:16,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 21:54:16,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 21:54:16,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 21:54:16,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 21:54:16,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 21:54:16,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 21:54:16,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 21:54:16,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 21:54:16,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 21:54:16,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 21:54:16,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 21:54:16,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 21:54:16,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 21:54:16,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 21:54:16,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 21:54:16,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 21:54:16,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 21:54:16,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 21:54:16,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 21:54:16,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 21:54:16,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 21:54:16,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 21:54:16,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 21:54:16,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 21:54:16,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 21:54:16,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 21:54:16,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 21:54:16,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 21:54:16,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 21:54:16,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 21:54:16,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 21:54:16,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 21:54:16,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 21:54:16,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 21:54:16,177 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-Random42.epf [2021-07-14 21:54:16,208 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 21:54:16,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 21:54:16,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 21:54:16,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 21:54:16,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 21:54:16,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 21:54:16,210 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 21:54:16,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 21:54:16,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 21:54:16,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 21:54:16,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 21:54:16,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 21:54:16,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 21:54:16,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 21:54:16,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 21:54:16,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 21:54:16,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 21:54:16,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 21:54:16,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 21:54:16,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 21:54:16,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 21:54:16,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 21:54:16,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 21:54:16,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 21:54:16,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 21:54:16,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 21:54:16,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 21:54:16,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 21:54:16,220 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 21:54:16,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 21:54:16,220 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 21:54:16,220 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 21:54:16,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 21:54:16,220 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 21:54:16,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 21:54:16,221 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 21:54:16,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 21:54:16,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 21:54:16,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 21:54:16,447 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 21:54:16,447 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 21:54:16,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl [2021-07-14 21:54:16,448 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy6.wvr.bpl' [2021-07-14 21:54:16,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 21:54:16,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 21:54:16,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 21:54:16,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 21:54:16,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 21:54:16,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (1/1) ... [2021-07-14 21:54:16,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (1/1) ... [2021-07-14 21:54:16,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 21:54:16,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 21:54:16,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 21:54:16,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 21:54:16,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (1/1) ... [2021-07-14 21:54:16,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (1/1) ... [2021-07-14 21:54:16,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (1/1) ... [2021-07-14 21:54:16,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (1/1) ... [2021-07-14 21:54:16,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (1/1) ... [2021-07-14 21:54:16,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (1/1) ... [2021-07-14 21:54:16,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (1/1) ... [2021-07-14 21:54:16,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 21:54:16,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 21:54:16,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 21:54:16,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 21:54:16,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (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 [2021-07-14 21:54:16,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 21:54:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 21:54:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 21:54:16,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 21:54:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 21:54:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 21:54:16,580 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 21:54:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 21:54:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 21:54:16,581 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 21:54:16,744 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 21:54:16,744 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 21:54:16,745 INFO L202 PluginConnector]: Adding new model easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:54:16 BoogieIcfgContainer [2021-07-14 21:54:16,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 21:54:16,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 21:54:16,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 21:54:16,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 21:54:16,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:54:16" (1/2) ... [2021-07-14 21:54:16,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9e806d and model type easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 09:54:16, skipping insertion in model container [2021-07-14 21:54:16,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:54:16" (2/2) ... [2021-07-14 21:54:16,750 INFO L111 eAbstractionObserver]: Analyzing ICFG easy6.wvr.bpl [2021-07-14 21:54:16,766 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 21:54:16,766 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 21:54:16,766 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 21:54:16,767 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 21:54:16,788 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 21:54:16,803 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 [2021-07-14 21:54:16,877 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 21:54:16,878 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 21:54:16,878 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 21:54:16,878 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 21:54:16,878 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 21:54:16,878 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 21:54:16,878 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 