/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/counter-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 03:56:11,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 03:56:11,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 03:56:11,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 03:56:11,987 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 [2021-07-14 03:56:12,033 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 03:56:12,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 03:56:12,034 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 03:56:12,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 03:56:12,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 03:56:12,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 03:56:12,036 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 03:56:12,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 03:56:12,037 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 03:56:12,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 03:56:12,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 03:56:12,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 03:56:12,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 03:56:12,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 03:56:12,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 03:56:12,038 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 03:56:12,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 03:56:12,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 03:56:12,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 03:56:12,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 03:56:12,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 03:56:12,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 03:56:12,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 03:56:12,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:56:12,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 03:56:12,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 03:56:12,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 03:56:12,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 03:56:12,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 03:56:12,040 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 03:56:12,041 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 03:56:12,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 03:56:12,041 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 03:56:12,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 03:56:12,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 03:56:12,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 03:56:12,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 03:56:12,345 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 03:56:12,346 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 03:56:12,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl [2021-07-14 03:56:12,347 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-fun.wvr.bpl' [2021-07-14 03:56:12,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 03:56:12,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 03:56:12,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 03:56:12,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 03:56:12,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 03:56:12,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/1) ... [2021-07-14 03:56:12,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/1) ... [2021-07-14 03:56:12,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 03:56:12,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 03:56:12,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 03:56:12,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 03:56:12,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/1) ... [2021-07-14 03:56:12,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/1) ... [2021-07-14 03:56:12,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/1) ... [2021-07-14 03:56:12,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/1) ... [2021-07-14 03:56:12,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/1) ... [2021-07-14 03:56:12,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/1) ... [2021-07-14 03:56:12,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/1) ... [2021-07-14 03:56:12,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 03:56:12,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 03:56:12,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 03:56:12,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 03:56:12,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:56:12,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 03:56:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 03:56:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 03:56:12,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 03:56:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 03:56:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 03:56:12,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 03:56:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 03:56:12,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 03:56:12,491 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 03:56:12,658 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 03:56:12,659 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 03:56:12,660 INFO L202 PluginConnector]: Adding new model counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:56:12 BoogieIcfgContainer [2021-07-14 03:56:12,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 03:56:12,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 03:56:12,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 03:56:12,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 03:56:12,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:56:12" (1/2) ... [2021-07-14 03:56:12,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a1b531 and model type counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:56:12, skipping insertion in model container [2021-07-14 03:56:12,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:56:12" (2/2) ... [2021-07-14 03:56:12,666 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-fun.wvr.bpl [2021-07-14 03:56:12,670 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 03:56:12,671 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 03:56:12,671 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 03:56:12,671 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 03:56:12,712 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 03:56:12,731 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 03:56:12,798 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 03:56:12,799 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 03:56:12,799 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 03:56:12,799 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 03:56:12,799 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 03:56:12,799 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 03:56:12,799 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 03:56:12,800 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 03:56:12,899 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:56:12,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:56:12,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1649576776, now seen corresponding path program 1 times [2021-07-14 03:56:12,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:56:12,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761169744] [2021-07-14 03:56:12,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:56:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:13,045 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:56:13,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761169744] [2021-07-14 03:56:13,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761169744] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:56:13,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:56:13,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 03:56:13,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391168414] [2021-07-14 03:56:13,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 03:56:13,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:56:13,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 03:56:13,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 03:56:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:13,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:56:13,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:56:13,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:13,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 03:56:13,111 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:56:13,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:56:13,113 INFO L82 PathProgramCache]: Analyzing trace with hash -533032646, now seen corresponding path program 1 times [2021-07-14 03:56:13,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:56:13,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685855158] [2021-07-14 03:56:13,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:56:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:13,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:56:13,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685855158] [2021-07-14 03:56:13,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685855158] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:13,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752029851] [2021-07-14 03:56:13,245 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 [2021-07-14 03:56:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:13,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 03:56:13,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:56:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:13,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752029851] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:13,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:56:13,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-07-14 03:56:13,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769749084] [2021-07-14 03:56:13,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 03:56:13,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:56:13,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 03:56:13,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-14 03:56:13,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:13,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:56:13,439 