/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.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 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 02:12:31,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 02:12:31,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 02:12:31,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 02:12:31,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-10 02:12:31,242 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 02:12:31,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 02:12:31,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 02:12:31,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 02:12:31,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 02:12:31,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 02:12:31,246 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 02:12:31,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 02:12:31,246 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 02:12:31,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 02:12:31,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 02:12:31,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 02:12:31,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 02:12:31,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 02:12:31,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 02:12:31,248 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 02:12:31,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 02:12:31,248 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 02:12:31,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 02:12:31,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 02:12:31,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 02:12:31,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 02:12:31,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 02:12:31,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 02:12:31,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 02:12:31,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 02:12:31,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 02:12:31,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 02:12:31,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 02:12:31,251 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 02:12:31,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 02:12:31,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 02:12:31,251 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-10 02:12:31,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 02:12:31,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 02:12:31,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 02:12:31,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 02:12:31,629 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 02:12:31,630 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 02:12:31,631 INFO L432 ainManager$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 [2021-07-10 02:12:31,631 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' [2021-07-10 02:12:31,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 02:12:31,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 02:12:31,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 02:12:31,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 02:12:31,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 02:12:31,673 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 10.07 02:12:31" (1/1) ... [2021-07-10 02:12:31,680 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 10.07 02:12:31" (1/1) ... [2021-07-10 02:12:31,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 02:12:31,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 02:12:31,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 02:12:31,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 02:12:31,697 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 10.07 02:12:31" (1/1) ... [2021-07-10 02:12:31,697 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 10.07 02:12:31" (1/1) ... [2021-07-10 02:12:31,698 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 10.07 02:12:31" (1/1) ... [2021-07-10 02:12:31,698 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 10.07 02:12:31" (1/1) ... [2021-07-10 02:12:31,701 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 10.07 02:12:31" (1/1) ... [2021-07-10 02:12:31,704 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 10.07 02:12:31" (1/1) ... [2021-07-10 02:12:31,704 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 10.07 02:12:31" (1/1) ... [2021-07-10 02:12:31,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 02:12:31,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 02:12:31,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 02:12:31,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 02:12:31,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:12:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 02:12:31,779 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 02:12:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 02:12:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 02:12:31,779 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 02:12:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 02:12:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 02:12:31,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 02:12:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 02:12:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 02:12:31,781 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 02:12:31,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 02:12:31,933 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 02:12:31,934 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:12:31 BoogieIcfgContainer [2021-07-10 02:12:31,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 02:12:31,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 02:12:31,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 02:12:31,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 02:12:31,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:12:31" (1/2) ... [2021-07-10 02:12:31,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742e30e5 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:12:31, skipping insertion in model container [2021-07-10 02:12:31,940 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 10.07 02:12:31" (2/2) ... [2021-07-10 02:12:31,941 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-07-10 02:12:31,945 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 02:12:31,946 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 02:12:31,946 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 02:12:31,947 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 02:12:32,000 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 02:12:32,021 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 02:12:32,074 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 02:12:32,075 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 02:12:32,075 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 02:12:32,075 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 02:12:32,075 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 02:12:32,075 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 02:12:32,075 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 02:12:32,075 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 02:12:32,147 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:12:32,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:12:32,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1570744102, now seen corresponding path program 1 times [2021-07-10 02:12:32,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:12:32,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119471370] [2021-07-10 02:12:32,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:12:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:12:32,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 02:12:32,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:12:32,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119471370] [2021-07-10 02:12:32,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119471370] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 02:12:32,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 02:12:32,329 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 02:12:32,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610399274] [2021-07-10 02:12:32,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 02:12:32,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:12:32,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 02:12:32,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 02:12:32,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:32,367 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:12:32,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:12:32,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:32,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:32,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 02:12:32,425 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:12:32,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:12:32,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1824707030, now seen corresponding path program 2 times [2021-07-10 02:12:32,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:12:32,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500081191] [2021-07-10 02:12:32,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:12:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:12:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 02:12:32,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:12:32,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500081191] [2021-07-10 02:12:32,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500081191] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 02:12:32,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 02:12:32,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 02:12:32,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442593423] [2021-07-10 02:12:32,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 02:12:32,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:12:32,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 02:12:32,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-10 02:12:32,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:32,499 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:12:32,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:12:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:32,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:32,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:32,538 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 02:12:32,539 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:12:32,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:12:32,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1678125528, now