21:54:16,878 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 21:54:17,016 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:54:17,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:54:17,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1439395879, now seen corresponding path program 1 times [2021-07-14 21:54:17,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:54:17,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997848418] [2021-07-14 21:54:17,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:54:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:54:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:54:17,265 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:54:17,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997848418] [2021-07-14 21:54:17,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997848418] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:54:17,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:54:17,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 21:54:17,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058496708] [2021-07-14 21:54:17,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 21:54:17,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:54:17,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 21:54:17,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 21:54:17,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:54:17,284 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2021-07-14 21:54:17,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 21:54:17,410 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:54:17,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:54:17,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2067068503, now seen corresponding path program 2 times [2021-07-14 21:54:17,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:54:17,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170289681] [2021-07-14 21:54:17,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:54:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:54:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:54:17,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:54:17,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170289681] [2021-07-14 21:54:17,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170289681] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:54:17,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:54:17,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 21:54:17,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422692101] [2021-07-14 21:54:17,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 21:54:17,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:54:17,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 21:54:17,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-14 21:54:17,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,486 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:54:17,486 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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) [2021-07-14 21:54:17,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,571 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 21:54:17,571 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:54:17,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:54:17,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1658939957, now seen corresponding path program 3 times [2021-07-14 21:54:17,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:54:17,572 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796492121] [2021-07-14 21:54:17,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:54:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:54:17,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:54:17,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:54:17,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796492121] [2021-07-14 21:54:17,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796492121] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:54:17,584 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:54:17,584 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 21:54:17,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714241280] [2021-07-14 21:54:17,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:54:17,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:54:17,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:54:17,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:54:17,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,585 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:54:17,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-07-14 21:54:17,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:17,610 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 21:54:17,610 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:54:17,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:54:17,611 INFO L82 PathProgramCache]: Analyzing trace with hash -476742931, now seen corresponding path program 4 times [2021-07-14 21:54:17,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:54:17,611 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860232101] [2021-07-14 21:54:17,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:54:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:54:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:54:17,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:54:17,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860232101] [2021-07-14 21:54:17,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860232101] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:54:17,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:54:17,693 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-14 21:54:17,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502825444] [2021-07-14 21:54:17,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 21:54:17,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:54:17,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 21:54:17,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-14 21:54:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,694 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:54:17,694 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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) [2021-07-14 21:54:17,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:17,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:17,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 21:54:17,810 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:54:17,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:54:17,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1936876625, now seen corresponding path program 5 times [2021-07-14 21:54:17,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:54:17,811 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079524248] [2021-07-14 21:54:17,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:54:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:54:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:54:17,873 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:54:17,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079524248] [2021-07-14 21:54:17,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079524248] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:54:17,873 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:54:17,873 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 21:54:17,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190197935] [2021-07-14 21:54:17,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 21:54:17,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:54:17,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 21:54:17,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 21:54:17,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,875 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:54:17,875 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2021-07-14 21:54:17,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:17,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,973 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 21:54:17,973 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:54:17,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:54:17,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1388316943, now seen corresponding path program 6 times [2021-07-14 21:54:17,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:54:17,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837192837] [2021-07-14 21:54:17,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:54:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:54:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:54:17,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:54:17,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837192837] [2021-07-14 21:54:17,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837192837] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:54:17,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:54:17,991 