/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-Random42.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 [2021-06-14 05:30:36,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 05:30:36,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 05:30:36,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 05:30:36,793 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-Random42.epf [2021-06-14 05:30:36,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 05:30:36,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 05:30:36,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 05:30:36,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 05:30:36,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 05:30:36,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 05:30:36,822 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 05:30:36,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 05:30:36,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 05:30:36,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 05:30:36,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 05:30:36,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 05:30:36,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 05:30:36,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 05:30:36,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 05:30:36,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 05:30:36,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 05:30:36,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 05:30:36,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 05:30:36,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 05:30:36,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 05:30:36,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 05:30:36,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 05:30:36,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 05:30:36,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 05:30:36,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 05:30:36,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 05:30:36,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 05:30:36,825 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 05:30:36,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 05:30:36,825 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 05:30:36,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 05:30:36,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 05:30:36,826 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 05:30:36,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 05:30:36,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 05:30:37,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 05:30:37,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 05:30:37,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 05:30:37,111 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 05:30:37,112 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 05:30:37,113 INFO L432 ainManager$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 [2021-06-14 05:30:37,113 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' [2021-06-14 05:30:37,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 05:30:37,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 05:30:37,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 05:30:37,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 05:30:37,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 05:30:37,172 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 14.06 05:30:37" (1/1) ... [2021-06-14 05:30:37,178 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 14.06 05:30:37" (1/1) ... [2021-06-14 05:30:37,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 05:30:37,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 05:30:37,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 05:30:37,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 05:30:37,189 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 14.06 05:30:37" (1/1) ... [2021-06-14 05:30:37,189 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 14.06 05:30:37" (1/1) ... [2021-06-14 05:30:37,190 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 14.06 05:30:37" (1/1) ... [2021-06-14 05:30:37,190 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 14.06 05:30:37" (1/1) ... [2021-06-14 05:30:37,192 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 14.06 05:30:37" (1/1) ... [2021-06-14 05:30:37,194 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 14.06 05:30:37" (1/1) ... [2021-06-14 05:30:37,195 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 14.06 05:30:37" (1/1) ... [2021-06-14 05:30:37,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 05:30:37,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 05:30:37,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 05:30:37,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 05:30:37,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:30:37" (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 [2021-06-14 05:30:37,265 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 05:30:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 05:30:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 05:30:37,265 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 05:30:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 05:30:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 05:30:37,265 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 05:30:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 05:30:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 05:30:37,266 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 05:30:37,453 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 05:30:37,454 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 05:30:37,455 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 05:30:37 BoogieIcfgContainer [2021-06-14 05:30:37,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 05:30:37,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 05:30:37,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 05:30:37,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 05:30:37,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 05:30:37" (1/2) ... [2021-06-14 05:30:37,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71185a1c and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 05:30:37, skipping insertion in model container [2021-06-14 05:30:37,459 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 14.06 05:30:37" (2/2) ... [2021-06-14 05:30:37,460 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-06-14 05:30:37,463 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 05:30:37,464 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 05:30:37,464 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 05:30:37,464 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 05:30:37,483 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-14 05:30:37,496 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 [2021-06-14 05:30:37,543 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 05:30:37,544 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 05:30:37,544 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 05:30:37,544 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 05:30:37,544 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 05:30:37,544 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 05:30:37,544 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 05:30:37,544 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 05:30:37,570 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:30:37,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:30:37,574 INFO L82 PathProgramCache]: Analyzing trace with hash -798742128, now seen corresponding path program 1 times [2021-06-14 05:30:37,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:30:37,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899102292] [2021-06-14 05:30:37,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:30:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:30:37,685 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:30:37,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899102292] [2021-06-14 05:30:37,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899102292] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 05:30:37,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 05:30:37,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 05:30:37,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597423275] [2021-06-14 05:30:37,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 05:30:37,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:30:37,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 05:30:37,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 05:30:37,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:37,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:30:37,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-06-14 05:30:37,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:37,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 05:30:37,742 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:30:37,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:30:37,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1472778766, now seen corresponding path program 1 times [2021-06-14 