/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 00:02:56,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 00:02:56,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 00:02:56,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 00:02:56,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-06-14 00:02:56,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 00:02:56,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 00:02:56,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 00:02:56,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 00:02:56,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 00:02:56,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 00:02:56,229 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 00:02:56,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 00:02:56,230 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 00:02:56,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 00:02:56,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 00:02:56,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 00:02:56,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 00:02:56,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 00:02:56,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 00:02:56,232 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 00:02:56,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 00:02:56,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 00:02:56,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 00:02:56,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 00:02:56,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 00:02:56,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 00:02:56,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 00:02:56,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 00:02:56,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 00:02:56,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 00:02:56,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 00:02:56,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 00:02:56,234 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-14 00:02:56,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 00:02:56,234 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 00:02:56,235 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 00:02:56,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 00:02:56,235 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 00:02:56,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 00:02:56,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 00:02:56,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 00:02:56,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 00:02:56,888 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 00:02:56,889 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 00:02:56,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl [2021-06-14 00:02:56,890 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl' [2021-06-14 00:02:56,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 00:02:56,960 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 00:02:56,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 00:02:56,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 00:02:56,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 00:02:56,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/1) ... [2021-06-14 00:02:56,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/1) ... [2021-06-14 00:02:57,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 00:02:57,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 00:02:57,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 00:02:57,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 00:02:57,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/1) ... [2021-06-14 00:02:57,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/1) ... [2021-06-14 00:02:57,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/1) ... [2021-06-14 00:02:57,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/1) ... [2021-06-14 00:02:57,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/1) ... [2021-06-14 00:02:57,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/1) ... [2021-06-14 00:02:57,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/1) ... [2021-06-14 00:02:57,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 00:02:57,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 00:02:57,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 00:02:57,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 00:02:57,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 00:02:57,173 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 00:02:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 00:02:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 00:02:57,173 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 00:02:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 00:02:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 00:02:57,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 00:02:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 00:02:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 00:02:57,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 00:02:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 00:02:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 00:02:57,175 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 00:02:57,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 00:02:57,345 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 00:02:57,347 INFO L202 PluginConnector]: Adding new model vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 12:02:57 BoogieIcfgContainer [2021-06-14 00:02:57,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 00:02:57,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 00:02:57,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 00:02:57,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 00:02:57,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 12:02:56" (1/2) ... [2021-06-14 00:02:57,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4a89ec and model type vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 12:02:57, skipping insertion in model container [2021-06-14 00:02:57,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 12:02:57" (2/2) ... [2021-06-14 00:02:57,353 INFO L111 eAbstractionObserver]: Analyzing ICFG vector-add.wvr.bpl [2021-06-14 00:02:57,358 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 00:02:57,358 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 00:02:57,358 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 00:02:57,359 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 00:02:57,391 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-14 00:02:57,410 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 00:02:57,533 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 00:02:57,533 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 00:02:57,533 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 00:02:57,533 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 00:02:57,534 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 00:02:57,534 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 00:02:57,534 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 00:02:57,534 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 00:02:57,648 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 00:02:57,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 00:02:57,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1275384532, now seen corresponding path program 1 times [2021-06-14 00:02:57,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 00:02:57,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934249912] [2021-06-14 00:02:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 00:02:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 00:02:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 00:02:57,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 00:02:57,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934249912] [2021-06-14 00:02:57,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934249912] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:02:57,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297527306] [2021-06-14 00:02:57,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:02:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 00:02:58,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-14 00:02:58,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 00:02:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-14 00:02:58,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297527306] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:02:58,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 00:02:58,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-14 00:02:58,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430418845] [2021-06-14 00:02:58,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-14 00:02:58,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 00:02:58,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-14 00:02:58,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-14 00:02:58,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:02:58,285 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 