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 21:54:17,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291142597] [2021-07-14 21:54:17,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:54:17,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:54:17,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:54:17,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:54:17,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:17,991 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:54:17,992 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-07-14 21:54:17,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:17,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:17,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:17,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:18,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:18,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:18,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:18,025 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 21:54:18,025 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:54:18,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:54:18,026 INFO L82 PathProgramCache]: Analyzing trace with hash 59446391, now seen corresponding path program 7 times [2021-07-14 21:54:18,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:54:18,027 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100447217] [2021-07-14 21:54:18,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:54:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:54:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:54:18,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:54:18,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100447217] [2021-07-14 21:54:18,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100447217] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:54:18,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:54:18,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 21:54:18,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586581659] [2021-07-14 21:54:18,072 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 21:54:18,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:54:18,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 21:54:18,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-14 21:54:18,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:18,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:54:18,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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) [2021-07-14 21:54:18,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:18,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:18,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:18,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:18,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:18,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:18,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:54:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 21:54:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:54:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 21:54:18,221 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 21:54:18,228 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 21:54:18,229 INFO L202 PluginConnector]: Adding new model easy6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 09:54:18 BasicIcfg [2021-07-14 21:54:18,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 21:54:18,230 INFO L168 Benchmark]: Toolchain (without parser) took 1765.89 ms. Allocated memory was 195.0 MB in the beginning and 234.9 MB in the end (delta: 39.8 MB). Free memory was 175.0 MB in the beginning and 212.4 MB in the end (delta: -37.3 MB). Peak memory consumption was 3.6 MB. Max. memory is 8.0 GB. [2021-07-14 21:54:18,230 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 195.0 MB. Free memory is still 176.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 21:54:18,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.88 ms. Allocated memory is still 195.0 MB. Free memory was 175.0 MB in the beginning and 173.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 21:54:18,231 INFO L168 Benchmark]: Boogie Preprocessor took 8.69 ms. Allocated memory is still 195.0 MB. Free memory was 173.5 MB in the beginning and 172.6 MB in the end (delta: 901.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 21:54:18,231 INFO L168 Benchmark]: RCFGBuilder took 247.37 ms. Allocated memory is still 195.0 MB. Free memory was 172.6 MB in the beginning and 161.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 21:54:18,231 INFO L168 Benchmark]: TraceAbstraction took 1483.06 ms. Allocated memory was 195.0 MB in the beginning and 234.9 MB in the end (delta: 39.8 MB). Free memory was 160.6 MB in the beginning and 212.4 MB in the end (delta: -51.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 21:54:18,232 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 0.09 ms. Allocated memory is still 195.0 MB. Free memory is still 176.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.88 ms. Allocated memory is still 195.0 MB. Free memory was 175.0 MB in the beginning and 173.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 8.69 ms. Allocated memory is still 195.0 MB. Free memory was 173.5 MB in the beginning and 172.6 MB in the end (delta: 901.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 247.37 ms. Allocated memory is still 195.0 MB. Free memory was 172.6 MB in the beginning and 161.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1483.06 ms. Allocated memory was 195.0 MB in the beginning and 234.9 MB in the end (delta: 39.8 MB). Free memory was 160.6 MB in the beginning and 212.4 MB in the end (delta: -51.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1032, positive: 913, positive conditional: 403, positive unconditional: 510, negative: 119, negative conditional: 53, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1032, positive: 913, positive conditional: 403, positive unconditional: 510, negative: 119, negative conditional: 53, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1032, positive: 912, positive conditional: 0, positive unconditional: 912, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 289, positive: 265, positive conditional: 0, positive unconditional: 265, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 289, positive: 259, positive conditional: 0, positive unconditional: 259, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1032, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 289, unknown conditional: 0, unknown unconditional: 289] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174 ], Maximal queried relation: 7, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 158, Number of persistent set computation: 105, Number of trivial persistent sets: 78, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1032, positive: 913, positive conditional: 403, positive unconditional: 510, negative: 119, negative conditional: 53, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1032, positive: 913, positive conditional: 403, positive unconditional: 510, negative: 119, negative conditional: 53, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1032, positive: 912, positive conditional: 0, positive unconditional: 912, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 289, positive: 265, positive conditional: 0, positive unconditional: 265, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 289, positive: 259, positive conditional: 0, positive unconditional: 259, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1032, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 289, unknown conditional: 0, unknown unconditional: 289] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174, SemanticConditionEliminator.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 437, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 436, negative conditional: 76, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 7, positive conditional: 1, positive unconditional: 6, negative: 47, negative conditional: 23, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 137, negative conditional: 37, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 437, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 413, negative conditional: 53, negative unconditional: 360, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 266, Positive conditional cache size: 1, Positive unconditional cache size: 265, Negative cache size: 47, Negative conditional cache size: 23, Negative unconditional cache size: 24, Eliminated conditions: 174 ], Maximal queried relation: 7, Independence queries for same thread: 0 - PositiveResult [Line: 60]: 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, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1402.6ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 751.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, 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: 12.9ms SsaConstructionTime, 59.4ms SatisfiabilityAnalysisTime, 375.2ms InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...