/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 23:15:43,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 23:15:43,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 23:15:43,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 23:15:43,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 23:15:43,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 23:15:43,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 23:15:43,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 23:15:43,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 23:15:43,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 23:15:43,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 23:15:43,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 23:15:43,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 23:15:43,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 23:15:43,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 23:15:43,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 23:15:43,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 23:15:43,149 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-Lockstep.epf [2021-06-13 23:15:43,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 23:15:43,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 23:15:43,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 23:15:43,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 23:15:43,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 23:15:43,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 23:15:43,180 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 23:15:43,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 23:15:43,181 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 23:15:43,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 23:15:43,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 23:15:43,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 23:15:43,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 23:15:43,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 23:15:43,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 23:15:43,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 23:15:43,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 23:15:43,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 23:15:43,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 23:15:43,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 23:15:43,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 23:15:43,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 23:15:43,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 23:15:43,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 23:15:43,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 23:15:43,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 23:15:43,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 23:15:43,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 23:15:43,183 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-13 23:15:43,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 23:15:43,197 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 23:15:43,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 23:15:43,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 23:15:43,198 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 23:15:43,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 23:15:43,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 23:15:43,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 23:15:43,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 23:15:43,466 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 23:15:43,467 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 23:15:43,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2021-06-13 23:15:43,467 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2021-06-13 23:15:43,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 23:15:43,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 23:15:43,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 23:15:43,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 23:15:43,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 23:15:43,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/1) ... [2021-06-13 23:15:43,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/1) ... [2021-06-13 23:15:43,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 23:15:43,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 23:15:43,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 23:15:43,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 23:15:43,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/1) ... [2021-06-13 23:15:43,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/1) ... [2021-06-13 23:15:43,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/1) ... [2021-06-13 23:15:43,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/1) ... [2021-06-13 23:15:43,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/1) ... [2021-06-13 23:15:43,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/1) ... [2021-06-13 23:15:43,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/1) ... [2021-06-13 23:15:43,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 23:15:43,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 23:15:43,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 23:15:43,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 23:15:43,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 23:15:43,586 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 23:15:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 23:15:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 23:15:43,587 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 23:15:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 23:15:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 23:15:43,587 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 23:15:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 23:15:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 23:15:43,588 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 23:15:43,786 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 23:15:43,786 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 23:15:43,788 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 11:15:43 BoogieIcfgContainer [2021-06-13 23:15:43,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 23:15:43,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 23:15:43,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 23:15:43,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 23:15:43,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 11:15:43" (1/2) ... [2021-06-13 23:15:43,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9f1064 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 11:15:43, skipping insertion in model container [2021-06-13 23:15:43,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 11:15:43" (2/2) ... [2021-06-13 23:15:43,793 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-06-13 23:15:43,797 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 23:15:43,797 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 23:15:43,797 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 23:15:43,798 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 23:15:43,862 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-13 23:15:43,890 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 23:15:43,971 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 23:15:43,971 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 23:15:43,971 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 23:15:43,971 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 23:15:43,971 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 23:15:43,971 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 23:15:43,971 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 23:15:43,972 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 23:15:44,083 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 23:15:44,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 23:15:44,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1161402592, now seen corresponding path program 1 times [2021-06-13 23:15:44,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 23:15:44,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958251289] [2021-06-13 23:15:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 23:15:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 23:15:44,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 23:15:44,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 23:15:44,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958251289] [2021-06-13 23:15:44,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958251289] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 23:15:44,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 23:15:44,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 23:15:44,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214393605] [2021-06-13 23:15:44,218 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 23:15:44,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 23:15:44,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 23:15:44,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 23:15:44,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:44,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 23:15:44,236 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 23:15:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:44,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:44,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 23:15:44,258 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 23:15:44,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 23:15:44,258 INFO L82 PathProgramCache]: Analyzing trace with hash -578500880, now seen corresponding path program 2 times [2021-06-13 23:15:44,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 23:15:44,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943748050] [2021-06-13 23:15:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 23:15:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 23:15:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 23:15:44,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 23:15:44,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943748050] [2021-06-13 23:15:44,475 