00:02:58,287 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 00:02:58,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:02:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 00:02:58,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-14 00:02:58,705 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 00:02:58,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 00:02:58,706 INFO L82 PathProgramCache]: Analyzing trace with hash -521057200, now seen corresponding path program 2 times [2021-06-14 00:02:58,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 00:02:58,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371221653] [2021-06-14 00:02:58,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 00:02:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 00:02:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 00:02:58,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 00:02:58,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371221653] [2021-06-14 00:02:58,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371221653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:02:58,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294094101] [2021-06-14 00:02:58,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:02:58,876 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 00:02:58,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 00:02:58,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-14 00:02:58,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 00:02:58,990 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-14 00:02:58,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294094101] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:02:58,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 00:02:58,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-06-14 00:02:58,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841185733] [2021-06-14 00:02:58,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-14 00:02:58,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 00:02:58,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-14 00:02:58,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-06-14 00:02:58,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:02:58,993 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 00:02:58,993 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 00:02:58,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 00:02:58,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:02:59,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-14 00:02:59,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 00:02:59,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:02:59,480 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 00:02:59,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 00:02:59,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1536022338, now seen corresponding path program 3 times [2021-06-14 00:02:59,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 00:02:59,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975407014] [2021-06-14 00:02:59,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 00:02:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 00:02:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 00:02:59,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 00:02:59,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975407014] [2021-06-14 00:02:59,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975407014] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:02:59,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150515666] [2021-06-14 00:02:59,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:02:59,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 00:02:59,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 00:02:59,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-14 00:02:59,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 00:02:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-14 00:02:59,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150515666] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:02:59,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 00:02:59,948 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-06-14 00:02:59,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924876735] [2021-06-14 00:02:59,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-14 00:02:59,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 00:02:59,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-14 00:02:59,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-06-14 00:02:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:02:59,951 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 00:02:59,951 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 19 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 00:02:59,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-14 00:02:59,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 00:02:59,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:03:00,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 00:03:00,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 00:03:00,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 00:03:00,771 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:03:00,771 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 00:03:00,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 00:03:00,772 INFO L82 PathProgramCache]: Analyzing trace with hash 722369476, now seen corresponding path program 4 times [2021-06-14 00:03:00,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 00:03:00,772 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56197951] [2021-06-14 00:03:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 00:03:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 00:03:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 00:03:00,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 00:03:00,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56197951] [2021-06-14 00:03:00,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56197951] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:03:00,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473706013] [2021-06-14 00:03:00,907 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:03:00,959 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 00:03:00,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 00:03:00,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-14 00:03:00,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 00:03:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-14 00:03:01,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473706013] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:03:01,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 00:03:01,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 21 [2021-06-14 00:03:01,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351944735] [2021-06-14 00:03:01,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 00:03:01,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 00:03:01,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 00:03:01,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-06-14 00:03:01,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:03:01,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 00:03:01,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 00:03:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 00:03:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 00:03:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 00:03:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:03:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 00:03:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 00:03:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 00:03:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 00:03:01,844 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:03:01,845 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 00:03:01,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 00:03:01,845 INFO L82 PathProgramCache]: Analyzing trace with hash -674214176, now seen corresponding path program 5 times [2021-06-14 00:03:01,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 00:03:01,846 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569243595] [2021-06-14 00:03:01,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 00:03:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 00:03:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-14 00:03:02,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 00:03:02,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569243595] [2021-06-14 00:03:02,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569243595] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:03:02,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203709245] [2021-06-14 00:03:02,000 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:03:02,050 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-14 00:03:02,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 00:03:02,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 00:03:02,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 00:03:02,306 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-14 