05:30:37,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:30:37,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948728463] [2021-06-14 05:30:37,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:30:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 05:30:37,778 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:30:37,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948728463] [2021-06-14 05:30:37,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948728463] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 05:30:37,779 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 05:30:37,779 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 05:30:37,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972499099] [2021-06-14 05:30:37,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 05:30:37,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:30:37,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 05:30:37,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 05:30:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:37,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:30:37,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-06-14 05:30:37,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:37,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:37,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:37,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:37,857 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 05:30:37,857 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:30:37,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:30:37,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1739775620, now seen corresponding path program 1 times [2021-06-14 05:30:37,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:30:37,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246880348] [2021-06-14 05:30:37,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:30:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:30:38,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:30:38,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246880348] [2021-06-14 05:30:38,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246880348] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:38,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157493727] [2021-06-14 05:30:38,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:30:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:38,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-14 05:30:38,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:30:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:30:38,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157493727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:38,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:30:38,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-14 05:30:38,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143703316] [2021-06-14 05:30:38,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 05:30:38,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:30:38,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 05:30:38,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-06-14 05:30:38,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:38,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:30:38,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.0) internal successors, (42), 20 states have internal predecessors, (42), 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) [2021-06-14 05:30:38,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:38,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:38,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:38,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:38,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:38,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:30:38,789 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:30:38,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:30:38,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1973751370, now seen corresponding path program 2 times [2021-06-14 05:30:38,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:30:38,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127669410] [2021-06-14 05:30:38,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:30:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 05:30:39,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:30:39,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127669410] [2021-06-14 05:30:39,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127669410] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:39,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016765254] [2021-06-14 05:30:39,070 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 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 [2021-06-14 05:30:39,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 05:30:39,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:30:39,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-14 05:30:39,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:30:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:30:39,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016765254] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:39,837 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:30:39,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-06-14 05:30:39,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472073757] [2021-06-14 05:30:39,837 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 05:30:39,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:30:39,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 05:30:39,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2021-06-14 05:30:39,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:39,838 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:30:39,838 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 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) [2021-06-14 05:30:39,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:39,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:39,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:39,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:40,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:30:40,245 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:30:40,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:30:40,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1738249678, now seen corresponding path program 3 times [2021-06-14 05:30:40,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:30:40,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396157392] [2021-06-14 05:30:40,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:30:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-14 05:30:40,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:30:40,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396157392] [2021-06-14 05:30:40,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396157392] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:40,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384424890] [2021-06-14 05:30:40,450 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 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 [2021-06-14 05:30:40,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-14 05:30:40,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:30:40,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 05:30:40,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:30:41,163 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2021-06-14 05:30:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:30:41,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384424890] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:41,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:30:41,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 29 [2021-06-14 05:30:41,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959801840] [2021-06-14 05:30:41,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-14 05:30:41,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:30:41,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-14 05:30:41,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=715, Unknown=0, NotChecked=0, Total=870 [2021-06-14 05:30:41,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:41,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:30:41,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.9) internal successors, (57), 29 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) [2021-06-14 05:30:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:41,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:41,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:41,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:41,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:41,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:30:42,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:30:42,203 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:30:42,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:30:42,203 INFO L82 PathProgramCache]: Analyzing trace with hash 2132992430, now seen corresponding path program 4 times [2021-06-14 05:30:42,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:30:42,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765004427] [2021-06-14 05:30:42,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:30:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 5 proven. 