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:56:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:13,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:13,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:13,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:13,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:56:13,813 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:56:13,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:56:13,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1564191994, now seen corresponding path program 1 times [2021-07-14 03:56:13,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:56:13,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562501548] [2021-07-14 03:56:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:56:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:13,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:56:13,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562501548] [2021-07-14 03:56:13,899 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562501548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:13,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786815265] [2021-07-14 03:56:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-14 03:56:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:13,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 03:56:13,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:56:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:14,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786815265] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:14,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:56:14,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-07-14 03:56:14,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509221065] [2021-07-14 03:56:14,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 03:56:14,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:56:14,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 03:56:14,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-07-14 03:56:14,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:14,114 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:56:14,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:56:14,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:14,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:14,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:14,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:56:14,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:56:14,525 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:56:14,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:56:14,525 INFO L82 PathProgramCache]: Analyzing trace with hash 2131748032, now seen corresponding path program 2 times [2021-07-14 03:56:14,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:56:14,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194566650] [2021-07-14 03:56:14,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:56:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:14,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:56:14,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194566650] [2021-07-14 03:56:14,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194566650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:14,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115849569] [2021-07-14 03:56:14,610 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 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 [2021-07-14 03:56:14,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:56:14,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:56:14,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 03:56:14,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:56:14,722 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:56:14,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-07-14 03:56:14,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:56:14,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:56:14,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:56:14,736 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2021-07-14 03:56:14,933 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-14 03:56:14,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 18 [2021-07-14 03:56:14,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:56:14,943 INFO L628 ElimStorePlain]: treesize reduction 21, result has 12.5 percent of original size [2021-07-14 03:56:14,943 INFO L518 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2021-07-14 03:56:14,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:56:14,944 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:3 [2021-07-14 03:56:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:14,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115849569] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:14,955 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:56:14,955 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2021-07-14 03:56:14,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779490533] [2021-07-14 03:56:14,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 03:56:14,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:56:14,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 03:56:14,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 03:56:14,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:14,956 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:56:14,956 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:56:14,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:14,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:14,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 03:56:14,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:15,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:15,283 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:56:15,283 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:56:15,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:56:15,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1620989180, now seen corresponding path program 3 times [2021-07-14 03:56:15,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:56:15,284 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657223037] [2021-07-14 03:56:15,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:56:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:15,417 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 03:56:15,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:56:15,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657223037] [2021-07-14 03:56:15,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657223037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:15,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965355805] [2021-07-14 03:56:15,418 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 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 [2021-07-14 03:56:15,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 03:56:15,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:56:15,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 03:56:15,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:56:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:15,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965355805] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:15,736 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:56:15,736 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2021-07-14 03:56:15,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047268009] [2021-07-14 03:56:15,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 03:56:15,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:56:15,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 03:56:15,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2021-07-14 03:56:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:15,743 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:56:15,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.3636363636363638) internal successors, (52), 21 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:56:15,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:15,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:15,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:15,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:15,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:16,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:16,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:16,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:16,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:16,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:56:16,403 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-14 03:56:16,404 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:56:16,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:56:16,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1904902708, now seen corresponding path program 4 times [2021-07-14 03:56:16,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:56:16,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086986992] [2021-07-14 03:56:16,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:56:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:16,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:56:16,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086986992] [2021-07-14 03:56:16,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086986992] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:16,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728007636] [2021-07-14 03:56:16,494 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 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 [2021-07-14 03:56:16,528 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:56:16,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:56:16,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-14 03:56:16,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:56:16,686 INFO L354 Elim1Store]: treesize reduction 32, result has 60.5 percent of original size [2021-07-14 03:56:16,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 89 treesize of output 89 [2021-07-14 03:56:16,698 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:56:16,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:56:16,726 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:56:16,726 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:162 [2021-07-14 03:56:16,966 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-07-14 03:56:17,447 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2021-07-14 