00:03:02,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203709245] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:03:02,306 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 00:03:02,306 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 21 [2021-06-14 00:03:02,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902891985] [2021-06-14 00:03:02,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 00:03:02,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 00:03:02,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 00:03:02,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-06-14 00:03:02,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:03:02,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 00:03:02,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 00:03:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 00:03:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 00:03:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 00:03:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 00:03:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:03:03,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 00:03:03,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 00:03:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 00:03:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 00:03:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-14 00:03:03,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:03:03,396 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 00:03:03,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 00:03:03,397 INFO L82 PathProgramCache]: Analyzing trace with hash 985352246, now seen corresponding path program 6 times [2021-06-14 00:03:03,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 00:03:03,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104961445] [2021-06-14 00:03:03,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 00:03:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 00:03:11,335 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 52 [2021-06-14 00:03:11,625 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 47 [2021-06-14 00:03:11,892 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2021-06-14 00:03:12,306 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 62 [2021-06-14 00:03:12,903 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 56 [2021-06-14 00:03:13,027 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 204 [2021-06-14 00:03:13,501 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 68 [2021-06-14 00:03:14,085 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 75 [2021-06-14 00:03:14,742 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 72 [2021-06-14 00:03:14,847 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 274 [2021-06-14 00:03:15,688 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 63 [2021-06-14 00:03:16,304 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 315 [2021-06-14 00:03:17,098 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 330 [2021-06-14 00:03:18,183 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 64 [2021-06-14 00:03:19,426 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 59 [2021-06-14 00:03:19,699 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 35 [2021-06-14 00:03:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 165 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-14 00:03:20,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 00:03:20,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104961445] [2021-06-14 00:03:20,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104961445] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:03:20,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171444531] [2021-06-14 00:03:20,447 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:03:20,521 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-14 00:03:20,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 00:03:20,522 WARN L261 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-14 00:03:20,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 00:03:20,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2021-06-14 00:03:20,714 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:20,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:20,726 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:20,727 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:30 [2021-06-14 00:03:20,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:20,858 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-06-14 00:03:20,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 56 [2021-06-14 00:03:20,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:20,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:20,881 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:20,881 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:76 [2021-06-14 00:03:20,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:20,980 INFO L354 Elim1Store]: treesize reduction 39, result has 11.4 percent of original size [2021-06-14 00:03:20,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 52 [2021-06-14 00:03:20,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:20,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:20,999 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:20,999 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:91 [2021-06-14 00:03:21,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2021-06-14 00:03:21,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:21,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:21,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:21,103 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2021-06-14 00:03:21,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,204 INFO L354 Elim1Store]: treesize reduction 88, result has 14.6 percent of original size [2021-06-14 00:03:21,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 72 [2021-06-14 00:03:21,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:21,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:21,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:21,239 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:122, output treesize:121 [2021-06-14 00:03:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,381 INFO L354 Elim1Store]: treesize reduction 82, result has 13.7 percent of original size [2021-06-14 00:03:21,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 74 [2021-06-14 00:03:21,383 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:21,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:21,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:21,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:107, output treesize:106 [2021-06-14 00:03:21,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-06-14 00:03:21,519 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:21,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:21,550 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:21,550 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:124, output treesize:123 [2021-06-14 00:03:21,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,706 INFO L354 Elim1Store]: treesize reduction 138, result has 10.4 percent of original size [2021-06-14 00:03:21,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 80 treesize of output 94 [2021-06-14 00:03:21,712 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:21,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:21,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:21,761 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:141, output treesize:140 [2021-06-14 00:03:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:21,967 INFO L354 Elim1Store]: treesize reduction 156, result has 11.4 percent of original size [2021-06-14 00:03:21,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 91 treesize of output 108 [2021-06-14 00:03:21,970 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:22,007 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:22,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:22,008 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:152, output treesize:151 [2021-06-14 00:03:22,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2021-06-14 00:03:22,270 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:22,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:22,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:22,327 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2021-06-14 00:03:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,595 INFO L354 Elim1Store]: treesize reduction 224, result has 8.6 percent of original size [2021-06-14 00:03:22,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 108 treesize of output 128 [2021-06-14 00:03:22,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:22,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:22,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:22,673 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:178 [2021-06-14 00:03:22,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:22,955 INFO L354 Elim1Store]: treesize reduction 250, result has 9.7 percent of original size [2021-06-14 00:03:22,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 119 treesize of output 142 [2021-06-14 00:03:22,961 