seen corresponding path program 3 times [2021-07-10 02:12:32,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:12:32,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010612835] [2021-07-10 02:12:32,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:12:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:12:32,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:12:32,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:12:32,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010612835] [2021-07-10 02:12:32,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010612835] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:12:32,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304910420] [2021-07-10 02:12:32,841 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 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 [2021-07-10 02:12:32,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 02:12:32,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:12:32,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 02:12:32,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:12:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:12:33,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304910420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:12:33,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:12:33,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-10 02:12:33,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106787725] [2021-07-10 02:12:33,291 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 02:12:33,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:12:33,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 02:12:33,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-07-10 02:12:33,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:33,298 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:12:33,299 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) [2021-07-10 02:12:33,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:33,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:33,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:33,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:33,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:33,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 02:12:33,729 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:12:33,729 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:12:33,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:12:33,730 INFO L82 PathProgramCache]: Analyzing trace with hash 722149666, now seen corresponding path program 4 times [2021-07-10 02:12:33,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:12:33,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082370538] [2021-07-10 02:12:33,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:12:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:12:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 02:12:34,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:12:34,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082370538] [2021-07-10 02:12:34,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082370538] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:12:34,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418326178] [2021-07-10 02:12:34,179 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:12:34,216 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 02:12:34,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:12:34,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 02:12:34,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:12:34,914 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-07-10 02:12:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:12:35,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418326178] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:12:35,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:12:35,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-07-10 02:12:35,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437037794] [2021-07-10 02:12:35,109 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 02:12:35,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:12:35,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 02:12:35,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2021-07-10 02:12:35,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:35,110 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:12:35,110 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) [2021-07-10 02:12:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 02:12:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:35,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 02:12:35,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 02:12:35,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:12:35,621 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:12:35,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:12:35,621 INFO L82 PathProgramCache]: Analyzing trace with hash 2137418910, now seen corresponding path program 5 times [2021-07-10 02:12:35,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:12:35,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218085678] [2021-07-10 02:12:35,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:12:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:12:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 02:12:35,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:12:35,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218085678] [2021-07-10 02:12:35,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218085678] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:12:35,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450646258] [2021-07-10 02:12:35,998 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:12:36,037 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-10 02:12:36,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:12:36,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 02:12:36,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:12:36,872 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-07-10 02:12:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:12:37,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450646258] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:12:37,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:12:37,279 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2021-07-10 02:12:37,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712666747] [2021-07-10 02:12:37,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 02:12:37,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:12:37,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 02:12:37,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2021-07-10 02:12:37,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:37,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:12:37,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.037037037037037) internal successors, (55), 26 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:12:37,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:37,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:37,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 02:12:37,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 02:12:37,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:37,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:37,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:37,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 02:12:37,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 02:12:37,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 02:12:38,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:12:38,161 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:12:38,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:12:38,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1357226266, now seen corresponding path program 6 times [2021-07-10 02:12:38,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:12:38,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526041427] [2021-07-10 02:12:38,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:12:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:12:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-07-10 02:12:38,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:12:38,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526041427] [2021-07-10 02:12:38,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526041427] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:12:38,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82232960] [2021-07-10 02:12:38,598 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:12:38,631 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-10 02:12:38,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:12:38,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 02:12:38,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:12:39,428 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2021-07-10 02:12:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:12:40,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82232960] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:12:40,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:12:40,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21] total 33 [2021-07-10 02:12:40,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315885823] [2021-07-10 02:12:40,275 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 02:12:40,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:12:40,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 02:12:40,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=987, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 02:12:40,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:40,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:12:40,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.911764705882353) internal successors, (65), 33 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:12:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 02:12:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 02:12:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 02:12:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:41,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 02:12:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 02:12:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 02:12:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:12:42,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-10 02:12:42,157 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:12:42,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:12:42,158 INFO L82 PathProgramCache]: Analyzing trace with hash 505659974, now seen corresponding path program 7 times [2021-07-10 