44 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-06-14 05:30:42,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:30:42,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765004427] [2021-06-14 05:30:42,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765004427] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:42,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244934490] [2021-06-14 05:30:42,579 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 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 [2021-06-14 05:30:42,623 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 05:30:42,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:30:42,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-14 05:30:42,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:30:43,373 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2021-06-14 05:30:43,893 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-06-14 05:30:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:30:44,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244934490] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:44,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:30:44,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 20] total 30 [2021-06-14 05:30:44,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899034514] [2021-06-14 05:30:44,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 05:30:44,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:30:44,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 05:30:44,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=789, Unknown=0, NotChecked=0, Total=930 [2021-06-14 05:30:44,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:44,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:30:44,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.032258064516129) internal successors, (63), 30 states have internal predecessors, (63), 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) [2021-06-14 05:30:44,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:44,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:44,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:44,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:44,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:30:44,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:45,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:30:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 05:30:45,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-14 05:30:45,650 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:30:45,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:30:45,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1061586066, now seen corresponding path program 5 times [2021-06-14 05:30:45,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:30:45,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361233106] [2021-06-14 05:30:45,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:30:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 1 proven. 81 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-06-14 05:30:45,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:30:45,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361233106] [2021-06-14 05:30:45,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361233106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:45,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135196508] [2021-06-14 05:30:45,913 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 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 [2021-06-14 05:30:45,955 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-06-14 05:30:45,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:30:45,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-14 05:30:45,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:30:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:30:47,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135196508] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:47,451 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:30:47,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23] total 36 [2021-06-14 05:30:47,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127405392] [2021-06-14 05:30:47,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-14 05:30:47,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:30:47,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-14 05:30:47,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1172, Unknown=0, NotChecked=0, Total=1332 [2021-06-14 05:30:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:47,453 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:30:47,453 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.8918918918918919) internal successors, (70), 36 states have internal predecessors, (70), 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) [2021-06-14 05:30:47,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:47,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:47,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:47,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:47,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:30:47,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 05:30:47,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:50,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:50,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:50,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:50,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:50,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:30:50,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 05:30:50,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 05:30:51,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:30:51,189 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:30:51,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:30:51,189 INFO L82 PathProgramCache]: Analyzing trace with hash 398253608, now seen corresponding path program 6 times [2021-06-14 05:30:51,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:30:51,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341664019] [2021-06-14 05:30:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:30:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 7 proven. 67 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-06-14 05:30:51,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:30:51,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341664019] [2021-06-14 05:30:51,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341664019] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:51,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474286785] [2021-06-14 05:30:51,549 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 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 [2021-06-14 05:30:51,582 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-06-14 05:30:51,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:30:51,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-14 05:30:51,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:30:52,532 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-06-14 05:30:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:30:53,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474286785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:53,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:30:53,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 23] total 33 [2021-06-14 05:30:53,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5832480] [2021-06-14 05:30:53,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-14 05:30:53,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:30:53,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-14 05:30:53,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1004, Unknown=0, NotChecked=0, Total=1122 [2021-06-14 05:30:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:53,256 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:30:53,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.0294117647058822) internal successors, (69), 33 states have internal predecessors, (69), 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) [2021-06-14 05:30:53,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:53,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:30:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 05:30:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 05:30:53,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:30:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 05:30:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 05:30:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:30:55,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-14 05:30:55,019 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:30:55,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:30:55,019 INFO L82 PathProgramCache]: Analyzing trace with hash 651545056, now seen corresponding path program 7 times [2021-06-14 05:30:55,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:30:55,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008443166] [2021-06-14 05:30:55,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:30:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 71 proven. 85 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-06-14 05:30:55,079 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:30:55,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008443166] [2021-06-14 05:30:55,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008443166] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:55,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492992414] [2021-06-14 05:30:55,081 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 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 [2021-06-14 05:30:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:55,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-14 05:30:55,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:30:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 34 proven. 30 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-06-14 05:30:55,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492992414] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:55,301 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:30:55,301 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 6 [2021-06-14 05:30:55,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027839136] [2021-06-14 05:30:55,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-14 05:30:55,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:30:55,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-14 05:30:55,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-14 05:30:55,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:55,303 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:30:55,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 05:30:55,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:55,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:55,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:55,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:55,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:30:55,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 05:30:55,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 05:30:55,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:30:55,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:55,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:55,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:55,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:55,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:55,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:30:55,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 05:30:55,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 05:30:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:30:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:30:55,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2021-06-14 05:30:55,563 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:30:55,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:30:55,563 INFO L82 PathProgramCache]: Analyzing trace with hash -822427048, now seen corresponding path program 8 times [2021-06-14 05:30:55,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:30:55,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848696613] [2021-06-14 05:30:55,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:30:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:30:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 8 proven. 97 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-06-14 05:30:56,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:30:56,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848696613] [2021-06-14 05:30:56,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848696613] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:56,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338386524] [2021-06-14 05:30:56,049 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:30:56,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 05:30:56,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:30:56,084 WARN L261 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-14 05:30:56,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:30:57,132 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-06-14 05:30:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:30:58,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338386524] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:30:58,273 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:30:58,273 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 27] total 38 [2021-06-14 05:30:58,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068847534] [2021-06-14 05:30:58,273 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-14 05:30:58,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:30:58,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-14 05:30:58,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1305, Unknown=0, NotChecked=0, Total=1482 [2021-06-14 05:30:58,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:58,274 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:30:58,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.0256410256410255) internal successors, (79), 38 states have internal predecessors, (79), 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) [2021-06-14 05:30:58,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:58,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:30:58,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:30:58,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:30:58,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:30:58,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 05:30:58,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 05:30:58,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:30:58,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:30:58,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:30:59,710 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2021-06-14 05:30:59,993 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2021-06-14 05:31:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:31:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:31:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:31:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:31:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:31:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-14 05:31:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-14 05:31:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:31:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:31:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:31:00,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:31:00,983 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 05:31:00,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 05:31:00,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1592250142, now seen corresponding path program 9 times [2021-06-14 05:31:00,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 05:31:00,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119310937] [2021-06-14 05:31:00,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 05:31:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 05:31:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 21 proven. 131 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-06-14 05:31:01,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 05:31:01,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119310937] [2021-06-14 05:31:01,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119310937] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:31:01,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48057701] [2021-06-14 05:31:01,490 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:31:01,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2021-06-14 05:31:01,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 05:31:01,540 WARN L261 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-14 05:31:01,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 05:31:02,778 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2021-06-14 05:31:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 05:31:04,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48057701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 05:31:04,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 05:31:04,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 32] total 43 [2021-06-14 05:31:04,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832355114] [2021-06-14 05:31:04,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-06-14 05:31:04,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 05:31:04,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-06-14 05:31:04,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1738, Unknown=0, NotChecked=0, Total=1892 [2021-06-14 05:31:04,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:31:04,584 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 05:31:04,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 2.0) internal successors, (88), 43 states have internal predecessors, (88), 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) [2021-06-14 05:31:04,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:31:04,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:31:04,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 05:31:04,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 05:31:04,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:31:04,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-14 05:31:04,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-14 05:31:04,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 