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:23,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:23,037 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:23,037 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2021-06-14 00:03:23,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 82 [2021-06-14 00:03:23,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:23,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:23,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:23,411 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:201, output treesize:200 [2021-06-14 00:03:23,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:23,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:23,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:23,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:23,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:23,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:23,747 INFO L354 Elim1Store]: treesize reduction 288, result has 8.6 percent of original size [2021-06-14 00:03:23,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 130 treesize of output 156 [2021-06-14 00:03:23,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:23,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:23,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:23,821 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:212, output treesize:211 [2021-06-14 00:03:24,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2021-06-14 00:03:24,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:24,081 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:24,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:24,083 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:223, output treesize:222 [2021-06-14 00:03:24,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:24,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 170 [2021-06-14 00:03:24,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:24,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:24,593 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:24,593 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:237, output treesize:236 [2021-06-14 00:03:24,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 110 [2021-06-14 00:03:24,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:24,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:24,913 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 00:03:24,913 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:248, output treesize:247 [2021-06-14 00:03:25,421 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-14 00:03:25,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:25,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:25,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:25,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:25,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:25,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:25,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:25,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:25,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 130 [2021-06-14 00:03:25,485 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:25,626 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-06-14 00:03:25,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:25,630 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-14 00:03:25,630 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:265, output treesize:264 [2021-06-14 00:03:25,938 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-06-14 00:03:25,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 138 [2021-06-14 00:03:25,970 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:26,080 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-14 00:03:26,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:26,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-14 00:03:26,093 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:270, output treesize:269 [2021-06-14 00:03:26,393 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-14 00:03:26,603 INFO L446 ElimStorePlain]: Different costs {0=[v_C1_19], 50=[A, B]} [2021-06-14 00:03:26,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 152 [2021-06-14 00:03:26,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:26,744 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-14 00:03:26,745 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 00:03:26,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 00:03:26,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 00:03:26,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 00:03:26,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 211 [2021-06-14 00:03:26,785 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:26,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:26,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 00:03:26,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 00:03:26,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 00:03:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 00:03:26,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 00:03:26,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 51 [2021-06-14 00:03:26,834 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 00:03:26,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 00:03:26,862 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-14 00:03:26,862 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:281, output treesize:103 [2021-06-14 00:03:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 00:03:27,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171444531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 00:03:27,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 00:03:27,150 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31] total 58 [2021-06-14 00:03:27,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194650372] [2021-06-14 00:03:27,150 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-14 00:03:27,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 00:03:27,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-14 00:03:27,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=3061, Unknown=0, NotChecked=0, Total=3306 [2021-06-14 00:03:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:03:27,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 00:03:27,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 2.103448275862069) internal successors, (122), 58 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 00:03:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 00:03:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 00:03:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 00:03:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 00:03:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-14 00:03:27,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 00:03:29,775 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 64 [2021-06-14 00:03:30,081 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2021-06-14 00:03:30,362 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-06-14 00:03:30,783 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-06-14 00:03:31,300 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 75 [2021-06-14 00:03:31,835 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2021-06-14 00:03:32,082 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2021-06-14 00:03:32,333 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 80 [2021-06-14 00:03:32,731 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 89 [2021-06-14 00:03:33,069 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2021-06-14 00:03:33,463 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 88 [2021-06-14 00:03:33,906 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2021-06-14 00:03:34,288 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 91 [2021-06-14 00:03:34,924 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 97 [2021-06-14 00:03:35,685 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 100 [2021-06-14 00:03:36,558 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 95 [2021-06-14 00:03:37,684 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 116 [2021-06-14 00:03:38,147 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2021-06-14 00:03:38,540 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 115 [2021-06-14 00:03:39,487 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 109 [2021-06-14 00:03:40,375 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 128 [2021-06-14 00:03:40,685 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 104 [2021-06-14 00:03:42,275 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 178 DAG size of output: 141 [2021-06-14 00:03:43,882 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 147 [2021-06-14 00:03:45,372 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 198 DAG size of output: 122 [2021-06-14 00:03:47,040 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 122 [2021-06-14 00:03:49,397 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 182 DAG size of output: 145 [2021-06-14 00:03:49,841 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-14 00:03:51,281 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 200 DAG size of output: 133 [2021-06-14 00:03:51,877 