02:12:42,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:12:42,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171305740] [2021-07-10 02:12:42,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:12:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:12:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-07-10 02:12:42,180 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:12:42,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171305740] [2021-07-10 02:12:42,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171305740] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 02:12:42,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 02:12:42,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 02:12:42,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280444461] [2021-07-10 02:12:42,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 02:12:42,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:12:42,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 02:12:42,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 02:12:42,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:42,184 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:12:42,184 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 02:12:42,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:42,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:42,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 02:12:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 02:12:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 02:12:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:12:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:42,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 02:12:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 02:12:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 02:12:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:12:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:42,214 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-07-10 02:12:42,214 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 02:12:42,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:12:42,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1114838618, now seen corresponding path program 8 times [2021-07-10 02:12:42,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:12:42,215 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824750489] [2021-07-10 02:12:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:12:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 02:12:42,734 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-10 02:12:42,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 02:12:42,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824750489] [2021-07-10 02:12:42,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824750489] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:12:42,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558183361] [2021-07-10 02:12:42,735 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 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 [2021-07-10 02:12:42,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 02:12:42,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 02:12:42,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 02:12:42,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 02:12:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 02:12:44,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558183361] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 02:12:44,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 02:12:44,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22] total 33 [2021-07-10 02:12:44,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668760943] [2021-07-10 02:12:44,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 02:12:44,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 02:12:44,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 02:12:44,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1001, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 02:12:44,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:44,591 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 02:12:44,591 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.0588235294117645) internal successors, (70), 33 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) [2021-07-10 02:12:44,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:44,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:44,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 02:12:44,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 02:12:44,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 02:12:44,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 02:12:44,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:44,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 02:12:47,753 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-07-10 02:12:48,058 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 55 [2021-07-10 02:12:49,040 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2021-07-10 02:12:49,386 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-07-10 02:12:49,541 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2021-07-10 02:12:51,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:51,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 02:12:51,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 02:12:51,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 02:12:51,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 02:12:51,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 02:12:51,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 02:12:51,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-10 02:12:51,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 02:12:51,268 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 02:12:51,269 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:12:51 BasicIcfg [2021-07-10 02:12:51,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 02:12:51,270 INFO L168 Benchmark]: Toolchain (without parser) took 19609.47 ms. Allocated memory was 209.7 MB in the beginning and 436.2 MB in the end (delta: 226.5 MB). Free memory was 190.4 MB in the beginning and 226.9 MB in the end (delta: -36.5 MB). Peak memory consumption was 190.9 MB. Max. memory is 8.0 GB. [2021-07-10 02:12:51,270 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 209.7 MB. Free memory is still 191.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 02:12:51,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.13 ms. Allocated memory is still 209.7 MB. Free memory was 190.3 MB in the beginning and 188.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 02:12:51,270 INFO L168 Benchmark]: Boogie Preprocessor took 16.61 ms. Allocated memory is still 209.7 MB. Free memory was 188.9 MB in the beginning and 188.0 MB in the end (delta: 939.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 02:12:51,270 INFO L168 Benchmark]: RCFGBuilder took 226.64 ms. Allocated memory is still 209.7 MB. Free memory was 188.0 MB in the beginning and 176.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-10 02:12:51,271 INFO L168 Benchmark]: TraceAbstraction took 19333.61 ms. Allocated memory was 209.7 MB in the beginning and 436.2 MB in the end (delta: 226.5 MB). Free memory was 175.6 MB in the beginning and 226.9 MB in the end (delta: -51.3 MB). Peak memory consumption was 176.3 MB. Max. memory is 8.0 GB. [2021-07-10 02:12:51,271 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 0.14 ms. Allocated memory is still 209.7 MB. Free memory is still 191.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.13 ms. Allocated memory is still 209.7 MB. Free memory was 190.3 MB in the beginning and 188.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.61 ms. Allocated memory is still 209.7 MB. Free memory was 188.9 MB in the beginning and 188.0 MB in the end (delta: 939.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 226.64 ms. Allocated memory is still 209.7 MB. Free memory was 188.0 MB in the beginning and 176.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19333.61 ms. Allocated memory was 209.7 MB in the beginning and 436.2 MB in the end (delta: 226.5 MB). Free memory was 175.6 MB in the beginning and 226.9 MB in the end (delta: -51.3 MB). Peak memory consumption was 176.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1351, positive: 965, positive conditional: 965, positive unconditional: 0, negative: 386, negative conditional: 386, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1033, positive: 965, positive conditional: 965, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1033, positive: 893, positive conditional: 0, positive unconditional: 893, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 26, positive conditional: 23, positive unconditional: 4, negative: 186, negative conditional: 148, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1033, positive: 869, positive conditional: 0, positive unconditional: 869, negative: 137, negative conditional: 0, negative unconditional: 137, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 26, positive conditional: 23, positive unconditional: 4, negative: 186, negative conditional: 148, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 26, positive conditional: 23, positive unconditional: 4, negative: 186, negative conditional: 148, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 26, positive conditional: 23, positive unconditional: 4, negative: 186, negative conditional: 148, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 26, positive conditional: 23, positive unconditional: 4, negative: 186, negative conditional: 148, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 26, positive conditional: 23, positive unconditional: 4, negative: 186, negative conditional: 148, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 26, positive conditional: 23, positive unconditional: 4, negative: 186, negative conditional: 148, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 26, positive conditional: 23, positive unconditional: 4, negative: 186, negative conditional: 148, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 26, positive conditional: 23, positive unconditional: 4, negative: 186, negative conditional: 148, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338 ], Maximal queried relation: 8, Independence queries for same thread: 318 - 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: 19232.2ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.0ms, PartialOrderReductionTime: 9498.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 183, 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: 45.8ms SsaConstructionTime, 227.5ms SatisfiabilityAnalysisTime, 8002.0ms InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 12357 SizeOfPredicates, 25 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 222/723 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...