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943748050] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:44,475 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251428894] [2021-06-13 23:15:44,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:44,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 23:15:44,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 23:15:44,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-13 23:15:44,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 23:15:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 23:15:45,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251428894] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:45,045 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 23:15:45,045 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-06-13 23:15:45,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581528151] [2021-06-13 23:15:45,047 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-13 23:15:45,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 23:15:45,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-13 23:15:45,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2021-06-13 23:15:45,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:45,056 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 23:15:45,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 25 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 23:15:45,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:45,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:45,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:45,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:45,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:45,785 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 23:15:45,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 23:15:45,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1863352398, now seen corresponding path program 3 times [2021-06-13 23:15:45,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 23:15:45,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200165685] [2021-06-13 23:15:45,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 23:15:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 23:15:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-13 23:15:45,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 23:15:45,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200165685] [2021-06-13 23:15:45,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200165685] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 23:15:45,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 23:15:45,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 23:15:45,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056133270] [2021-06-13 23:15:45,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 23:15:45,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 23:15:45,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 23:15:45,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 23:15:45,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:45,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 23:15:45,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 23:15:45,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:45,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:45,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:45,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 23:15:45,833 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 23:15:45,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 23:15:45,834 INFO L82 PathProgramCache]: Analyzing trace with hash -410043802, now seen corresponding path program 4 times [2021-06-13 23:15:45,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 23:15:45,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080381308] [2021-06-13 23:15:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 23:15:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 23:15:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-13 23:15:45,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 23:15:45,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080381308] [2021-06-13 23:15:45,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080381308] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:45,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688371051] [2021-06-13 23:15:45,869 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:45,892 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 23:15:45,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 23:15:45,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 23:15:45,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 23:15:45,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-13 23:15:45,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688371051] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:45,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 23:15:45,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-13 23:15:45,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321021258] [2021-06-13 23:15:45,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 23:15:45,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 23:15:45,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 23:15:45,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-13 23:15:45,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:45,961 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 23:15:45,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 23:15:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:45,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:45,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:45,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:45,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:45,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:15:46,194 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:46,194 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 23:15:46,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 23:15:46,195 INFO L82 PathProgramCache]: Analyzing trace with hash 913047496, now seen corresponding path program 5 times [2021-06-13 23:15:46,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 23:15:46,195 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496681234] [2021-06-13 23:15:46,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 23:15:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 23:15:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-13 23:15:46,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 23:15:46,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496681234] [2021-06-13 23:15:46,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496681234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:46,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792863890] [2021-06-13 23:15:46,481 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:46,512 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-13 23:15:46,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 23:15:46,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-13 23:15:46,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 23:15:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 23:15:47,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792863890] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:47,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 23:15:47,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 32 [2021-06-13 23:15:47,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339716435] [2021-06-13 23:15:47,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-13 23:15:47,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 23:15:47,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-13 23:15:47,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2021-06-13 23:15:47,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:47,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 23:15:47,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 32 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 23:15:47,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:47,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:47,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:47,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:15:47,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:48,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:48,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:48,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:48,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:15:48,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-13 23:15:48,658 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:48,659 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 23:15:48,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 23:15:48,659 INFO L82 PathProgramCache]: Analyzing trace with hash -969313752, now seen corresponding path program 6 times [2021-06-13 23:15:48,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 23:15:48,659 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356751852] [2021-06-13 23:15:48,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 23:15:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 23:15:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-13 23:15:48,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 23:15:48,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356751852] [2021-06-13 23:15:48,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356751852] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:48,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890594082] [2021-06-13 23:15:48,893 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:48,921 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-13 23:15:48,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 23:15:48,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-13 23:15:48,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 23:15:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 23:15:49,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890594082] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:49,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 23:15:49,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-13 23:15:49,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198066631] [2021-06-13 