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2021-06-14 00:03:53,249 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 111 [2021-06-14 00:03:53,938 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2021-06-14 00:03:54,271 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-06-14 00:03:54,865 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 88 [2021-06-14 00:03:55,147 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-14 00:03:55,681 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-06-14 00:03:56,179 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-06-14 00:03:56,570 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2021-06-14 00:03:57,140 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2021-06-14 00:03:57,674 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 88 [2021-06-14 00:03:58,268 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-06-14 00:03:58,809 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 102 [2021-06-14 00:03:59,352 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2021-06-14 00:03:59,592 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 53 [2021-06-14 00:04:00,514 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-14 00:04:00,916 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-06-14 00:04:01,387 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2021-06-14 00:04:01,629 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2021-06-14 00:04:02,030 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2021-06-14 00:04:02,541 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-14 00:04:03,022 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-06-14 00:04:03,828 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2021-06-14 00:04:04,308 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-06-14 00:04:04,910 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-14 00:04:05,468 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-06-14 00:04:05,725 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-06-14 00:04:06,226 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-06-14 00:04:06,658 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 84 [2021-06-14 00:04:06,979 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-06-14 00:04:07,549 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 94 [2021-06-14 00:04:07,946 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-06-14 00:04:08,462 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-14 00:04:10,053 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 141 [2021-06-14 00:04:11,445 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 112 [2021-06-14 00:04:12,581 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 110 [2021-06-14 00:04:13,457 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 88 [2021-06-14 00:04:14,759 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 126 [2021-06-14 00:04:16,519 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 195 DAG size of output: 134 [2021-06-14 00:04:17,650 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 114 [2021-06-14 00:04:19,162 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 200 DAG size of output: 123 [2021-06-14 00:04:20,475 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 128 [2021-06-14 00:04:22,297 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 132 [2021-06-14 00:04:24,640 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 204 DAG size of output: 140 [2021-06-14 00:04:26,109 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 120 [2021-06-14 00:04:28,099 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 208 DAG size of output: 129 [2021-06-14 00:04:29,129 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 108 [2021-06-14 00:04:30,594 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 94 [2021-06-14 00:04:30,887 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 88 [2021-06-14 00:04:32,758 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 60 [2021-06-14 00:04:33,405 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2021-06-14 00:04:35,360 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 188 DAG size of output: 114 [2021-06-14 00:04:36,395 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 131 [2021-06-14 00:04:37,694 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 108 [2021-06-14 00:04:39,078 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 194 DAG size of output: 111 [2021-06-14 00:04:40,583 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 93 [2021-06-14 00:04:41,501 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 111 [2021-06-14 00:04:42,098 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2021-06-14 00:04:46,858 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-06-14 00:04:47,297 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-06-14 00:04:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 00:04:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 00:04:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-14 00:04:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-06-14 00:04:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-14 00:04:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-06-14 00:04:48,123 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 00:04:48,128 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 00:04:48,130 INFO L202 PluginConnector]: Adding new model vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 12:04:48 BasicIcfg [2021-06-14 00:04:48,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 00:04:48,130 INFO L168 Benchmark]: Toolchain (without parser) took 111170.81 ms. Allocated memory was 175.1 MB in the beginning and 854.6 MB in the end (delta: 679.5 MB). Free memory was 155.1 MB in the beginning and 775.9 MB in the end (delta: -620.8 MB). Peak memory consumption was 539.5 MB. Max. memory is 8.0 GB. [2021-06-14 00:04:48,130 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 175.1 MB. Free memory is still 156.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 00:04:48,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.52 ms. Allocated memory is still 175.1 MB. Free memory was 154.9 MB in the beginning and 153.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 00:04:48,131 INFO L168 Benchmark]: Boogie Preprocessor took 36.02 ms. Allocated memory is still 175.1 MB. Free memory was 153.6 MB in the beginning and 152.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 00:04:48,131 INFO L168 Benchmark]: RCFGBuilder took 300.68 ms. Allocated memory is still 175.1 MB. Free memory was 152.5 MB in the beginning and 139.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-14 00:04:48,131 INFO L168 Benchmark]: TraceAbstraction took 110781.51 ms. Allocated memory was 175.1 MB in the beginning and 854.6 MB in the end (delta: 679.5 MB). Free memory was 138.9 MB in the beginning and 775.9 MB in the end (delta: -637.0 MB). Peak memory consumption was 523.8 MB. Max. memory is 8.0 GB. [2021-06-14 00:04:48,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 175.1 MB. Free memory is still 156.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.52 ms. Allocated memory is still 175.1 MB. Free memory was 154.9 MB in the beginning and 153.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.02 ms. Allocated memory is still 175.1 MB. Free memory was 153.6 MB in the beginning and 152.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 300.68 ms. Allocated memory is still 175.1 MB. Free memory was 152.5 MB in the beginning and 139.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 110781.51 ms. Allocated memory was 175.1 MB in the beginning and 854.6 MB in the end (delta: 679.5 MB). Free memory was 138.9 MB in the beginning and 775.9 MB in the end (delta: -637.0 MB). Peak memory consumption was 523.8 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: 21958, positive: 19588, positive conditional: 19588, positive unconditional: 0, negative: 2370, negative conditional: 2370, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 19588, positive: 19588, positive conditional: 19588, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 19588, positive: 19588, positive conditional: 0, positive unconditional: 19588, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 140, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 140, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19588, positive: 19448, positive conditional: 0, positive unconditional: 19448, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 140, unknown conditional: 0, unknown unconditional: 140] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 2370 - PositiveResult [Line: 67]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 43 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 110701.8ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 83236.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 419, 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: 65.7ms SsaConstructionTime, 463.2ms SatisfiabilityAnalysisTime, 25245.1ms InterpolantComputationTime, 528 NumberOfCodeBlocks, 528 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 516 ConstructedInterpolants, 13 QuantifiedInterpolants, 16016 SizeOfPredicates, 24 NumberOfNonLiveVariables, 558 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 175/858 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...