03:56:18,107 INFO L354 Elim1Store]: treesize reduction 69, result has 14.8 percent of original size [2021-07-14 03:56:18,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 98 treesize of output 53 [2021-07-14 03:56:18,111 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:56:18,196 INFO L628 ElimStorePlain]: treesize reduction 160, result has 59.6 percent of original size [2021-07-14 03:56:18,218 INFO L354 Elim1Store]: treesize reduction 74, result has 8.6 percent of original size [2021-07-14 03:56:18,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 35 [2021-07-14 03:56:18,220 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:56:18,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:56:18,278 INFO L354 Elim1Store]: treesize reduction 71, result has 12.3 percent of original size [2021-07-14 03:56:18,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 34 [2021-07-14 03:56:18,282 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 03:56:18,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:56:18,357 INFO L354 Elim1Store]: treesize reduction 40, result has 50.6 percent of original size [2021-07-14 03:56:18,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 75 [2021-07-14 03:56:18,370 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 03:56:18,380 INFO L628 ElimStorePlain]: treesize reduction 76, result has 3.8 percent of original size [2021-07-14 03:56:18,380 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-07-14 03:56:18,381 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:56:18,381 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:486, output treesize:3 [2021-07-14 03:56:18,391 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:18,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728007636] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:18,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:56:18,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 17 [2021-07-14 03:56:18,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976608904] [2021-07-14 03:56:18,393 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 03:56:18,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:56:18,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 03:56:18,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-07-14 03:56:18,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:18,394 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:56:18,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 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) [2021-07-14 03:56:18,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:18,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:18,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:18,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:18,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:56:18,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:18,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:18,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:18,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:18,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:18,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:56:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:18,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:56:18,729 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:56:18,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:56:18,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1103283086, now seen corresponding path program 5 times [2021-07-14 03:56:18,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:56:18,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626726154] [2021-07-14 03:56:18,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:56:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 47 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 03:56:18,946 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:56:18,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626726154] [2021-07-14 03:56:18,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626726154] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:18,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133765753] [2021-07-14 03:56:18,946 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 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 [2021-07-14 03:56:18,994 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-14 03:56:18,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:56:18,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 03:56:18,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:56:19,351 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 36 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:19,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133765753] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:19,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:56:19,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-07-14 03:56:19,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848810552] [2021-07-14 03:56:19,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 03:56:19,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:56:19,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 03:56:19,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=813, Unknown=0, NotChecked=0, Total=992 [2021-07-14 03:56:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:19,354 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:56:19,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.25) internal successors, (72), 31 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:56:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:56:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:56:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:20,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:56:20,206 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 03:56:20,207 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:56:20,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:56:20,207 INFO L82 PathProgramCache]: Analyzing trace with hash 363791576, now seen corresponding path program 6 times [2021-07-14 03:56:20,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:56:20,207 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9783320] [2021-07-14 03:56:20,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:56:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:20,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:56:20,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9783320] [2021-07-14 03:56:20,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9783320] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:20,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861397721] [2021-07-14 03:56:20,340 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 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 [2021-07-14 03:56:20,382 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-14 03:56:20,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:56:20,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 61 conjunts are in the unsatisfiable core [2021-07-14 03:56:20,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:56:21,006 INFO L446 ElimStorePlain]: Different costs {36=[f], 105=[f_inv]} [2021-07-14 03:56:21,152 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 83 [2021-07-14 03:56:21,153 INFO L354 Elim1Store]: treesize reduction 160, result has 44.6 percent of original size [2021-07-14 03:56:21,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 271 treesize of output 245 [2021-07-14 03:56:43,814 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 03:56:43,916 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-07-14 03:56:43,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:56:44,058 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 03:56:44,059 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:56:44,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 695 treesize of output 380 [2021-07-14 03:56:44,624 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 03:56:44,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:56:44,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:56:44,626 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:271, output treesize:3 [2021-07-14 03:56:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:44,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861397721] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:44,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:56:44,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 18] total 26 [2021-07-14 03:56:44,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087316849] [2021-07-14 03:56:44,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 03:56:44,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:56:44,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 03:56:44,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2021-07-14 03:56:44,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:44,639 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:56:44,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.0384615384615383) internal successors, (79), 26 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) [2021-07-14 03:56:44,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:44,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:44,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:44,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:44,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:56:44,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:44,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:56:44,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:56:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:56:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:56:44,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 03:56:44,964 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:56:44,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:56:44,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1195668634, now seen corresponding path program 7 times [2021-07-14 03:56:44,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:56:44,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816343792] [2021-07-14 03:56:44,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:56:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 98 proven. 