05:31:04,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:31:04,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:31:04,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 05:31:05,760 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 56 [2021-06-14 05:31:05,964 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2021-06-14 05:31:06,174 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-06-14 05:31:07,068 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2021-06-14 05:31:07,222 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2021-06-14 05:31:07,383 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2021-06-14 05:31:07,735 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2021-06-14 05:31:07,920 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2021-06-14 05:31:08,283 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2021-06-14 05:31:08,442 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2021-06-14 05:31:08,623 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2021-06-14 05:31:08,793 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-06-14 05:31:08,964 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2021-06-14 05:31:09,160 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-06-14 05:31:09,359 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-06-14 05:31:09,535 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2021-06-14 05:31:09,705 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 81 [2021-06-14 05:31:09,914 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2021-06-14 05:31:10,123 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-14 05:31:10,293 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2021-06-14 05:31:10,477 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 83 [2021-06-14 05:31:10,672 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-06-14 05:31:10,838 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-06-14 05:31:11,182 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-14 05:31:11,364 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2021-06-14 05:31:11,538 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2021-06-14 05:31:11,717 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2021-06-14 05:31:12,012 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 88 [2021-06-14 05:31:12,225 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 89 [2021-06-14 05:31:13,299 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-06-14 05:31:14,144 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-14 05:31:14,306 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-14 05:31:14,504 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-06-14 05:31:14,677 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-14 05:31:15,118 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2021-06-14 05:31:15,521 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-06-14 05:31:15,670 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2021-06-14 05:31:17,031 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2021-06-14 05:31:17,814 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2021-06-14 05:31:18,261 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 59 [2021-06-14 05:31:20,901 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2021-06-14 05:31:21,686 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-06-14 05:31:22,447 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2021-06-14 05:31:22,614 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2021-06-14 05:31:24,648 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2021-06-14 05:31:25,013 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2021-06-14 05:31:30,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:31:30,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 05:31:30,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 05:31:30,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 05:31:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-14 05:31:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-14 05:31:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-06-14 05:31:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-14 05:31:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 05:31:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-14 05:31:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-14 05:31:30,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 05:31:30,596 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 05:31:30,597 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 05:31:30 BasicIcfg [2021-06-14 05:31:30,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 05:31:30,597 INFO L168 Benchmark]: Toolchain (without parser) took 53447.39 ms. Allocated memory was 192.9 MB in the beginning and 404.8 MB in the end (delta: 211.8 MB). Free memory was 172.7 MB in the beginning and 253.5 MB in the end (delta: -80.8 MB). Peak memory consumption was 132.1 MB. Max. memory is 8.0 GB. [2021-06-14 05:31:30,597 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 192.9 MB. Free memory is still 173.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 05:31:30,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.19 ms. Allocated memory is still 192.9 MB. Free memory was 172.6 MB in the beginning and 171.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 05:31:30,597 INFO L168 Benchmark]: Boogie Preprocessor took 12.47 ms. Allocated memory is still 192.9 MB. Free memory was 171.2 MB in the beginning and 170.3 MB in the end (delta: 898.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 05:31:30,598 INFO L168 Benchmark]: RCFGBuilder took 257.57 ms. Allocated memory is still 192.9 MB. Free memory was 170.2 MB in the beginning and 158.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-14 05:31:30,598 INFO L168 Benchmark]: TraceAbstraction took 53140.87 ms. Allocated memory was 192.9 MB in the beginning and 404.8 MB in the end (delta: 211.8 MB). Free memory was 157.8 MB in the beginning and 253.5 MB in the end (delta: -95.8 MB). Peak memory consumption was 117.4 MB. Max. memory is 8.0 GB. [2021-06-14 05:31:30,598 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 0.10 ms. Allocated memory is still 192.9 MB. Free memory is still 173.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.19 ms. Allocated memory is still 192.9 MB. Free memory was 172.6 MB in the beginning and 171.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.47 ms. Allocated memory is still 192.9 MB. Free memory was 171.2 MB in the beginning and 170.3 MB in the end (delta: 898.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 257.57 ms. Allocated memory is still 192.9 MB. Free memory was 170.2 MB in the beginning and 158.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 53140.87 ms. Allocated memory was 192.9 MB in the beginning and 404.8 MB in the end (delta: 211.8 MB). Free memory was 157.8 MB in the beginning and 253.5 MB in the end (delta: -95.8 MB). Peak memory consumption was 117.4 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: 3390, positive: 2511, positive conditional: 2511, positive unconditional: 0, negative: 879, negative conditional: 879, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2621, positive: 2511, positive conditional: 2511, positive unconditional: 0, negative: 110, negative conditional: 110, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2621, positive: 2329, positive conditional: 0, positive unconditional: 2329, negative: 292, negative conditional: 0, negative unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 33, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2621, positive: 2300, positive conditional: 0, positive unconditional: 2300, negative: 288, negative conditional: 0, negative unconditional: 288, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808, SemanticConditionEliminator.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1798, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 1616, negative conditional: 808, negative unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 161, positive: 27, positive conditional: 24, positive unconditional: 3, negative: 134, negative conditional: 130, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 365, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 311, negative conditional: 273, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1798, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 1486, negative conditional: 678, negative unconditional: 808, unknown: 154, unknown conditional: 154, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 53, Positive conditional cache size: 24, Positive unconditional cache size: 29, Negative cache size: 134, Negative conditional cache size: 130, Negative unconditional cache size: 4, Eliminated conditions: 808 ], Maximal queried relation: 11, Independence queries for same thread: 769 - 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: 53071.6ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 35909.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 483, 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: 62.0ms SsaConstructionTime, 352.0ms SatisfiabilityAnalysisTime, 14519.1ms InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 760 ConstructedInterpolants, 0 QuantifiedInterpolants, 31899 SizeOfPredicates, 41 NumberOfNonLiveVariables, 538 ConjunctsInSsa, 239 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 777/2339 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...