23:15:49,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-13 23:15:49,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 23:15:49,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-13 23:15:49,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=884, Unknown=0, NotChecked=0, Total=992 [2021-06-13 23:15:49,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:49,555 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 23:15:49,555 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.78125) internal successors, (57), 31 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 23:15:49,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:49,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:49,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:49,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:15:49,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-13 23:15:49,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:51,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:51,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:51,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:51,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:15:51,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-13 23:15:51,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 23:15:51,531 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-13 23:15:51,532 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 23:15:51,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 23:15:51,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1732017814, now seen corresponding path program 7 times [2021-06-13 23:15:51,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 23:15:51,532 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714094509] [2021-06-13 23:15:51,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 23:15:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 23:15:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-13 23:15:51,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 23:15:51,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714094509] [2021-06-13 23:15:51,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714094509] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:51,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059964703] [2021-06-13 23:15:51,837 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 23:15:51,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-13 23:15:51,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 23:15:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 23:15:52,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059964703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:52,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 23:15:52,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 32 [2021-06-13 23:15:52,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100510002] [2021-06-13 23:15:52,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-13 23:15:52,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 23:15:52,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-13 23:15:52,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=877, Unknown=0, NotChecked=0, Total=1056 [2021-06-13 23:15:52,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:52,484 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 23:15:52,484 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.878787878787879) internal successors, (62), 32 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 23:15:52,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:52,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:52,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:52,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:15:52,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-13 23:15:52,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 23:15:52,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:15:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-13 23:15:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 23:15:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-13 23:15:54,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:54,333 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 23:15:54,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 23:15:54,333 INFO L82 PathProgramCache]: Analyzing trace with hash -538855318, now seen corresponding path program 8 times [2021-06-13 23:15:54,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 23:15:54,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452695524] [2021-06-13 23:15:54,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 23:15:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 23:15:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-13 23:15:54,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 23:15:54,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452695524] [2021-06-13 23:15:54,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452695524] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:54,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042444685] [2021-06-13 23:15:54,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:54,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 23:15:54,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 23:15:54,740 WARN L261 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-13 23:15:54,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 23:15:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 23:15:55,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042444685] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:55,590 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 23:15:55,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 22] total 34 [2021-06-13 23:15:55,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127763763] [2021-06-13 23:15:55,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-13 23:15:55,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 23:15:55,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-13 23:15:55,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1065, Unknown=0, NotChecked=0, Total=1190 [2021-06-13 23:15:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:55,591 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 23:15:55,591 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.9428571428571428) internal successors, (68), 34 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 23:15:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:15:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-13 23:15:55,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 23:15:55,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-13 23:15:55,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:15:58,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:58,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:15:58,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:15:58,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:15:58,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-13 23:15:58,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-13 23:15:58,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-13 23:15:58,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-13 23:15:58,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:58,262 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 23:15:58,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 23:15:58,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1558655818, now seen corresponding path program 9 times [2021-06-13 23:15:58,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 23:15:58,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707847571] [2021-06-13 23:15:58,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 23:15:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 23:15:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 6 proven. 114 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-06-13 23:15:58,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 23:15:58,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707847571] [2021-06-13 23:15:58,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707847571] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:15:58,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730859633] [2021-06-13 23:15:58,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 23:15:58,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-06-13 23:15:58,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 23:15:58,815 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-13 23:15:58,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 23:16:00,222 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 23:16:00,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730859633] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 23:16:00,222 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 23:16:00,222 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 30] total 42 [2021-06-13 23:16:00,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753722127] [2021-06-13 23:16:00,223 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-13 23:16:00,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 23:16:00,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-13 23:16:00,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1649, Unknown=0, NotChecked=0, Total=1806 [2021-06-13 23:16:00,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:16:00,224 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 23:16:00,224 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.9534883720930232) internal successors, (84), 42 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 23:16:00,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:16:00,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-13 23:16:00,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:16:00,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:16:00,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-13 23:16:00,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-13 23:16:00,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-13 23:16:00,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-13 23:16:00,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 23:16:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:16:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-13 23:16:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 23:16:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 23:16:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-13 23:16:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-13 23:16:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-13 23:16:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 23:16:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 23:16:08,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-13 23:16:08,981 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 23:16:08,982 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 11:16:08 BasicIcfg [2021-06-13 23:16:08,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 23:16:08,983 INFO L168 Benchmark]: Toolchain (without parser) took 25498.00 ms. Allocated memory was 196.1 MB in the beginning and 355.5 MB in the end (delta: 159.4 MB). Free memory was 176.3 MB in the beginning and 132.8 MB in the end (delta: 43.5 MB). Peak memory consumption was 203.0 MB. Max. memory is 8.0 GB. [2021-06-13 23:16:08,983 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 196.1 MB. Free memory is still 177.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 23:16:08,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.52 ms. Allocated memory is still 196.1 MB. Free memory was 176.3 MB in the beginning and 174.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 23:16:08,983 INFO L168 Benchmark]: Boogie Preprocessor took 14.03 ms. Allocated memory is still 196.1 MB. Free memory was 174.9 MB in the beginning and 173.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 23:16:08,983 INFO L168 Benchmark]: RCFGBuilder took 264.65 ms. Allocated memory is still 196.1 MB. Free memory was 173.8 MB in the beginning and 161.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-13 23:16:08,983 INFO L168 Benchmark]: TraceAbstraction took 25193.24 ms. Allocated memory was 196.1 MB in the beginning and 355.5 MB in the end (delta: 159.4 MB). Free memory was 161.4 MB in the beginning and 132.8 MB in the end (delta: 28.7 MB). Peak memory consumption was 188.3 MB. Max. memory is 8.0 GB. [2021-06-13 23:16:08,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 196.1 MB. Free memory is still 177.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 21.52 ms. Allocated memory is still 196.1 MB. Free memory was 176.3 MB in the beginning and 174.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.03 ms. Allocated memory is still 196.1 MB. Free memory was 174.9 MB in the beginning and 173.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 264.65 ms. Allocated memory is still 196.1 MB. Free memory was 173.8 MB in the beginning and 161.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25193.24 ms. Allocated memory was 196.1 MB in the beginning and 355.5 MB in the end (delta: 159.4 MB). Free memory was 161.4 MB in the beginning and 132.8 MB in the end (delta: 28.7 MB). Peak memory consumption was 188.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1596, positive: 1142, positive conditional: 1142, positive unconditional: 0, negative: 454, negative conditional: 454, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1241, positive: 1142, positive conditional: 1142, positive unconditional: 0, negative: 99, negative conditional: 99, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1241, positive: 1025, positive conditional: 0, positive unconditional: 1025, negative: 216, negative conditional: 0, negative unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 51, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 51, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 91, negative conditional: 85, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 310, negative conditional: 243, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1241, positive: 980, positive conditional: 0, positive unconditional: 980, negative: 210, negative conditional: 0, negative unconditional: 210, unknown: 51, unknown conditional: 0, unknown unconditional: 51] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 53, Positive conditional cache size: 8, Positive unconditional cache size: 45, Negative cache size: 91, Negative conditional cache size: 85, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 91, negative conditional: 85, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 310, negative conditional: 243, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 921, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 719, negative conditional: 446, negative unconditional: 273, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 53, Positive conditional cache size: 8, Positive unconditional cache size: 45, Negative cache size: 91, Negative conditional cache size: 85, Negative unconditional cache size: 6, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 91, negative conditional: 85, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 310, negative conditional: 243, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 921, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 719, negative conditional: 446, negative unconditional: 273, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 53, Positive conditional cache size: 8, Positive unconditional cache size: 45, Negative cache size: 91, Negative conditional cache size: 85, Negative unconditional cache size: 6, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 91, negative conditional: 85, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 310, negative conditional: 243, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 921, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 719, negative conditional: 446, negative unconditional: 273, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 53, Positive conditional cache size: 8, Positive unconditional cache size: 45, Negative cache size: 91, Negative conditional cache size: 85, Negative unconditional cache size: 6, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 91, negative conditional: 85, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 310, negative conditional: 243, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 921, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 719, negative conditional: 446, negative unconditional: 273, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 53, Positive conditional cache size: 8, Positive unconditional cache size: 45, Negative cache size: 91, Negative conditional cache size: 85, Negative unconditional cache size: 6, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 91, negative conditional: 85, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 310, negative conditional: 243, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 921, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 719, negative conditional: 446, negative unconditional: 273, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 53, Positive conditional cache size: 8, Positive unconditional cache size: 45, Negative cache size: 91, Negative conditional cache size: 85, Negative unconditional cache size: 6, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 91, negative conditional: 85, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 310, negative conditional: 243, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 921, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 719, negative conditional: 446, negative unconditional: 273, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 53, Positive conditional cache size: 8, Positive unconditional cache size: 45, Negative cache size: 91, Negative conditional cache size: 85, Negative unconditional cache size: 6, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 91, negative conditional: 85, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 310, negative conditional: 243, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 921, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 719, negative conditional: 446, negative unconditional: 273, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 53, Positive conditional cache size: 8, Positive unconditional cache size: 45, Negative cache size: 91, Negative conditional cache size: 85, Negative unconditional cache size: 6, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 91, negative conditional: 85, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 310, negative conditional: 243, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 921, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 719, negative conditional: 446, negative unconditional: 273, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 53, Positive conditional cache size: 8, Positive unconditional cache size: 45, Negative cache size: 91, Negative conditional cache size: 85, Negative unconditional cache size: 6, Eliminated conditions: 273, SemanticConditionEliminator.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 921, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 804, negative conditional: 531, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 91, negative conditional: 85, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 329, positive: 19, positive conditional: 8, positive unconditional: 11, negative: 310, negative conditional: 243, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 921, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 719, negative conditional: 446, negative unconditional: 273, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 53, Positive conditional cache size: 8, Positive unconditional cache size: 45, Negative cache size: 91, Negative conditional cache size: 85, Negative unconditional cache size: 6, Eliminated conditions: 273 ], Maximal queried relation: 9, Independence queries for same thread: 355 - PositiveResult [Line: 55]: 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, 34 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25062.9ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.3ms, PartialOrderReductionTime: 16337.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 353, 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: 39.4ms SsaConstructionTime, 173.2ms SatisfiabilityAnalysisTime, 6720.8ms InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 520 ConstructedInterpolants, 0 QuantifiedInterpolants, 10573 SizeOfPredicates, 31 NumberOfNonLiveVariables, 381 ConjunctsInSsa, 175 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 127/751 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...