85 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 03:56:45,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:56:45,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816343792] [2021-07-14 03:56:45,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816343792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:45,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447753701] [2021-07-14 03:56:45,243 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 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 [2021-07-14 03:56:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:45,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 03:56:45,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:56:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 81 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:45,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447753701] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:45,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:56:45,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 43 [2021-07-14 03:56:45,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684300465] [2021-07-14 03:56:45,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-14 03:56:45,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:56:45,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-14 03:56:45,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1569, Unknown=0, NotChecked=0, Total=1892 [2021-07-14 03:56:45,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:45,822 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:56:45,823 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 2.1818181818181817) internal successors, (96), 43 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:56:45,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:45,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:45,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:45,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:45,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:56:45,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:45,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:56:45,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:56:45,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:56:46,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:56:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 03:56:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:56:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 03:56:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 03:56:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 03:56:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 03:56:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 03:56:47,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5858,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:56:47,063 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:56:47,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:56:47,063 INFO L82 PathProgramCache]: Analyzing trace with hash -638617116, now seen corresponding path program 8 times [2021-07-14 03:56:47,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:56:47,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295945210] [2021-07-14 03:56:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:56:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:56:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:56:47,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:56:47,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295945210] [2021-07-14 03:56:47,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295945210] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:56:47,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431562855] [2021-07-14 03:56:47,253 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 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 [2021-07-14 03:56:47,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:56:47,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:56:47,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 03:56:47,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:56:47,925 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 143 [2021-07-14 03:56:47,926 INFO L354 Elim1Store]: treesize reduction 200, result has 54.6 percent of original size [2021-07-14 03:56:47,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 323 treesize of output 329 [2021-07-14 03:56:47,940 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:56:48,117 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-07-14 03:56:48,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:56:48,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:56:48,120 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:323, output treesize:1586 [2021-07-14 03:56:48,338 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 116 Received shutdown request... [2021-07-14 04:10:12,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5859,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:10:12,912 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-14 04:10:12,917 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 04:10:12,919 WARN L196 ceAbstractionStarter]: Timeout [2021-07-14 04:10:12,919 INFO L202 PluginConnector]: Adding new model counter-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 04:10:12 BasicIcfg [2021-07-14 04:10:12,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 04:10:12,919 INFO L168 Benchmark]: Toolchain (without parser) took 840540.08 ms. Allocated memory was 211.8 MB in the beginning and 766.5 MB in the end (delta: 554.7 MB). Free memory was 191.6 MB in the beginning and 363.3 MB in the end (delta: -171.6 MB). Peak memory consumption was 491.2 MB. Max. memory is 8.0 GB. [2021-07-14 04:10:12,920 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 211.8 MB. Free memory is still 192.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 04:10:12,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.71 ms. Allocated memory is still 211.8 MB. Free memory was 191.6 MB in the beginning and 190.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 04:10:12,920 INFO L168 Benchmark]: Boogie Preprocessor took 12.11 ms. Allocated memory is still 211.8 MB. Free memory was 190.2 MB in the beginning and 189.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 04:10:12,920 INFO L168 Benchmark]: RCFGBuilder took 239.11 ms. Allocated memory is still 211.8 MB. Free memory was 189.2 MB in the beginning and 176.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 04:10:12,920 INFO L168 Benchmark]: TraceAbstraction took 840257.25 ms. Allocated memory was 211.8 MB in the beginning and 766.5 MB in the end (delta: 554.7 MB). Free memory was 176.1 MB in the beginning and 363.3 MB in the end (delta: -187.1 MB). Peak memory consumption was 475.5 MB. Max. memory is 8.0 GB. [2021-07-14 04:10:12,920 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 0.15 ms. Allocated memory is still 211.8 MB. Free memory is still 192.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.71 ms. Allocated memory is still 211.8 MB. Free memory was 191.6 MB in the beginning and 190.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.11 ms. Allocated memory is still 211.8 MB. Free memory was 190.2 MB in the beginning and 189.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 239.11 ms. Allocated memory is still 211.8 MB. Free memory was 189.2 MB in the beginning and 176.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 840257.25 ms. Allocated memory was 211.8 MB in the beginning and 766.5 MB in the end (delta: 554.7 MB). Free memory was 176.1 MB in the beginning and 363.3 MB in the end (delta: -187.1 MB). Peak memory consumption was 475.5 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: 829, positive: 569, positive conditional: 569, positive unconditional: 0, negative: 260, negative conditional: 260, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 575, positive: 569, positive conditional: 569, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 575, positive: 569, positive conditional: 0, positive unconditional: 569, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 575, positive: 554, positive conditional: 0, positive unconditional: 554, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 5, Negative conditional cache size: 4, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 5, Negative conditional cache size: 4, Negative unconditional cache size: 1, Eliminated conditions: 11, SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 5, Negative conditional cache size: 4, Negative unconditional cache size: 1, Eliminated conditions: 11, SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 5, Negative conditional cache size: 4, Negative unconditional cache size: 1, Eliminated conditions: 11, SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 5, Negative conditional cache size: 4, Negative unconditional cache size: 1, Eliminated conditions: 11, SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 5, Negative conditional cache size: 4, Negative unconditional cache size: 1, Eliminated conditions: 11, SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 5, Negative conditional cache size: 4, Negative unconditional cache size: 1, Eliminated conditions: 11, SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 5, Negative conditional cache size: 4, Negative unconditional cache size: 1, Eliminated conditions: 11, SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 5, Negative conditional cache size: 4, Negative unconditional cache size: 1, Eliminated conditions: 11, SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 10, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 6, negative unconditional: 11, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 5, Negative conditional cache size: 4, Negative unconditional cache size: 1, Eliminated conditions: 11 ], Maximal queried relation: 8, Independence queries for same thread: 254 - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 59 with TraceHistMax 11,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 31 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 840160.1ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.0ms, PartialOrderReductionTime: 2912.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 124, 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: 59.6ms SsaConstructionTime, 250.8ms SatisfiabilityAnalysisTime, 28957.9ms InterpolantComputationTime, 534 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 517 ConstructedInterpolants, 10 QuantifiedInterpolants, 12196 SizeOfPredicates, 26 NumberOfNonLiveVariables, 742 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 293/1000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown